aa9b62f275
Signed-off-by: 商讯在线 <swhbox@foxmail.com>
3151 lines
86 KiB
Go
3151 lines
86 KiB
Go
package xorm
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import (
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"database/sql"
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"encoding/json"
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"errors"
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"fmt"
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"reflect"
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"strconv"
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"strings"
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"time"
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)
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// Struct Session keep a pointer to sql.DB and provides all execution of all
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// kind of database operations.
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type Session struct {
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Db *sql.DB
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Engine *Engine
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Tx *sql.Tx
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Statement Statement
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IsAutoCommit bool
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IsCommitedOrRollbacked bool
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TransType string
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IsAutoClose bool
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// !nashtsai! storing these beans due to yet committed tx
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afterInsertBeans map[interface{}]*[]func(interface{})
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afterUpdateBeans map[interface{}]*[]func(interface{})
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afterDeleteBeans map[interface{}]*[]func(interface{})
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// --
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beforeClosures []func(interface{})
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afterClosures []func(interface{})
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}
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// Method Init reset the session as the init status.
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func (session *Session) Init() {
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session.Statement = Statement{Engine: session.Engine}
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session.Statement.Init()
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session.IsAutoCommit = true
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session.IsCommitedOrRollbacked = false
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session.IsAutoClose = false
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// !nashtsai! is lazy init better?
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session.afterInsertBeans = make(map[interface{}]*[]func(interface{}), 0)
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session.afterUpdateBeans = make(map[interface{}]*[]func(interface{}), 0)
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session.afterDeleteBeans = make(map[interface{}]*[]func(interface{}), 0)
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session.beforeClosures = make([]func(interface{}), 0)
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session.afterClosures = make([]func(interface{}), 0)
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}
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// Method Close release the connection from pool
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func (session *Session) Close() {
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defer func() {
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if session.Db != nil {
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session.Engine.Pool.ReleaseDB(session.Engine, session.Db)
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session.Db = nil
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session.Tx = nil
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session.Init()
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}
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}()
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}
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// Method Sql provides raw sql input parameter. When you have a complex SQL statement
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// and cannot use Where, Id, In and etc. Methods to describe, you can use Sql.
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func (session *Session) Sql(querystring string, args ...interface{}) *Session {
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session.Statement.Sql(querystring, args...)
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return session
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}
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// Method Where provides custom query condition.
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func (session *Session) Where(querystring string, args ...interface{}) *Session {
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session.Statement.Where(querystring, args...)
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return session
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}
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// Method Where provides custom query condition.
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func (session *Session) And(querystring string, args ...interface{}) *Session {
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session.Statement.And(querystring, args...)
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return session
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}
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// Method Where provides custom query condition.
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func (session *Session) Or(querystring string, args ...interface{}) *Session {
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session.Statement.Or(querystring, args...)
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return session
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}
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// Method Id provides converting id as a query condition
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func (session *Session) Id(id interface{}) *Session {
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session.Statement.Id(id)
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return session
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}
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// Apply before Processor, affected bean is passed to closure arg
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func (session *Session) Before(closures func(interface{})) *Session {
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if closures != nil {
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session.beforeClosures = append(session.beforeClosures, closures)
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}
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return session
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}
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// Apply after Processor, affected bean is passed to closure arg
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func (session *Session) After(closures func(interface{})) *Session {
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if closures != nil {
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session.afterClosures = append(session.afterClosures, closures)
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}
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return session
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}
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// Method Table can input a string or pointer to struct for special a table to operate.
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func (session *Session) Table(tableNameOrBean interface{}) *Session {
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session.Statement.Table(tableNameOrBean)
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return session
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}
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// Method In provides a query string like "id in (1, 2, 3)"
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func (session *Session) In(column string, args ...interface{}) *Session {
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session.Statement.In(column, args...)
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return session
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}
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// Method Cols provides some columns to special
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func (session *Session) Cols(columns ...string) *Session {
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session.Statement.Cols(columns...)
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return session
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}
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func (session *Session) AllCols() *Session {
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session.Statement.AllCols()
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return session
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}
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func (session *Session) MustCols(columns ...string) *Session {
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session.Statement.MustCols(columns...)
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return session
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}
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func (session *Session) NoCascade() *Session {
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session.Statement.UseCascade = false
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return session
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}
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/*
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func (session *Session) MustCols(columns ...string) *Session {
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session.Statement.Must()
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}*/
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// Xorm automatically retrieve condition according struct, but
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// if struct has bool field, it will ignore them. So use UseBool
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// to tell system to do not ignore them.
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// If no paramters, it will use all the bool field of struct, or
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// it will use paramters's columns
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func (session *Session) UseBool(columns ...string) *Session {
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session.Statement.UseBool(columns...)
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return session
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}
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// use for distinct columns. Caution: when you are using cache,
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// distinct will not be cached because cache system need id,
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// but distinct will not provide id
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func (session *Session) Distinct(columns ...string) *Session {
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session.Statement.Distinct(columns...)
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return session
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}
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// Only not use the paramters as select or update columns
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func (session *Session) Omit(columns ...string) *Session {
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session.Statement.Omit(columns...)
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return session
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}
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// Method NoAutoTime means do not automatically give created field and updated field
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// the current time on the current session temporarily
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func (session *Session) NoAutoTime() *Session {
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session.Statement.UseAutoTime = false
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return session
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}
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// Method Limit provide limit and offset query condition
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func (session *Session) Limit(limit int, start ...int) *Session {
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session.Statement.Limit(limit, start...)
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return session
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}
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// Method OrderBy provide order by query condition, the input parameter is the content
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// after order by on a sql statement.
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func (session *Session) OrderBy(order string) *Session {
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session.Statement.OrderBy(order)
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return session
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}
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// Method Desc provide desc order by query condition, the input parameters are columns.
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func (session *Session) Desc(colNames ...string) *Session {
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if session.Statement.OrderStr != "" {
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session.Statement.OrderStr += ", "
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}
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newColNames := col2NewCols(colNames...)
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sqlStr := strings.Join(newColNames, session.Engine.Quote(" DESC, "))
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session.Statement.OrderStr += session.Engine.Quote(sqlStr) + " DESC"
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return session
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}
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// Method Asc provide asc order by query condition, the input parameters are columns.
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func (session *Session) Asc(colNames ...string) *Session {
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if session.Statement.OrderStr != "" {
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session.Statement.OrderStr += ", "
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}
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newColNames := col2NewCols(colNames...)
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sqlStr := strings.Join(newColNames, session.Engine.Quote(" ASC, "))
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session.Statement.OrderStr += session.Engine.Quote(sqlStr) + " ASC"
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return session
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}
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// Method StoreEngine is only avialble mysql dialect currently
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func (session *Session) StoreEngine(storeEngine string) *Session {
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session.Statement.StoreEngine = storeEngine
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return session
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}
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// Method StoreEngine is only avialble charset dialect currently
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func (session *Session) Charset(charset string) *Session {
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session.Statement.Charset = charset
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return session
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}
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// Method Cascade indicates if loading sub Struct
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func (session *Session) Cascade(trueOrFalse ...bool) *Session {
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if len(trueOrFalse) >= 1 {
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session.Statement.UseCascade = trueOrFalse[0]
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}
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return session
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}
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// Method NoCache ask this session do not retrieve data from cache system and
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// get data from database directly.
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func (session *Session) NoCache() *Session {
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session.Statement.UseCache = false
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return session
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}
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//The join_operator should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
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func (session *Session) Join(join_operator, tablename, condition string) *Session {
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session.Statement.Join(join_operator, tablename, condition)
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return session
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}
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// Generate Group By statement
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func (session *Session) GroupBy(keys string) *Session {
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session.Statement.GroupBy(keys)
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return session
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}
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// Generate Having statement
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func (session *Session) Having(conditions string) *Session {
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session.Statement.Having(conditions)
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return session
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}
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func (session *Session) newDb() error {
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if session.Db == nil {
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db, err := session.Engine.Pool.RetrieveDB(session.Engine)
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if err != nil {
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return err
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}
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session.Db = db
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}
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return nil
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}
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// Begin a transaction
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func (session *Session) Begin() error {
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err := session.newDb()
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if err != nil {
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return err
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}
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if session.IsAutoCommit {
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tx, err := session.Db.Begin()
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if err != nil {
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return err
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}
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session.IsAutoCommit = false
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session.IsCommitedOrRollbacked = false
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session.Tx = tx
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session.Engine.LogSQL("BEGIN TRANSACTION")
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}
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return nil
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}
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// When using transaction, you can rollback if any error
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func (session *Session) Rollback() error {
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if !session.IsAutoCommit && !session.IsCommitedOrRollbacked {
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session.Engine.LogSQL(session.Engine.dialect.RollBackStr())
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session.IsCommitedOrRollbacked = true
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return session.Tx.Rollback()
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}
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return nil
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}
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// When using transaction, Commit will commit all operations.
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func (session *Session) Commit() error {
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if !session.IsAutoCommit && !session.IsCommitedOrRollbacked {
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session.Engine.LogSQL("COMMIT")
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session.IsCommitedOrRollbacked = true
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var err error
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if err = session.Tx.Commit(); err == nil {
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// handle processors after tx committed
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closureCallFunc := func(closuresPtr *[]func(interface{}), bean interface{}) {
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if closuresPtr != nil {
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for _, closure := range *closuresPtr {
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closure(bean)
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}
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}
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}
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for bean, closuresPtr := range session.afterInsertBeans {
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closureCallFunc(closuresPtr, bean)
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if processor, ok := interface{}(bean).(AfterInsertProcessor); ok {
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processor.AfterInsert()
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}
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}
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for bean, closuresPtr := range session.afterUpdateBeans {
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closureCallFunc(closuresPtr, bean)
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if processor, ok := interface{}(bean).(AfterUpdateProcessor); ok {
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processor.AfterUpdate()
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}
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}
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for bean, closuresPtr := range session.afterDeleteBeans {
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closureCallFunc(closuresPtr, bean)
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if processor, ok := interface{}(bean).(AfterDeleteProcessor); ok {
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processor.AfterDelete()
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}
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}
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cleanUpFunc := func(slices *map[interface{}]*[]func(interface{})) {
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if len(*slices) > 0 {
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*slices = make(map[interface{}]*[]func(interface{}), 0)
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}
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}
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cleanUpFunc(&session.afterInsertBeans)
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cleanUpFunc(&session.afterUpdateBeans)
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cleanUpFunc(&session.afterDeleteBeans)
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}
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return err
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}
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return nil
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}
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func cleanupProcessorsClosures(slices *[]func(interface{})) {
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if len(*slices) > 0 {
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*slices = make([]func(interface{}), 0)
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}
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}
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func (session *Session) scanMapIntoStruct(obj interface{}, objMap map[string][]byte) error {
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dataStruct := rValue(obj)
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if dataStruct.Kind() != reflect.Struct {
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return errors.New("Expected a pointer to a struct")
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}
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table := session.Engine.autoMapType(dataStruct)
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for key, data := range objMap {
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key = strings.ToLower(key)
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var col *Column
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var ok bool
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if col, ok = table.Columns[key]; !ok {
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session.Engine.LogWarn(fmt.Sprintf("table %v's has not column %v. %v", table.Name, key, table.ColumnsSeq))
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continue
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}
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fieldName := col.FieldName
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fieldPath := strings.Split(fieldName, ".")
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var fieldValue reflect.Value
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if len(fieldPath) > 2 {
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session.Engine.LogError("Unsupported mutliderive", fieldName)
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continue
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} else if len(fieldPath) == 2 {
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parentField := dataStruct.FieldByName(fieldPath[0])
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if parentField.IsValid() {
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fieldValue = parentField.FieldByName(fieldPath[1])
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}
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} else {
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fieldValue = dataStruct.FieldByName(fieldName)
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}
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if !fieldValue.IsValid() || !fieldValue.CanSet() {
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session.Engine.LogWarn("table %v's column %v is not valid or cannot set",
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table.Name, key)
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continue
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}
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err := session.bytes2Value(col, &fieldValue, data)
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if err != nil {
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return err
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}
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}
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return nil
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}
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//Execute sql
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func (session *Session) innerExec(sqlStr string, args ...interface{}) (sql.Result, error) {
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rs, err := session.Db.Prepare(sqlStr)
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if err != nil {
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return nil, err
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}
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defer rs.Close()
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res, err := rs.Exec(args...)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, error) {
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for _, filter := range session.Engine.Filters {
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sqlStr = filter.Do(sqlStr, session)
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}
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session.Engine.LogSQL(sqlStr)
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session.Engine.LogSQL(args)
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if session.IsAutoCommit {
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return session.innerExec(sqlStr, args...)
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}
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return session.Tx.Exec(sqlStr, args...)
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}
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// Exec raw sql
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func (session *Session) Exec(sqlStr string, args ...interface{}) (sql.Result, error) {
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err := session.newDb()
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if err != nil {
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return nil, err
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}
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defer session.Statement.Init()
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if session.IsAutoClose {
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defer session.Close()
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}
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return session.exec(sqlStr, args...)
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}
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// this function create a table according a bean
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func (session *Session) CreateTable(bean interface{}) error {
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session.Statement.RefTable = session.Engine.autoMap(bean)
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err := session.newDb()
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if err != nil {
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return err
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}
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defer session.Statement.Init()
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if session.IsAutoClose {
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defer session.Close()
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}
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return session.createOneTable()
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}
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// create indexes
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func (session *Session) CreateIndexes(bean interface{}) error {
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session.Statement.RefTable = session.Engine.autoMap(bean)
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err := session.newDb()
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if err != nil {
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return err
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}
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defer session.Statement.Init()
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if session.IsAutoClose {
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defer session.Close()
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}
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sqls := session.Statement.genIndexSQL()
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for _, sqlStr := range sqls {
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_, err = session.exec(sqlStr)
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if err != nil {
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return err
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}
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}
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return nil
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}
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|
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// create uniques
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func (session *Session) CreateUniques(bean interface{}) error {
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session.Statement.RefTable = session.Engine.autoMap(bean)
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err := session.newDb()
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if err != nil {
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return err
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}
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defer session.Statement.Init()
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if session.IsAutoClose {
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defer session.Close()
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}
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sqls := session.Statement.genUniqueSQL()
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for _, sqlStr := range sqls {
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_, err = session.exec(sqlStr)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (session *Session) createOneTable() error {
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sqlStr := session.Statement.genCreateTableSQL()
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session.Engine.LogDebug("create table sql: [", sqlStr, "]")
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_, err := session.exec(sqlStr)
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return err
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}
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// to be deleted
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func (session *Session) createAll() error {
|
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err := session.newDb()
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if err != nil {
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return err
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}
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defer session.Statement.Init()
|
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if session.IsAutoClose {
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defer session.Close()
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}
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|
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for _, table := range session.Engine.Tables {
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session.Statement.RefTable = table
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err := session.createOneTable()
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if err != nil {
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return err
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}
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}
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return nil
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}
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|
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// drop indexes
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func (session *Session) DropIndexes(bean interface{}) error {
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err := session.newDb()
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if err != nil {
|
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return err
|
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}
|
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defer session.Statement.Init()
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if session.IsAutoClose {
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defer session.Close()
|
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}
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|
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sqls := session.Statement.genDelIndexSQL()
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for _, sqlStr := range sqls {
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_, err = session.exec(sqlStr)
|
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if err != nil {
|
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return err
|
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}
|
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}
|
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return nil
|
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}
|
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|
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// DropTable drop a table and all indexes of the table
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func (session *Session) DropTable(bean interface{}) error {
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err := session.newDb()
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if err != nil {
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return err
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}
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defer session.Statement.Init()
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if session.IsAutoClose {
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defer session.Close()
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}
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|
|
t := reflect.Indirect(reflect.ValueOf(bean)).Type()
|
|
defer session.Statement.Init()
|
|
if t.Kind() == reflect.String {
|
|
session.Statement.AltTableName = bean.(string)
|
|
} else if t.Kind() == reflect.Struct {
|
|
session.Statement.RefTable = session.Engine.autoMap(bean)
|
|
} else {
|
|
return errors.New("Unsupported type")
|
|
}
|
|
|
|
sqlStr := session.Statement.genDropSQL()
|
|
_, err = session.exec(sqlStr)
|
|
return err
|
|
}
|
|
|
|
func (statement *Statement) convertIdSql(sqlStr string) string {
|
|
if statement.RefTable != nil {
|
|
col := statement.RefTable.PKColumns()[0]
|
|
if col != nil {
|
|
sqls := splitNNoCase(sqlStr, "from", 2)
|
|
if len(sqls) != 2 {
|
|
return ""
|
|
}
|
|
newsql := fmt.Sprintf("SELECT %v.%v FROM %v", statement.Engine.Quote(statement.TableName()),
|
|
statement.Engine.Quote(col.Name), sqls[1])
|
|
return newsql
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (session *Session) cacheGet(bean interface{}, sqlStr string, args ...interface{}) (has bool, err error) {
|
|
// if has no reftable or number of pks is not equal to 1, then don't use cache currently
|
|
if session.Statement.RefTable == nil || len(session.Statement.RefTable.PrimaryKeys) != 1 {
|
|
return false, ErrCacheFailed
|
|
}
|
|
for _, filter := range session.Engine.Filters {
|
|
sqlStr = filter.Do(sqlStr, session)
|
|
}
|
|
newsql := session.Statement.convertIdSql(sqlStr)
|
|
if newsql == "" {
|
|
return false, ErrCacheFailed
|
|
}
|
|
|
|
cacher := session.Statement.RefTable.Cacher
|
|
tableName := session.Statement.TableName()
|
|
session.Engine.LogDebug("[xorm:cacheGet] find sql:", newsql, args)
|
|
ids, err := getCacheSql(cacher, tableName, newsql, args)
|
|
if err != nil {
|
|
resultsSlice, err := session.query(newsql, args...)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheGet] query ids:", resultsSlice)
|
|
ids = make([]int64, 0)
|
|
if len(resultsSlice) > 0 {
|
|
data := resultsSlice[0]
|
|
var id int64
|
|
if v, ok := data[session.Statement.RefTable.PrimaryKeys[0]]; !ok {
|
|
return false, ErrCacheFailed
|
|
} else {
|
|
id, err = strconv.ParseInt(string(v), 10, 64)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
}
|
|
ids = append(ids, id)
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheGet] cache ids:", newsql, ids)
|
|
err = putCacheSql(cacher, ids, tableName, newsql, args)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
} else {
|
|
session.Engine.LogDebug("[xorm:cacheGet] cached sql:", newsql)
|
|
}
|
|
|
|
if len(ids) > 0 {
|
|
structValue := reflect.Indirect(reflect.ValueOf(bean))
|
|
id := ids[0]
|
|
session.Engine.LogDebug("[xorm:cacheGet] get bean:", tableName, id)
|
|
cacheBean := cacher.GetBean(tableName, id)
|
|
if cacheBean == nil {
|
|
newSession := session.Engine.NewSession()
|
|
defer newSession.Close()
|
|
cacheBean = reflect.New(structValue.Type()).Interface()
|
|
newSession.Id(id).NoCache()
|
|
if session.Statement.AltTableName != "" {
|
|
newSession.Table(session.Statement.AltTableName)
|
|
}
|
|
if !session.Statement.UseCascade {
|
|
newSession.NoCascade()
|
|
}
|
|
has, err = newSession.Get(cacheBean)
|
|
if err != nil || !has {
|
|
return has, err
|
|
}
|
|
|
|
session.Engine.LogDebug("[xorm:cacheGet] cache bean:", tableName, id, cacheBean)
|
|
cacher.PutBean(tableName, id, cacheBean)
|
|
} else {
|
|
session.Engine.LogDebug("[xorm:cacheGet] cached bean:", tableName, id, cacheBean)
|
|
has = true
|
|
}
|
|
structValue.Set(reflect.Indirect(reflect.ValueOf(cacheBean)))
|
|
|
|
return has, nil
|
|
}
|
|
return false, nil
|
|
}
|
|
|
|
func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr interface{}, args ...interface{}) (err error) {
|
|
if session.Statement.RefTable == nil ||
|
|
len(session.Statement.RefTable.PrimaryKeys) != 1 ||
|
|
indexNoCase(sqlStr, "having") != -1 ||
|
|
indexNoCase(sqlStr, "group by") != -1 {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
for _, filter := range session.Engine.Filters {
|
|
sqlStr = filter.Do(sqlStr, session)
|
|
}
|
|
|
|
newsql := session.Statement.convertIdSql(sqlStr)
|
|
if newsql == "" {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
table := session.Statement.RefTable
|
|
cacher := table.Cacher
|
|
ids, err := getCacheSql(cacher, session.Statement.TableName(), newsql, args)
|
|
if err != nil {
|
|
//session.Engine.LogError(err)
|
|
resultsSlice, err := session.query(newsql, args...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// 查询数目太大,采用缓存将不是一个很好的方式。
|
|
if len(resultsSlice) > 500 {
|
|
session.Engine.LogDebug("[xorm:cacheFind] ids length %v > 500, no cache", len(resultsSlice))
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
tableName := session.Statement.TableName()
|
|
ids = make([]int64, 0)
|
|
if len(resultsSlice) > 0 {
|
|
for _, data := range resultsSlice {
|
|
//fmt.Println(data)
|
|
var id int64
|
|
if v, ok := data[session.Statement.RefTable.PrimaryKeys[0]]; !ok {
|
|
return errors.New("no id")
|
|
} else {
|
|
id, err = strconv.ParseInt(string(v), 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
ids = append(ids, id)
|
|
}
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheFind] cache ids:", ids, tableName, newsql, args)
|
|
err = putCacheSql(cacher, ids, tableName, newsql, args)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
session.Engine.LogDebug("[xorm:cacheFind] cached sql:", newsql, args)
|
|
}
|
|
|
|
sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
|
|
pkFieldName := session.Statement.RefTable.PKColumns()[0].FieldName
|
|
|
|
ididxes := make(map[int64]int)
|
|
var ides []interface{} = make([]interface{}, 0)
|
|
var temps []interface{} = make([]interface{}, len(ids))
|
|
tableName := session.Statement.TableName()
|
|
for idx, id := range ids {
|
|
bean := cacher.GetBean(tableName, id)
|
|
if bean == nil {
|
|
ides = append(ides, id)
|
|
ididxes[id] = idx
|
|
} else {
|
|
session.Engine.LogDebug("[xorm:cacheFind] cached bean:", tableName, id, bean)
|
|
|
|
pkField := reflect.Indirect(reflect.ValueOf(bean)).FieldByName(pkFieldName)
|
|
|
|
var sid int64
|
|
switch pkField.Type().Kind() {
|
|
case reflect.Int32, reflect.Int, reflect.Int64:
|
|
sid = pkField.Int()
|
|
case reflect.Uint, reflect.Uint32, reflect.Uint64:
|
|
sid = int64(pkField.Uint())
|
|
default:
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
if sid != id {
|
|
session.Engine.LogError("[xorm:cacheFind] error cache", id, sid, bean)
|
|
return ErrCacheFailed
|
|
}
|
|
temps[idx] = bean
|
|
}
|
|
}
|
|
|
|
if len(ides) > 0 {
|
|
newSession := session.Engine.NewSession()
|
|
defer newSession.Close()
|
|
|
|
slices := reflect.New(reflect.SliceOf(t))
|
|
beans := slices.Interface()
|
|
//beans := reflect.New(sliceValue.Type()).Interface()
|
|
//err = newSession.In("(id)", ides...).OrderBy(session.Statement.OrderStr).NoCache().Find(beans)
|
|
err = newSession.In("(id)", ides...).NoCache().Find(beans)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
vs := reflect.Indirect(reflect.ValueOf(beans))
|
|
for i := 0; i < vs.Len(); i++ {
|
|
rv := vs.Index(i)
|
|
if rv.Kind() != reflect.Ptr {
|
|
rv = rv.Addr()
|
|
}
|
|
bean := rv.Interface()
|
|
id := reflect.Indirect(reflect.ValueOf(bean)).FieldByName(pkFieldName).Int()
|
|
//bean := vs.Index(i).Addr().Interface()
|
|
temps[ididxes[id]] = bean
|
|
//temps[idxes[i]] = bean
|
|
session.Engine.LogDebug("[xorm:cacheFind] cache bean:", tableName, id, bean)
|
|
cacher.PutBean(tableName, id, bean)
|
|
}
|
|
}
|
|
|
|
for j := 0; j < len(temps); j++ {
|
|
bean := temps[j]
|
|
if bean == nil {
|
|
session.Engine.LogError("[xorm:cacheFind] cache error:", tableName, ides[j], bean)
|
|
return errors.New("cache error")
|
|
}
|
|
if sliceValue.Kind() == reflect.Slice {
|
|
if t.Kind() == reflect.Ptr {
|
|
sliceValue.Set(reflect.Append(sliceValue, reflect.ValueOf(bean)))
|
|
} else {
|
|
sliceValue.Set(reflect.Append(sliceValue, reflect.Indirect(reflect.ValueOf(bean))))
|
|
}
|
|
} else if sliceValue.Kind() == reflect.Map {
|
|
var key int64
|
|
if table.PrimaryKeys[0] != "" {
|
|
key = ids[j]
|
|
} else {
|
|
key = int64(j)
|
|
}
|
|
if t.Kind() == reflect.Ptr {
|
|
sliceValue.SetMapIndex(reflect.ValueOf(key), reflect.ValueOf(bean))
|
|
} else {
|
|
sliceValue.SetMapIndex(reflect.ValueOf(key), reflect.Indirect(reflect.ValueOf(bean)))
|
|
}
|
|
}
|
|
/*} else {
|
|
session.Engine.LogDebug("[xorm:cacheFind] cache delete:", tableName, ides[j])
|
|
cacher.DelBean(tableName, ids[j])
|
|
|
|
session.Engine.LogDebug("[xorm:cacheFind] cache clear:", tableName)
|
|
cacher.ClearIds(tableName)
|
|
}*/
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// IterFunc only use by Iterate
|
|
type IterFunc func(idx int, bean interface{}) error
|
|
|
|
// Return sql.Rows compatible Rows obj, as a forward Iterator object for iterating record by record, bean's non-empty fields
|
|
// are conditions.
|
|
func (session *Session) Rows(bean interface{}) (*Rows, error) {
|
|
return newRows(session, bean)
|
|
}
|
|
|
|
// Iterate record by record handle records from table, condiBeans's non-empty fields
|
|
// are conditions. beans could be []Struct, []*Struct, map[int64]Struct
|
|
// map[int64]*Struct
|
|
func (session *Session) Iterate(bean interface{}, fun IterFunc) error {
|
|
|
|
rows, err := session.Rows(bean)
|
|
if err != nil {
|
|
return err
|
|
} else {
|
|
defer rows.Close()
|
|
//b := reflect.New(iterator.beanType).Interface()
|
|
i := 0
|
|
for rows.Next() {
|
|
b := reflect.New(rows.beanType).Interface()
|
|
err = rows.Scan(b)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = fun(i, b)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
i++
|
|
}
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// get retrieve one record from database, bean's non-empty fields
|
|
// will be as conditions
|
|
func (session *Session) Get(bean interface{}) (bool, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
session.Statement.Limit(1)
|
|
var sqlStr string
|
|
var args []interface{}
|
|
session.Statement.RefTable = session.Engine.autoMap(bean)
|
|
|
|
if session.Statement.RawSQL == "" {
|
|
sqlStr, args = session.Statement.genGetSql(bean)
|
|
} else {
|
|
sqlStr = session.Statement.RawSQL
|
|
args = session.Statement.RawParams
|
|
}
|
|
|
|
if session.Statement.RefTable.Cacher != nil && session.Statement.UseCache {
|
|
has, err := session.cacheGet(bean, sqlStr, args...)
|
|
if err != ErrCacheFailed {
|
|
return has, err
|
|
}
|
|
}
|
|
|
|
var rawRows *sql.Rows
|
|
session.queryPreprocess(&sqlStr, args...)
|
|
if session.IsAutoCommit {
|
|
stmt, err := session.Db.Prepare(sqlStr)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer stmt.Close()
|
|
rawRows, err = stmt.Query(args...)
|
|
} else {
|
|
rawRows, err = session.Tx.Query(sqlStr, args...)
|
|
}
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
defer rawRows.Close()
|
|
|
|
if rawRows.Next() {
|
|
if fields, err := rawRows.Columns(); err == nil {
|
|
err = session.row2Bean(rawRows, fields, len(fields), bean)
|
|
}
|
|
return true, err
|
|
} else {
|
|
return false, nil
|
|
}
|
|
|
|
// resultsSlice, err := session.query(sqlStr, args...)
|
|
// if err != nil {
|
|
// return false, err
|
|
// }
|
|
// if len(resultsSlice) < 1 {
|
|
// return false, nil
|
|
// }
|
|
|
|
// err = session.scanMapIntoStruct(bean, resultsSlice[0])
|
|
// if err != nil {
|
|
// return true, err
|
|
// }
|
|
// if len(resultsSlice) == 1 {
|
|
// return true, nil
|
|
// } else {
|
|
// return true, errors.New("More than one record")
|
|
// }
|
|
}
|
|
|
|
// Count counts the records. bean's non-empty fields
|
|
// are conditions.
|
|
func (session *Session) Count(bean interface{}) (int64, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
var sqlStr string
|
|
var args []interface{}
|
|
if session.Statement.RawSQL == "" {
|
|
sqlStr, args = session.Statement.genCountSql(bean)
|
|
} else {
|
|
sqlStr = session.Statement.RawSQL
|
|
args = session.Statement.RawParams
|
|
}
|
|
|
|
resultsSlice, err := session.query(sqlStr, args...)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
var total int64 = 0
|
|
if len(resultsSlice) > 0 {
|
|
results := resultsSlice[0]
|
|
for _, value := range results {
|
|
total, err = strconv.ParseInt(string(value), 10, 64)
|
|
break
|
|
}
|
|
}
|
|
|
|
return int64(total), err
|
|
}
|
|
|
|
// Find retrieve records from table, condiBeans's non-empty fields
|
|
// are conditions. beans could be []Struct, []*Struct, map[int64]Struct
|
|
// map[int64]*Struct
|
|
func (session *Session) Find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
|
|
if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
|
|
return errors.New("needs a pointer to a slice or a map")
|
|
}
|
|
|
|
sliceElementType := sliceValue.Type().Elem()
|
|
var table *Table
|
|
if session.Statement.RefTable == nil {
|
|
if sliceElementType.Kind() == reflect.Ptr {
|
|
if sliceElementType.Elem().Kind() == reflect.Struct {
|
|
pv := reflect.New(sliceElementType.Elem())
|
|
table = session.Engine.autoMapType(pv.Elem())
|
|
} else {
|
|
return errors.New("slice type")
|
|
}
|
|
} else if sliceElementType.Kind() == reflect.Struct {
|
|
pv := reflect.New(sliceElementType)
|
|
table = session.Engine.autoMapType(pv.Elem())
|
|
} else {
|
|
return errors.New("slice type")
|
|
}
|
|
session.Statement.RefTable = table
|
|
} else {
|
|
table = session.Statement.RefTable
|
|
}
|
|
|
|
if len(condiBean) > 0 {
|
|
colNames, args := buildConditions(session.Engine, table, condiBean[0], true, true,
|
|
false, true, session.Statement.allUseBool, session.Statement.useAllCols,
|
|
session.Statement.mustColumnMap)
|
|
session.Statement.ConditionStr = strings.Join(colNames, " AND ")
|
|
session.Statement.BeanArgs = args
|
|
}
|
|
|
|
var sqlStr string
|
|
var args []interface{}
|
|
if session.Statement.RawSQL == "" {
|
|
var columnStr string = session.Statement.ColumnStr
|
|
if columnStr == "" {
|
|
columnStr = session.Statement.genColumnStr()
|
|
}
|
|
|
|
session.Statement.attachInSql()
|
|
|
|
sqlStr = session.Statement.genSelectSql(columnStr)
|
|
args = append(session.Statement.Params, session.Statement.BeanArgs...)
|
|
} else {
|
|
sqlStr = session.Statement.RawSQL
|
|
args = session.Statement.RawParams
|
|
}
|
|
|
|
if table.Cacher != nil &&
|
|
session.Statement.UseCache &&
|
|
!session.Statement.IsDistinct {
|
|
err = session.cacheFind(sliceElementType, sqlStr, rowsSlicePtr, args...)
|
|
if err != ErrCacheFailed {
|
|
return err
|
|
}
|
|
err = nil // !nashtsai! reset err to nil for ErrCacheFailed
|
|
session.Engine.LogWarn("Cache Find Failed")
|
|
}
|
|
|
|
if sliceValue.Kind() != reflect.Map {
|
|
var rawRows *sql.Rows
|
|
var stmt *sql.Stmt
|
|
|
|
session.queryPreprocess(&sqlStr, args...)
|
|
// err = session.queryRows(&stmt, &rawRows, sqlStr, args...)
|
|
// if err != nil {
|
|
// return err
|
|
// }
|
|
// if stmt != nil {
|
|
// defer stmt.Close()
|
|
// }
|
|
// defer rawRows.Close()
|
|
|
|
if session.IsAutoCommit {
|
|
stmt, err = session.Db.Prepare(sqlStr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer stmt.Close()
|
|
rawRows, err = stmt.Query(args...)
|
|
} else {
|
|
rawRows, err = session.Tx.Query(sqlStr, args...)
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer rawRows.Close()
|
|
|
|
fields, err := rawRows.Columns()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fieldsCount := len(fields)
|
|
|
|
for rawRows.Next() {
|
|
var newValue reflect.Value
|
|
if sliceElementType.Kind() == reflect.Ptr {
|
|
newValue = reflect.New(sliceElementType.Elem())
|
|
} else {
|
|
newValue = reflect.New(sliceElementType)
|
|
}
|
|
err := session.row2Bean(rawRows, fields, fieldsCount, newValue.Interface())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if sliceValue.Kind() == reflect.Slice {
|
|
if sliceElementType.Kind() == reflect.Ptr {
|
|
sliceValue.Set(reflect.Append(sliceValue, reflect.ValueOf(newValue.Interface())))
|
|
} else {
|
|
sliceValue.Set(reflect.Append(sliceValue, reflect.Indirect(reflect.ValueOf(newValue.Interface()))))
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
resultsSlice, err := session.query(sqlStr, args...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for i, results := range resultsSlice {
|
|
var newValue reflect.Value
|
|
if sliceElementType.Kind() == reflect.Ptr {
|
|
newValue = reflect.New(sliceElementType.Elem())
|
|
} else {
|
|
newValue = reflect.New(sliceElementType)
|
|
}
|
|
err := session.scanMapIntoStruct(newValue.Interface(), results)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var key int64
|
|
// if there is only one pk, we can put the id as map key.
|
|
// TODO: should know if the column is ints
|
|
if len(table.PrimaryKeys) == 1 {
|
|
x, err := strconv.ParseInt(string(results[table.PrimaryKeys[0]]), 10, 64)
|
|
if err != nil {
|
|
return errors.New("pk " + table.PrimaryKeys[0] + " as int64: " + err.Error())
|
|
}
|
|
key = x
|
|
} else {
|
|
key = int64(i)
|
|
}
|
|
if sliceElementType.Kind() == reflect.Ptr {
|
|
sliceValue.SetMapIndex(reflect.ValueOf(key), reflect.ValueOf(newValue.Interface()))
|
|
} else {
|
|
sliceValue.SetMapIndex(reflect.ValueOf(key), reflect.Indirect(reflect.ValueOf(newValue.Interface())))
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (session *Session) queryRows(rawStmt **sql.Stmt, rawRows **sql.Rows, sqlStr string, args ...interface{}) error {
|
|
var err error
|
|
if session.IsAutoCommit {
|
|
*rawStmt, err = session.Db.Prepare(sqlStr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
*rawRows, err = (*rawStmt).Query(args...)
|
|
} else {
|
|
*rawRows, err = session.Tx.Query(sqlStr, args...)
|
|
}
|
|
return err
|
|
}
|
|
|
|
// Test if database is ok
|
|
func (session *Session) Ping() error {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
return session.Db.Ping()
|
|
}
|
|
|
|
func (session *Session) isColumnExist(tableName, colName string) (bool, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
sqlStr, args := session.Engine.dialect.ColumnCheckSql(tableName, colName)
|
|
results, err := session.query(sqlStr, args...)
|
|
return len(results) > 0, err
|
|
}
|
|
|
|
func (session *Session) isTableExist(tableName string) (bool, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
sqlStr, args := session.Engine.dialect.TableCheckSql(tableName)
|
|
results, err := session.query(sqlStr, args...)
|
|
return len(results) > 0, err
|
|
}
|
|
|
|
func (session *Session) isIndexExist(tableName, idxName string, unique bool) (bool, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
var idx string
|
|
if unique {
|
|
idx = uniqueName(tableName, idxName)
|
|
} else {
|
|
idx = indexName(tableName, idxName)
|
|
}
|
|
sqlStr, args := session.Engine.dialect.IndexCheckSql(tableName, idx)
|
|
results, err := session.query(sqlStr, args...)
|
|
return len(results) > 0, err
|
|
}
|
|
|
|
// find if index is exist according cols
|
|
func (session *Session) isIndexExist2(tableName string, cols []string, unique bool) (bool, error) {
|
|
indexes, err := session.Engine.dialect.GetIndexes(tableName)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
for _, index := range indexes {
|
|
if sliceEq(index.Cols, cols) {
|
|
if unique {
|
|
return index.Type == UniqueType, nil
|
|
} else {
|
|
return index.Type == IndexType, nil
|
|
}
|
|
}
|
|
}
|
|
return false, nil
|
|
}
|
|
|
|
func (session *Session) addColumn(colName string) error {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
//fmt.Println(session.Statement.RefTable)
|
|
|
|
col := session.Statement.RefTable.Columns[strings.ToLower(colName)]
|
|
sql, args := session.Statement.genAddColumnStr(col)
|
|
_, err = session.exec(sql, args...)
|
|
return err
|
|
}
|
|
|
|
func (session *Session) addIndex(tableName, idxName string) error {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
//fmt.Println(idxName)
|
|
cols := session.Statement.RefTable.Indexes[idxName].Cols
|
|
sqlStr, args := session.Statement.genAddIndexStr(indexName(tableName, idxName), cols)
|
|
_, err = session.exec(sqlStr, args...)
|
|
return err
|
|
}
|
|
|
|
func (session *Session) addUnique(tableName, uqeName string) error {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
//fmt.Println(uqeName, session.Statement.RefTable.Uniques)
|
|
cols := session.Statement.RefTable.Indexes[uqeName].Cols
|
|
sqlStr, args := session.Statement.genAddUniqueStr(uniqueName(tableName, uqeName), cols)
|
|
_, err = session.exec(sqlStr, args...)
|
|
return err
|
|
}
|
|
|
|
// To be deleted
|
|
func (session *Session) dropAll() error {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
for _, table := range session.Engine.Tables {
|
|
session.Statement.Init()
|
|
session.Statement.RefTable = table
|
|
sqlStr := session.Statement.genDropSQL()
|
|
_, err := session.exec(sqlStr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func row2map(rows *sql.Rows, fields []string) (resultsMap map[string][]byte, err error) {
|
|
result := make(map[string][]byte)
|
|
var scanResultContainers []interface{}
|
|
for i := 0; i < len(fields); i++ {
|
|
var scanResultContainer interface{}
|
|
scanResultContainers = append(scanResultContainers, &scanResultContainer)
|
|
}
|
|
if err := rows.Scan(scanResultContainers...); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for ii, key := range fields {
|
|
rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
|
|
//if row is null then ignore
|
|
if rawValue.Interface() == nil {
|
|
//fmt.Println("ignore ...", key, rawValue)
|
|
continue
|
|
}
|
|
|
|
if data, err := value2Bytes(&rawValue); err == nil {
|
|
result[key] = data
|
|
} else {
|
|
return nil, err // !nashtsai! REVIEW, should return err or just error log?
|
|
}
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
func (session *Session) getField(dataStruct *reflect.Value, key string, table *Table) *reflect.Value {
|
|
key = strings.ToLower(key)
|
|
if _, ok := table.Columns[key]; !ok {
|
|
session.Engine.LogWarn(fmt.Sprintf("table %v's has not column %v. %v", table.Name, key, table.ColumnsSeq))
|
|
return nil
|
|
}
|
|
col := table.Columns[key]
|
|
fieldName := col.FieldName
|
|
fieldPath := strings.Split(fieldName, ".")
|
|
var fieldValue reflect.Value
|
|
if len(fieldPath) > 2 {
|
|
session.Engine.LogError("Unsupported mutliderive", fieldName)
|
|
return nil
|
|
} else if len(fieldPath) == 2 {
|
|
parentField := dataStruct.FieldByName(fieldPath[0])
|
|
if parentField.IsValid() {
|
|
fieldValue = parentField.FieldByName(fieldPath[1])
|
|
}
|
|
} else {
|
|
fieldValue = dataStruct.FieldByName(fieldName)
|
|
}
|
|
if !fieldValue.IsValid() || !fieldValue.CanSet() {
|
|
session.Engine.LogWarn("table %v's column %v is not valid or cannot set",
|
|
table.Name, key)
|
|
return nil
|
|
}
|
|
return &fieldValue
|
|
}
|
|
|
|
func (session *Session) row2Bean(rows *sql.Rows, fields []string, fieldsCount int, bean interface{}) error {
|
|
dataStruct := rValue(bean)
|
|
if dataStruct.Kind() != reflect.Struct {
|
|
return errors.New("Expected a pointer to a struct")
|
|
}
|
|
|
|
table := session.Engine.autoMapType(dataStruct)
|
|
|
|
var scanResultContainers []interface{}
|
|
for i := 0; i < fieldsCount; i++ {
|
|
var scanResultContainer interface{}
|
|
scanResultContainers = append(scanResultContainers, &scanResultContainer)
|
|
}
|
|
if err := rows.Scan(scanResultContainers...); err != nil {
|
|
return err
|
|
}
|
|
|
|
for ii, key := range fields {
|
|
if fieldValue := session.getField(&dataStruct, key, table); fieldValue != nil {
|
|
|
|
rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
|
|
|
|
//if row is null then ignore
|
|
if rawValue.Interface() == nil {
|
|
//fmt.Println("ignore ...", key, rawValue)
|
|
continue
|
|
}
|
|
|
|
if structConvert, ok := fieldValue.Addr().Interface().(Conversion); ok {
|
|
if data, err := value2Bytes(&rawValue); err == nil {
|
|
structConvert.FromDB(data)
|
|
} else {
|
|
session.Engine.LogError(err)
|
|
}
|
|
continue
|
|
}
|
|
|
|
rawValueType := reflect.TypeOf(rawValue.Interface())
|
|
vv := reflect.ValueOf(rawValue.Interface())
|
|
|
|
fieldType := fieldValue.Type()
|
|
|
|
//fmt.Println("column name:", key, ", fieldType:", fieldType.String())
|
|
|
|
hasAssigned := false
|
|
|
|
switch fieldType.Kind() {
|
|
|
|
case reflect.Complex64, reflect.Complex128:
|
|
if rawValueType.Kind() == reflect.String {
|
|
hasAssigned = true
|
|
x := reflect.New(fieldType)
|
|
err := json.Unmarshal([]byte(vv.String()), x.Interface())
|
|
if err != nil {
|
|
session.Engine.LogSQL(err)
|
|
return err
|
|
}
|
|
fieldValue.Set(x.Elem())
|
|
}
|
|
case reflect.Slice, reflect.Array:
|
|
switch rawValueType.Kind() {
|
|
case reflect.Slice, reflect.Array:
|
|
switch rawValueType.Elem().Kind() {
|
|
case reflect.Uint8:
|
|
if fieldType.Elem().Kind() == reflect.Uint8 {
|
|
hasAssigned = true
|
|
fieldValue.Set(vv)
|
|
}
|
|
}
|
|
}
|
|
case reflect.String:
|
|
if rawValueType.Kind() == reflect.String {
|
|
hasAssigned = true
|
|
fieldValue.SetString(vv.String())
|
|
}
|
|
case reflect.Bool:
|
|
if rawValueType.Kind() == reflect.Bool {
|
|
hasAssigned = true
|
|
fieldValue.SetBool(vv.Bool())
|
|
}
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
switch rawValueType.Kind() {
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
hasAssigned = true
|
|
fieldValue.SetInt(vv.Int())
|
|
}
|
|
case reflect.Float32, reflect.Float64:
|
|
switch rawValueType.Kind() {
|
|
case reflect.Float32, reflect.Float64:
|
|
hasAssigned = true
|
|
fieldValue.SetFloat(vv.Float())
|
|
}
|
|
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
|
|
switch rawValueType.Kind() {
|
|
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
|
|
hasAssigned = true
|
|
fieldValue.SetUint(vv.Uint())
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
hasAssigned = true
|
|
fieldValue.SetUint(uint64(vv.Int()))
|
|
}
|
|
case reflect.Struct:
|
|
if fieldType == reflect.TypeOf(c_TIME_DEFAULT) {
|
|
if rawValueType == reflect.TypeOf(c_TIME_DEFAULT) {
|
|
hasAssigned = true
|
|
fieldValue.Set(vv)
|
|
}
|
|
} else if session.Statement.UseCascade {
|
|
table := session.Engine.autoMapType(*fieldValue)
|
|
if table != nil {
|
|
var x int64
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
x = vv.Int()
|
|
}
|
|
if x != 0 {
|
|
// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
|
|
// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
|
|
// property to be fetched lazily
|
|
structInter := reflect.New(fieldValue.Type())
|
|
newsession := session.Engine.NewSession()
|
|
defer newsession.Close()
|
|
has, err := newsession.Id(x).Get(structInter.Interface())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if has {
|
|
v := structInter.Elem().Interface()
|
|
fieldValue.Set(reflect.ValueOf(v))
|
|
} else {
|
|
return errors.New("cascade obj is not exist!")
|
|
}
|
|
}
|
|
} else {
|
|
session.Engine.LogError("unsupported struct type in Scan: ", fieldValue.Type().String())
|
|
}
|
|
}
|
|
case reflect.Ptr:
|
|
// !nashtsai! TODO merge duplicated codes above
|
|
//typeStr := fieldType.String()
|
|
switch fieldType {
|
|
// following types case matching ptr's native type, therefore assign ptr directly
|
|
case reflect.TypeOf(&c_EMPTY_STRING):
|
|
if rawValueType.Kind() == reflect.String {
|
|
x := vv.String()
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_BOOL_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Bool {
|
|
x := vv.Bool()
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_TIME_DEFAULT):
|
|
if rawValueType == reflect.TypeOf(c_TIME_DEFAULT) {
|
|
hasAssigned = true
|
|
var x time.Time = rawValue.Interface().(time.Time)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_FLOAT64_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Float64 {
|
|
x := vv.Float()
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_UINT64_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x uint64 = uint64(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_INT64_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
x := vv.Int()
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_FLOAT32_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Float64 {
|
|
var x float32 = float32(vv.Float())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_INT_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x int = int(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_INT32_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x int32 = int32(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_INT8_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x int8 = int8(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_INT16_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x int16 = int16(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_UINT_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x uint = uint(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_UINT32_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x uint32 = uint32(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_UINT8_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x uint8 = uint8(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_UINT16_DEFAULT):
|
|
if rawValueType.Kind() == reflect.Int64 {
|
|
var x uint16 = uint16(vv.Int())
|
|
hasAssigned = true
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
case reflect.TypeOf(&c_COMPLEX64_DEFAULT):
|
|
var x complex64
|
|
err := json.Unmarshal([]byte(vv.String()), &x)
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
} else {
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
hasAssigned = true
|
|
case reflect.TypeOf(&c_COMPLEX128_DEFAULT):
|
|
var x complex128
|
|
err := json.Unmarshal([]byte(vv.String()), &x)
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
} else {
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
}
|
|
hasAssigned = true
|
|
} // switch fieldType
|
|
// default:
|
|
// session.Engine.LogError("unsupported type in Scan: ", reflect.TypeOf(v).String())
|
|
} // switch fieldType.Kind()
|
|
|
|
// !nashtsai! for value can't be assigned directly fallback to convert to []byte then back to value
|
|
if !hasAssigned {
|
|
data, err := value2Bytes(&rawValue)
|
|
if err == nil {
|
|
session.bytes2Value(table.Columns[strings.ToLower(key)], fieldValue, data)
|
|
} else {
|
|
session.Engine.LogError(err.Error())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
|
|
}
|
|
|
|
func (session *Session) queryPreprocess(sqlStr *string, paramStr ...interface{}) {
|
|
for _, filter := range session.Engine.Filters {
|
|
*sqlStr = filter.Do(*sqlStr, session)
|
|
}
|
|
|
|
session.Engine.LogSQL(*sqlStr)
|
|
session.Engine.LogSQL(paramStr)
|
|
}
|
|
|
|
func (session *Session) query(sqlStr string, paramStr ...interface{}) (resultsSlice []map[string][]byte, err error) {
|
|
session.queryPreprocess(&sqlStr, paramStr...)
|
|
|
|
if session.IsAutoCommit {
|
|
return query(session.Db, sqlStr, paramStr...)
|
|
}
|
|
return txQuery(session.Tx, sqlStr, paramStr...)
|
|
}
|
|
|
|
func txQuery(tx *sql.Tx, sqlStr string, params ...interface{}) (resultsSlice []map[string][]byte, err error) {
|
|
rows, err := tx.Query(sqlStr, params...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
return rows2maps(rows)
|
|
}
|
|
|
|
func query(db *sql.DB, sqlStr string, params ...interface{}) (resultsSlice []map[string][]byte, err error) {
|
|
s, err := db.Prepare(sqlStr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer s.Close()
|
|
rows, err := s.Query(params...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
//fmt.Println(rows)
|
|
return rows2maps(rows)
|
|
}
|
|
|
|
// Exec a raw sql and return records as []map[string][]byte
|
|
func (session *Session) Query(sqlStr string, paramStr ...interface{}) (resultsSlice []map[string][]byte, err error) {
|
|
err = session.newDb()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
return session.query(sqlStr, paramStr...)
|
|
}
|
|
|
|
// insert one or more beans
|
|
func (session *Session) Insert(beans ...interface{}) (int64, error) {
|
|
var affected int64 = 0
|
|
var err error = nil
|
|
err = session.newDb()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
for _, bean := range beans {
|
|
sliceValue := reflect.Indirect(reflect.ValueOf(bean))
|
|
if sliceValue.Kind() == reflect.Slice {
|
|
if session.Engine.SupportInsertMany() {
|
|
cnt, err := session.innerInsertMulti(bean)
|
|
if err != nil {
|
|
return affected, err
|
|
}
|
|
affected += cnt
|
|
} else {
|
|
size := sliceValue.Len()
|
|
for i := 0; i < size; i++ {
|
|
cnt, err := session.innerInsert(sliceValue.Index(i).Interface())
|
|
if err != nil {
|
|
return affected, err
|
|
}
|
|
affected += cnt
|
|
}
|
|
}
|
|
} else {
|
|
cnt, err := session.innerInsert(bean)
|
|
if err != nil {
|
|
return affected, err
|
|
}
|
|
affected += cnt
|
|
}
|
|
}
|
|
|
|
return affected, err
|
|
}
|
|
|
|
func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error) {
|
|
sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
|
|
if sliceValue.Kind() != reflect.Slice {
|
|
return 0, errors.New("needs a pointer to a slice")
|
|
}
|
|
|
|
bean := sliceValue.Index(0).Interface()
|
|
elementValue := rValue(bean)
|
|
//sliceElementType := elementValue.Type()
|
|
|
|
table := session.Engine.autoMapType(elementValue)
|
|
session.Statement.RefTable = table
|
|
|
|
size := sliceValue.Len()
|
|
|
|
colNames := make([]string, 0)
|
|
colMultiPlaces := make([]string, 0)
|
|
var args = make([]interface{}, 0)
|
|
cols := make([]*Column, 0)
|
|
|
|
for i := 0; i < size; i++ {
|
|
elemValue := sliceValue.Index(i).Interface()
|
|
colPlaces := make([]string, 0)
|
|
|
|
// handle BeforeInsertProcessor
|
|
// !nashtsai! does user expect it's same slice to passed closure when using Before()/After() when insert multi??
|
|
for _, closure := range session.beforeClosures {
|
|
closure(elemValue)
|
|
}
|
|
|
|
if processor, ok := interface{}(elemValue).(BeforeInsertProcessor); ok {
|
|
processor.BeforeInsert()
|
|
}
|
|
// --
|
|
|
|
if i == 0 {
|
|
for _, col := range table.Columns {
|
|
fieldValue := reflect.Indirect(reflect.ValueOf(elemValue)).FieldByName(col.FieldName)
|
|
if col.IsAutoIncrement && fieldValue.Int() == 0 {
|
|
continue
|
|
}
|
|
if col.MapType == ONLYFROMDB {
|
|
continue
|
|
}
|
|
if session.Statement.ColumnStr != "" {
|
|
if _, ok := session.Statement.columnMap[col.Name]; !ok {
|
|
continue
|
|
}
|
|
}
|
|
if (col.IsCreated || col.IsUpdated) && session.Statement.UseAutoTime {
|
|
args = append(args, session.Engine.NowTime(col.SQLType.Name))
|
|
} else {
|
|
arg, err := session.value2Interface(col, fieldValue)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
args = append(args, arg)
|
|
}
|
|
|
|
colNames = append(colNames, col.Name)
|
|
cols = append(cols, col)
|
|
colPlaces = append(colPlaces, "?")
|
|
}
|
|
} else {
|
|
for _, col := range cols {
|
|
fieldValue := reflect.Indirect(reflect.ValueOf(elemValue)).FieldByName(col.FieldName)
|
|
if col.IsAutoIncrement && fieldValue.Int() == 0 {
|
|
continue
|
|
}
|
|
if col.MapType == ONLYFROMDB {
|
|
continue
|
|
}
|
|
if session.Statement.ColumnStr != "" {
|
|
if _, ok := session.Statement.columnMap[col.Name]; !ok {
|
|
continue
|
|
}
|
|
}
|
|
if (col.IsCreated || col.IsUpdated) && session.Statement.UseAutoTime {
|
|
args = append(args, session.Engine.NowTime(col.SQLType.Name))
|
|
} else {
|
|
arg, err := session.value2Interface(col, fieldValue)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
args = append(args, arg)
|
|
}
|
|
|
|
colPlaces = append(colPlaces, "?")
|
|
}
|
|
}
|
|
colMultiPlaces = append(colMultiPlaces, strings.Join(colPlaces, ", "))
|
|
}
|
|
cleanupProcessorsClosures(&session.beforeClosures)
|
|
|
|
statement := fmt.Sprintf("INSERT INTO %v%v%v (%v%v%v) VALUES (%v)",
|
|
session.Engine.QuoteStr(),
|
|
session.Statement.TableName(),
|
|
session.Engine.QuoteStr(),
|
|
session.Engine.QuoteStr(),
|
|
strings.Join(colNames, session.Engine.QuoteStr()+", "+session.Engine.QuoteStr()),
|
|
session.Engine.QuoteStr(),
|
|
strings.Join(colMultiPlaces, "),("))
|
|
|
|
res, err := session.exec(statement, args...)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
if table.Cacher != nil && session.Statement.UseCache {
|
|
session.cacheInsert(session.Statement.TableName())
|
|
}
|
|
|
|
lenAfterClosures := len(session.afterClosures)
|
|
for i := 0; i < size; i++ {
|
|
elemValue := sliceValue.Index(i).Interface()
|
|
// handle AfterInsertProcessor
|
|
if session.IsAutoCommit {
|
|
// !nashtsai! does user expect it's same slice to passed closure when using Before()/After() when insert multi??
|
|
for _, closure := range session.afterClosures {
|
|
closure(elemValue)
|
|
}
|
|
if processor, ok := interface{}(elemValue).(AfterInsertProcessor); ok {
|
|
processor.AfterInsert()
|
|
}
|
|
} else {
|
|
if lenAfterClosures > 0 {
|
|
if value, has := session.afterInsertBeans[elemValue]; has && value != nil {
|
|
*value = append(*value, session.afterClosures...)
|
|
} else {
|
|
afterClosures := make([]func(interface{}), lenAfterClosures)
|
|
copy(afterClosures, session.afterClosures)
|
|
session.afterInsertBeans[elemValue] = &afterClosures
|
|
}
|
|
|
|
} else {
|
|
if _, ok := interface{}(elemValue).(AfterInsertProcessor); ok {
|
|
session.afterInsertBeans[elemValue] = nil
|
|
}
|
|
}
|
|
}
|
|
}
|
|
cleanupProcessorsClosures(&session.afterClosures)
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
// Insert multiple records
|
|
func (session *Session) InsertMulti(rowsSlicePtr interface{}) (int64, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
return session.innerInsertMulti(rowsSlicePtr)
|
|
}
|
|
|
|
func (session *Session) byte2Time(col *Column, data []byte) (outTime time.Time, outErr error) {
|
|
sdata := strings.TrimSpace(string(data))
|
|
var x time.Time
|
|
var err error
|
|
|
|
if sdata == "0000-00-00 00:00:00" ||
|
|
sdata == "0001-01-01 00:00:00" {
|
|
} else if !strings.ContainsAny(sdata, "- :") {
|
|
// time stamp
|
|
sd, err := strconv.ParseInt(sdata, 10, 64)
|
|
if err == nil {
|
|
x = time.Unix(0, sd)
|
|
}
|
|
} else if len(sdata) > 19 {
|
|
x, err = time.Parse(time.RFC3339Nano, sdata)
|
|
if err != nil {
|
|
x, err = time.Parse("2006-01-02 15:04:05.999999999", sdata)
|
|
}
|
|
if err != nil {
|
|
x, err = time.Parse("2006-01-02 15:04:05.9999999 Z07:00", sdata)
|
|
}
|
|
} else if len(sdata) == 19 {
|
|
x, err = time.Parse("2006-01-02 15:04:05", sdata)
|
|
} else if len(sdata) == 10 && sdata[4] == '-' && sdata[7] == '-' {
|
|
x, err = time.Parse("2006-01-02", sdata)
|
|
} else if col.SQLType.Name == Time {
|
|
if strings.Contains(sdata, " ") {
|
|
ssd := strings.Split(sdata, " ")
|
|
sdata = ssd[1]
|
|
}
|
|
|
|
sdata = strings.TrimSpace(sdata)
|
|
//fmt.Println(sdata)
|
|
if session.Engine.dialect.DBType() == MYSQL && len(sdata) > 8 {
|
|
sdata = sdata[len(sdata)-8:]
|
|
}
|
|
//fmt.Println(sdata)
|
|
|
|
st := fmt.Sprintf("2006-01-02 %v", sdata)
|
|
x, err = time.Parse("2006-01-02 15:04:05", st)
|
|
} else {
|
|
outErr = errors.New(fmt.Sprintf("unsupported time format %v", sdata))
|
|
return
|
|
}
|
|
if err != nil {
|
|
outErr = errors.New(fmt.Sprintf("unsupported time format %v: %v", sdata, err))
|
|
return
|
|
}
|
|
outTime = x
|
|
return
|
|
}
|
|
|
|
// convert a db data([]byte) to a field value
|
|
func (session *Session) bytes2Value(col *Column, fieldValue *reflect.Value, data []byte) error {
|
|
if structConvert, ok := fieldValue.Addr().Interface().(Conversion); ok {
|
|
return structConvert.FromDB(data)
|
|
}
|
|
|
|
var v interface{}
|
|
key := col.Name
|
|
fieldType := fieldValue.Type()
|
|
|
|
//fmt.Println("column name:", key, ", fieldType:", fieldType.String())
|
|
switch fieldType.Kind() {
|
|
case reflect.Complex64, reflect.Complex128:
|
|
x := reflect.New(fieldType)
|
|
|
|
err := json.Unmarshal(data, x.Interface())
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
return err
|
|
}
|
|
fieldValue.Set(x.Elem())
|
|
case reflect.Slice, reflect.Array, reflect.Map:
|
|
v = data
|
|
t := fieldType.Elem()
|
|
k := t.Kind()
|
|
if col.SQLType.IsText() {
|
|
x := reflect.New(fieldType)
|
|
err := json.Unmarshal(data, x.Interface())
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
return err
|
|
}
|
|
fieldValue.Set(x.Elem())
|
|
} else if col.SQLType.IsBlob() {
|
|
if k == reflect.Uint8 {
|
|
fieldValue.Set(reflect.ValueOf(v))
|
|
} else {
|
|
x := reflect.New(fieldType)
|
|
err := json.Unmarshal(data, x.Interface())
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
return err
|
|
}
|
|
fieldValue.Set(x.Elem())
|
|
}
|
|
} else {
|
|
return ErrUnSupportedType
|
|
}
|
|
case reflect.String:
|
|
fieldValue.SetString(string(data))
|
|
case reflect.Bool:
|
|
d := string(data)
|
|
v, err := strconv.ParseBool(d)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as bool: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(v))
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
sdata := string(data)
|
|
var x int64
|
|
var err error
|
|
// for mysql, when use bit, it returned \x01
|
|
if col.SQLType.Name == Bit &&
|
|
session.Engine.dialect.DBType() == MYSQL {
|
|
if len(data) == 1 {
|
|
x = int64(data[0])
|
|
} else {
|
|
x = 0
|
|
}
|
|
//fmt.Println("######", x, data)
|
|
} else if strings.HasPrefix(sdata, "0x") {
|
|
x, err = strconv.ParseInt(sdata, 16, 64)
|
|
} else if strings.HasPrefix(sdata, "0") {
|
|
x, err = strconv.ParseInt(sdata, 8, 64)
|
|
} else if strings.ToLower(sdata) == "true" {
|
|
x = 1
|
|
} else if strings.ToLower(sdata) == "false" {
|
|
x = 0
|
|
} else {
|
|
x, err = strconv.ParseInt(sdata, 10, 64)
|
|
}
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.SetInt(x)
|
|
case reflect.Float32, reflect.Float64:
|
|
x, err := strconv.ParseFloat(string(data), 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as float64: %s", key, err.Error())
|
|
}
|
|
fieldValue.SetFloat(x)
|
|
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
|
|
x, err := strconv.ParseUint(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.SetUint(x)
|
|
//Currently only support Time type
|
|
case reflect.Struct:
|
|
if fieldType == reflect.TypeOf(c_TIME_DEFAULT) {
|
|
x, err := session.byte2Time(col, data)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
v = x
|
|
fieldValue.Set(reflect.ValueOf(v))
|
|
} else if session.Statement.UseCascade {
|
|
table := session.Engine.autoMapType(*fieldValue)
|
|
if table != nil {
|
|
x, err := strconv.ParseInt(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
if x != 0 {
|
|
// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
|
|
// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
|
|
// property to be fetched lazily
|
|
structInter := reflect.New(fieldValue.Type())
|
|
newsession := session.Engine.NewSession()
|
|
defer newsession.Close()
|
|
has, err := newsession.Id(x).Get(structInter.Interface())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if has {
|
|
v = structInter.Elem().Interface()
|
|
fieldValue.Set(reflect.ValueOf(v))
|
|
} else {
|
|
return errors.New("cascade obj is not exist!")
|
|
}
|
|
}
|
|
} else {
|
|
return fmt.Errorf("unsupported struct type in Scan: %s", fieldValue.Type().String())
|
|
}
|
|
}
|
|
case reflect.Ptr:
|
|
// !nashtsai! TODO merge duplicated codes above
|
|
//typeStr := fieldType.String()
|
|
switch fieldType {
|
|
// case "*string":
|
|
case reflect.TypeOf(&c_EMPTY_STRING):
|
|
x := string(data)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*bool":
|
|
case reflect.TypeOf(&c_BOOL_DEFAULT):
|
|
d := string(data)
|
|
v, err := strconv.ParseBool(d)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as bool: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&v))
|
|
// case "*complex64":
|
|
case reflect.TypeOf(&c_COMPLEX64_DEFAULT):
|
|
var x complex64
|
|
err := json.Unmarshal(data, &x)
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
return err
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*complex128":
|
|
case reflect.TypeOf(&c_COMPLEX128_DEFAULT):
|
|
var x complex128
|
|
err := json.Unmarshal(data, &x)
|
|
if err != nil {
|
|
session.Engine.LogError(err)
|
|
return err
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*float64":
|
|
case reflect.TypeOf(&c_FLOAT64_DEFAULT):
|
|
x, err := strconv.ParseFloat(string(data), 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as float64: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*float32":
|
|
case reflect.TypeOf(&c_FLOAT32_DEFAULT):
|
|
var x float32
|
|
x1, err := strconv.ParseFloat(string(data), 32)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as float32: %s", key, err.Error())
|
|
}
|
|
x = float32(x1)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*time.Time":
|
|
case reflect.TypeOf(&c_TIME_DEFAULT):
|
|
x, err := session.byte2Time(col, data)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
v = x
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*uint64":
|
|
case reflect.TypeOf(&c_UINT64_DEFAULT):
|
|
var x uint64
|
|
x, err := strconv.ParseUint(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*uint":
|
|
case reflect.TypeOf(&c_UINT_DEFAULT):
|
|
var x uint
|
|
x1, err := strconv.ParseUint(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
x = uint(x1)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*uint32":
|
|
case reflect.TypeOf(&c_UINT32_DEFAULT):
|
|
var x uint32
|
|
x1, err := strconv.ParseUint(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
x = uint32(x1)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*uint8":
|
|
case reflect.TypeOf(&c_UINT8_DEFAULT):
|
|
var x uint8
|
|
x1, err := strconv.ParseUint(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
x = uint8(x1)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*uint16":
|
|
case reflect.TypeOf(&c_UINT16_DEFAULT):
|
|
var x uint16
|
|
x1, err := strconv.ParseUint(string(data), 10, 64)
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
x = uint16(x1)
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*int64":
|
|
case reflect.TypeOf(&c_INT64_DEFAULT):
|
|
sdata := string(data)
|
|
var x int64
|
|
var err error
|
|
// for mysql, when use bit, it returned \x01
|
|
if col.SQLType.Name == Bit &&
|
|
strings.Contains(session.Engine.DriverName, "mysql") {
|
|
if len(data) == 1 {
|
|
x = int64(data[0])
|
|
} else {
|
|
x = 0
|
|
}
|
|
//fmt.Println("######", x, data)
|
|
} else if strings.HasPrefix(sdata, "0x") {
|
|
x, err = strconv.ParseInt(sdata, 16, 64)
|
|
} else if strings.HasPrefix(sdata, "0") {
|
|
x, err = strconv.ParseInt(sdata, 8, 64)
|
|
} else {
|
|
x, err = strconv.ParseInt(sdata, 10, 64)
|
|
}
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*int":
|
|
case reflect.TypeOf(&c_INT_DEFAULT):
|
|
sdata := string(data)
|
|
var x int
|
|
var x1 int64
|
|
var err error
|
|
// for mysql, when use bit, it returned \x01
|
|
if col.SQLType.Name == Bit &&
|
|
strings.Contains(session.Engine.DriverName, "mysql") {
|
|
if len(data) == 1 {
|
|
x = int(data[0])
|
|
} else {
|
|
x = 0
|
|
}
|
|
//fmt.Println("######", x, data)
|
|
} else if strings.HasPrefix(sdata, "0x") {
|
|
x1, err = strconv.ParseInt(sdata, 16, 64)
|
|
x = int(x1)
|
|
} else if strings.HasPrefix(sdata, "0") {
|
|
x1, err = strconv.ParseInt(sdata, 8, 64)
|
|
x = int(x1)
|
|
} else {
|
|
x1, err = strconv.ParseInt(sdata, 10, 64)
|
|
x = int(x1)
|
|
}
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*int32":
|
|
case reflect.TypeOf(&c_INT32_DEFAULT):
|
|
sdata := string(data)
|
|
var x int32
|
|
var x1 int64
|
|
var err error
|
|
// for mysql, when use bit, it returned \x01
|
|
if col.SQLType.Name == Bit &&
|
|
strings.Contains(session.Engine.DriverName, "mysql") {
|
|
if len(data) == 1 {
|
|
x = int32(data[0])
|
|
} else {
|
|
x = 0
|
|
}
|
|
//fmt.Println("######", x, data)
|
|
} else if strings.HasPrefix(sdata, "0x") {
|
|
x1, err = strconv.ParseInt(sdata, 16, 64)
|
|
x = int32(x1)
|
|
} else if strings.HasPrefix(sdata, "0") {
|
|
x1, err = strconv.ParseInt(sdata, 8, 64)
|
|
x = int32(x1)
|
|
} else {
|
|
x1, err = strconv.ParseInt(sdata, 10, 64)
|
|
x = int32(x1)
|
|
}
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*int8":
|
|
case reflect.TypeOf(&c_INT8_DEFAULT):
|
|
sdata := string(data)
|
|
var x int8
|
|
var x1 int64
|
|
var err error
|
|
// for mysql, when use bit, it returned \x01
|
|
if col.SQLType.Name == Bit &&
|
|
strings.Contains(session.Engine.DriverName, "mysql") {
|
|
if len(data) == 1 {
|
|
x = int8(data[0])
|
|
} else {
|
|
x = 0
|
|
}
|
|
//fmt.Println("######", x, data)
|
|
} else if strings.HasPrefix(sdata, "0x") {
|
|
x1, err = strconv.ParseInt(sdata, 16, 64)
|
|
x = int8(x1)
|
|
} else if strings.HasPrefix(sdata, "0") {
|
|
x1, err = strconv.ParseInt(sdata, 8, 64)
|
|
x = int8(x1)
|
|
} else {
|
|
x1, err = strconv.ParseInt(sdata, 10, 64)
|
|
x = int8(x1)
|
|
}
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
// case "*int16":
|
|
case reflect.TypeOf(&c_INT16_DEFAULT):
|
|
sdata := string(data)
|
|
var x int16
|
|
var x1 int64
|
|
var err error
|
|
// for mysql, when use bit, it returned \x01
|
|
if col.SQLType.Name == Bit &&
|
|
strings.Contains(session.Engine.DriverName, "mysql") {
|
|
if len(data) == 1 {
|
|
x = int16(data[0])
|
|
} else {
|
|
x = 0
|
|
}
|
|
//fmt.Println("######", x, data)
|
|
} else if strings.HasPrefix(sdata, "0x") {
|
|
x1, err = strconv.ParseInt(sdata, 16, 64)
|
|
x = int16(x1)
|
|
} else if strings.HasPrefix(sdata, "0") {
|
|
x1, err = strconv.ParseInt(sdata, 8, 64)
|
|
x = int16(x1)
|
|
} else {
|
|
x1, err = strconv.ParseInt(sdata, 10, 64)
|
|
x = int16(x1)
|
|
}
|
|
if err != nil {
|
|
return fmt.Errorf("arg %v as int: %s", key, err.Error())
|
|
}
|
|
fieldValue.Set(reflect.ValueOf(&x))
|
|
default:
|
|
return fmt.Errorf("unsupported type in Scan: %s", reflect.TypeOf(v).String())
|
|
}
|
|
default:
|
|
return fmt.Errorf("unsupported type in Scan: %s", reflect.TypeOf(v).String())
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// convert a field value of a struct to interface for put into db
|
|
func (session *Session) value2Interface(col *Column, fieldValue reflect.Value) (interface{}, error) {
|
|
if fieldValue.CanAddr() {
|
|
if fieldConvert, ok := fieldValue.Addr().Interface().(Conversion); ok {
|
|
data, err := fieldConvert.ToDB()
|
|
if err != nil {
|
|
return 0, err
|
|
} else {
|
|
return string(data), nil
|
|
}
|
|
}
|
|
}
|
|
fieldType := fieldValue.Type()
|
|
k := fieldType.Kind()
|
|
if k == reflect.Ptr {
|
|
if fieldValue.IsNil() {
|
|
return nil, nil
|
|
} else if !fieldValue.IsValid() {
|
|
session.Engine.LogWarn("the field[", col.FieldName, "] is invalid")
|
|
return nil, nil
|
|
} else {
|
|
// !nashtsai! deference pointer type to instance type
|
|
fieldValue = fieldValue.Elem()
|
|
fieldType = fieldValue.Type()
|
|
k = fieldType.Kind()
|
|
}
|
|
}
|
|
|
|
switch k {
|
|
case reflect.Bool:
|
|
if fieldValue.Bool() {
|
|
return 1, nil
|
|
} else {
|
|
return 0, nil
|
|
}
|
|
case reflect.String:
|
|
return fieldValue.String(), nil
|
|
case reflect.Struct:
|
|
if fieldType == reflect.TypeOf(c_TIME_DEFAULT) {
|
|
t := fieldValue.Interface().(time.Time)
|
|
if session.Engine.dialect.DBType() == MSSQL {
|
|
if t.IsZero() {
|
|
return nil, nil
|
|
}
|
|
}
|
|
switch fieldValue.Interface().(type) {
|
|
case time.Time:
|
|
tf := session.Engine.FormatTime(col.SQLType.Name,fieldValue.Interface().(time.Time))
|
|
return tf, nil
|
|
default:
|
|
return fieldValue.Interface(), nil
|
|
}
|
|
}
|
|
if fieldTable, ok := session.Engine.Tables[fieldValue.Type()]; ok {
|
|
if len(fieldTable.PrimaryKeys) == 1 {
|
|
pkField := reflect.Indirect(fieldValue).FieldByName(fieldTable.PKColumns()[0].FieldName)
|
|
return pkField.Interface(), nil
|
|
} else {
|
|
return 0, fmt.Errorf("no primary key for col %v", col.Name)
|
|
}
|
|
} else {
|
|
return 0, fmt.Errorf("Unsupported type %v\n", fieldValue.Type())
|
|
}
|
|
case reflect.Complex64, reflect.Complex128:
|
|
bytes, err := json.Marshal(fieldValue.Interface())
|
|
if err != nil {
|
|
session.Engine.LogSQL(err)
|
|
return 0, err
|
|
}
|
|
return string(bytes), nil
|
|
case reflect.Array, reflect.Slice, reflect.Map:
|
|
if !fieldValue.IsValid() {
|
|
return fieldValue.Interface(), nil
|
|
}
|
|
|
|
if col.SQLType.IsText() {
|
|
bytes, err := json.Marshal(fieldValue.Interface())
|
|
if err != nil {
|
|
session.Engine.LogSQL(err)
|
|
return 0, err
|
|
}
|
|
return string(bytes), nil
|
|
} else if col.SQLType.IsBlob() {
|
|
var bytes []byte
|
|
var err error
|
|
if (k == reflect.Array || k == reflect.Slice) &&
|
|
(fieldValue.Type().Elem().Kind() == reflect.Uint8) {
|
|
bytes = fieldValue.Bytes()
|
|
} else {
|
|
bytes, err = json.Marshal(fieldValue.Interface())
|
|
if err != nil {
|
|
session.Engine.LogSQL(err)
|
|
return 0, err
|
|
}
|
|
}
|
|
return bytes, nil
|
|
} else {
|
|
return nil, ErrUnSupportedType
|
|
}
|
|
default:
|
|
return fieldValue.Interface(), nil
|
|
}
|
|
}
|
|
|
|
func (session *Session) innerInsert(bean interface{}) (int64, error) {
|
|
table := session.Engine.autoMap(bean)
|
|
session.Statement.RefTable = table
|
|
|
|
// handle BeforeInsertProcessor
|
|
for _, closure := range session.beforeClosures {
|
|
closure(bean)
|
|
}
|
|
cleanupProcessorsClosures(&session.beforeClosures) // cleanup after used
|
|
|
|
if processor, ok := interface{}(bean).(BeforeInsertProcessor); ok {
|
|
processor.BeforeInsert()
|
|
}
|
|
// --
|
|
|
|
colNames, args, err := table.genCols(session, bean, false, false)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
colPlaces := strings.Repeat("?, ", len(colNames))
|
|
//fmt.Println(colNames, args)
|
|
colPlaces = colPlaces[0 : len(colPlaces)-2]
|
|
|
|
sqlStr := fmt.Sprintf("INSERT INTO %v%v%v (%v%v%v) VALUES (%v)",
|
|
session.Engine.QuoteStr(),
|
|
session.Statement.TableName(),
|
|
session.Engine.QuoteStr(),
|
|
session.Engine.QuoteStr(),
|
|
strings.Join(colNames, session.Engine.Quote(", ")),
|
|
session.Engine.QuoteStr(),
|
|
colPlaces)
|
|
|
|
handleAfterInsertProcessorFunc := func(bean interface{}) {
|
|
|
|
if session.IsAutoCommit {
|
|
for _, closure := range session.afterClosures {
|
|
closure(bean)
|
|
}
|
|
if processor, ok := interface{}(bean).(AfterInsertProcessor); ok {
|
|
processor.AfterInsert()
|
|
}
|
|
} else {
|
|
lenAfterClosures := len(session.afterClosures)
|
|
if lenAfterClosures > 0 {
|
|
if value, has := session.afterInsertBeans[bean]; has && value != nil {
|
|
*value = append(*value, session.afterClosures...)
|
|
} else {
|
|
afterClosures := make([]func(interface{}), lenAfterClosures)
|
|
copy(afterClosures, session.afterClosures)
|
|
session.afterInsertBeans[bean] = &afterClosures
|
|
}
|
|
|
|
} else {
|
|
if _, ok := interface{}(bean).(AfterInsertProcessor); ok {
|
|
session.afterInsertBeans[bean] = nil
|
|
}
|
|
}
|
|
}
|
|
cleanupProcessorsClosures(&session.afterClosures) // cleanup after used
|
|
}
|
|
|
|
// for postgres, many of them didn't implement lastInsertId, so we should
|
|
// implemented it ourself.
|
|
|
|
if session.Engine.DriverName != POSTGRES || table.AutoIncrement == "" {
|
|
res, err := session.exec(sqlStr, args...)
|
|
if err != nil {
|
|
return 0, err
|
|
} else {
|
|
handleAfterInsertProcessorFunc(bean)
|
|
}
|
|
|
|
if table.Cacher != nil && session.Statement.UseCache {
|
|
session.cacheInsert(session.Statement.TableName())
|
|
}
|
|
|
|
if table.Version != "" && session.Statement.checkVersion {
|
|
verValue := table.VersionColumn().ValueOf(bean)
|
|
if verValue.IsValid() && verValue.CanSet() {
|
|
verValue.SetInt(1)
|
|
}
|
|
}
|
|
|
|
if table.AutoIncrement == "" {
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
var id int64 = 0
|
|
id, err = res.LastInsertId()
|
|
if err != nil || id <= 0 {
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
aiValue := table.AutoIncrColumn().ValueOf(bean)
|
|
if !aiValue.IsValid() /*|| aiValue.Int() != 0*/ || !aiValue.CanSet() {
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
var v interface{} = id
|
|
switch aiValue.Type().Kind() {
|
|
case reflect.Int32:
|
|
v = int32(id)
|
|
case reflect.Int:
|
|
v = int(id)
|
|
case reflect.Uint32:
|
|
v = uint32(id)
|
|
case reflect.Uint64:
|
|
v = uint64(id)
|
|
case reflect.Uint:
|
|
v = uint(id)
|
|
}
|
|
aiValue.Set(reflect.ValueOf(v))
|
|
|
|
return res.RowsAffected()
|
|
} else {
|
|
//assert table.AutoIncrement != ""
|
|
sqlStr = sqlStr + " RETURNING " + session.Engine.Quote(table.AutoIncrement)
|
|
res, err := session.query(sqlStr, args...)
|
|
|
|
if err != nil {
|
|
return 0, err
|
|
} else {
|
|
handleAfterInsertProcessorFunc(bean)
|
|
}
|
|
|
|
if table.Cacher != nil && session.Statement.UseCache {
|
|
session.cacheInsert(session.Statement.TableName())
|
|
}
|
|
|
|
if table.Version != "" && session.Statement.checkVersion {
|
|
verValue := table.VersionColumn().ValueOf(bean)
|
|
if verValue.IsValid() && verValue.CanSet() {
|
|
verValue.SetInt(1)
|
|
}
|
|
}
|
|
|
|
if len(res) < 1 {
|
|
return 0, errors.New("insert no error but not returned id")
|
|
}
|
|
|
|
idByte := res[0][table.AutoIncrement]
|
|
id, err := strconv.ParseInt(string(idByte), 10, 64)
|
|
if err != nil {
|
|
return 1, err
|
|
}
|
|
|
|
aiValue := table.AutoIncrColumn().ValueOf(bean)
|
|
if !aiValue.IsValid() /*|| aiValue. != 0*/ || !aiValue.CanSet() {
|
|
return 1, nil
|
|
}
|
|
|
|
var v interface{} = id
|
|
switch aiValue.Type().Kind() {
|
|
case reflect.Int32:
|
|
v = int32(id)
|
|
case reflect.Int:
|
|
v = int(id)
|
|
case reflect.Uint32:
|
|
v = uint32(id)
|
|
case reflect.Uint64:
|
|
v = uint64(id)
|
|
case reflect.Uint:
|
|
v = uint(id)
|
|
}
|
|
aiValue.Set(reflect.ValueOf(v))
|
|
|
|
return 1, nil
|
|
}
|
|
}
|
|
|
|
// Method InsertOne insert only one struct into database as a record.
|
|
// The in parameter bean must a struct or a point to struct. The return
|
|
// parameter is inserted and error
|
|
func (session *Session) InsertOne(bean interface{}) (int64, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
return session.innerInsert(bean)
|
|
}
|
|
|
|
func (statement *Statement) convertUpdateSql(sqlStr string) (string, string) {
|
|
if statement.RefTable == nil || len(statement.RefTable.PrimaryKeys) != 1 {
|
|
return "", ""
|
|
}
|
|
sqls := splitNNoCase(sqlStr, "where", 2)
|
|
if len(sqls) != 2 {
|
|
if len(sqls) == 1 {
|
|
return sqls[0], fmt.Sprintf("SELECT %v FROM %v",
|
|
statement.Engine.Quote(statement.RefTable.PrimaryKeys[0]),
|
|
statement.Engine.Quote(statement.RefTable.Name))
|
|
}
|
|
return "", ""
|
|
}
|
|
|
|
var whereStr = sqls[1]
|
|
|
|
//TODO: for postgres only, if any other database?
|
|
var paraStr string
|
|
if statement.Engine.dialect.DBType() == POSTGRES {
|
|
paraStr = "$"
|
|
} else if statement.Engine.dialect.DBType() == MSSQL {
|
|
paraStr = ":"
|
|
}
|
|
|
|
if paraStr != "" {
|
|
if strings.Contains(sqls[1], paraStr) {
|
|
dollers := strings.Split(sqls[1], paraStr)
|
|
whereStr = dollers[0]
|
|
for i, c := range dollers[1:] {
|
|
ccs := strings.SplitN(c, " ", 2)
|
|
whereStr += fmt.Sprintf(paraStr+"%v %v", i+1, ccs[1])
|
|
}
|
|
}
|
|
}
|
|
|
|
return sqls[0], fmt.Sprintf("SELECT %v FROM %v WHERE %v",
|
|
statement.Engine.Quote(statement.RefTable.PrimaryKeys[0]), statement.Engine.Quote(statement.TableName()),
|
|
whereStr)
|
|
}
|
|
|
|
func (session *Session) cacheInsert(tables ...string) error {
|
|
if session.Statement.RefTable == nil || len(session.Statement.RefTable.PrimaryKeys) != 1 {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
table := session.Statement.RefTable
|
|
cacher := table.Cacher
|
|
|
|
for _, t := range tables {
|
|
session.Engine.LogDebug("cache clear:", t)
|
|
cacher.ClearIds(t)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (session *Session) cacheUpdate(sqlStr string, args ...interface{}) error {
|
|
if session.Statement.RefTable == nil || len(session.Statement.RefTable.PrimaryKeys) != 1 {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
oldhead, newsql := session.Statement.convertUpdateSql(sqlStr)
|
|
if newsql == "" {
|
|
return ErrCacheFailed
|
|
}
|
|
for _, filter := range session.Engine.Filters {
|
|
newsql = filter.Do(newsql, session)
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] new sql", oldhead, newsql)
|
|
|
|
var nStart int
|
|
if len(args) > 0 {
|
|
if strings.Index(sqlStr, "?") > -1 {
|
|
nStart = strings.Count(oldhead, "?")
|
|
} else {
|
|
// only for pq, TODO: if any other databse?
|
|
nStart = strings.Count(oldhead, "$")
|
|
}
|
|
}
|
|
table := session.Statement.RefTable
|
|
cacher := table.Cacher
|
|
tableName := session.Statement.TableName()
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] get cache sql", newsql, args[nStart:])
|
|
ids, err := getCacheSql(cacher, tableName, newsql, args[nStart:])
|
|
if err != nil {
|
|
resultsSlice, err := session.query(newsql, args[nStart:]...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] find updated id", resultsSlice)
|
|
|
|
ids = make([]int64, 0)
|
|
if len(resultsSlice) > 0 {
|
|
for _, data := range resultsSlice {
|
|
var id int64
|
|
if v, ok := data[session.Statement.RefTable.PrimaryKeys[0]]; !ok {
|
|
return errors.New("no id")
|
|
} else {
|
|
id, err = strconv.ParseInt(string(v), 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
ids = append(ids, id)
|
|
}
|
|
}
|
|
} /*else {
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] del cached sql:", tableName, newsql, args)
|
|
cacher.DelIds(tableName, genSqlKey(newsql, args))
|
|
}*/
|
|
|
|
for _, id := range ids {
|
|
if bean := cacher.GetBean(tableName, id); bean != nil {
|
|
sqls := splitNNoCase(sqlStr, "where", 2)
|
|
if len(sqls) == 0 || len(sqls) > 2 {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
sqls = splitNNoCase(sqls[0], "set", 2)
|
|
if len(sqls) != 2 {
|
|
return ErrCacheFailed
|
|
}
|
|
kvs := strings.Split(strings.TrimSpace(sqls[1]), ",")
|
|
for idx, kv := range kvs {
|
|
sps := strings.SplitN(kv, "=", 2)
|
|
sps2 := strings.Split(sps[0], ".")
|
|
colName := sps2[len(sps2)-1]
|
|
if strings.Contains(colName, "`") {
|
|
colName = strings.TrimSpace(strings.Replace(colName, "`", "", -1))
|
|
} else if strings.Contains(colName, session.Engine.QuoteStr()) {
|
|
colName = strings.TrimSpace(strings.Replace(colName, session.Engine.QuoteStr(), "", -1))
|
|
} else {
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] cannot find column", tableName, colName)
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
if col, ok := table.Columns[strings.ToLower(colName)]; ok {
|
|
fieldValue := col.ValueOf(bean)
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] set bean field", bean, colName, fieldValue.Interface())
|
|
if col.IsVersion && session.Statement.checkVersion {
|
|
fieldValue.SetInt(fieldValue.Int() + 1)
|
|
} else {
|
|
fieldValue.Set(reflect.ValueOf(args[idx]))
|
|
}
|
|
} else {
|
|
session.Engine.LogError("[xorm:cacheUpdate] ERROR: column %v is not table %v's",
|
|
colName, table.Name)
|
|
}
|
|
}
|
|
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] update cache", tableName, id, bean)
|
|
cacher.PutBean(tableName, id, bean)
|
|
}
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheUpdate] clear cached table sql:", tableName)
|
|
cacher.ClearIds(tableName)
|
|
return nil
|
|
}
|
|
|
|
// Update records, bean's non-empty fields are updated contents,
|
|
// condiBean' non-empty filds are conditions
|
|
// CAUTION:
|
|
// 1.bool will defaultly be updated content nor conditions
|
|
// You should call UseBool if you have bool to use.
|
|
// 2.float32 & float64 may be not inexact as conditions
|
|
func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int64, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
t := rType(bean)
|
|
|
|
var colNames []string
|
|
var args []interface{}
|
|
var table *Table
|
|
|
|
// handle before update processors
|
|
for _, closure := range session.beforeClosures {
|
|
closure(bean)
|
|
}
|
|
cleanupProcessorsClosures(&session.beforeClosures) // cleanup after used
|
|
if processor, ok := interface{}(bean).(BeforeUpdateProcessor); ok {
|
|
processor.BeforeUpdate()
|
|
}
|
|
// --
|
|
|
|
if t.Kind() == reflect.Struct {
|
|
table = session.Engine.autoMap(bean)
|
|
session.Statement.RefTable = table
|
|
|
|
if session.Statement.ColumnStr == "" {
|
|
colNames, args = buildConditions(session.Engine, table, bean, false, false,
|
|
false, false, session.Statement.allUseBool, session.Statement.useAllCols,
|
|
session.Statement.mustColumnMap)
|
|
} else {
|
|
colNames, args, err = table.genCols(session, bean, true, true)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
}
|
|
} else if t.Kind() == reflect.Map {
|
|
if session.Statement.RefTable == nil {
|
|
return 0, ErrTableNotFound
|
|
}
|
|
table = session.Statement.RefTable
|
|
colNames = make([]string, 0)
|
|
args = make([]interface{}, 0)
|
|
bValue := reflect.Indirect(reflect.ValueOf(bean))
|
|
|
|
for _, v := range bValue.MapKeys() {
|
|
colNames = append(colNames, session.Engine.Quote(v.String())+" = ?")
|
|
args = append(args, bValue.MapIndex(v).Interface())
|
|
}
|
|
} else {
|
|
return 0, ErrParamsType
|
|
}
|
|
|
|
if session.Statement.UseAutoTime && table.Updated != "" {
|
|
colNames = append(colNames, session.Engine.Quote(table.Updated)+" = ?")
|
|
args = append(args, session.Engine.NowTime(table.Columns[table.Updated].SQLType.Name))
|
|
}
|
|
|
|
var condiColNames []string
|
|
var condiArgs []interface{}
|
|
|
|
if len(condiBean) > 0 {
|
|
condiColNames, condiArgs = buildConditions(session.Engine, session.Statement.RefTable, condiBean[0], true, true,
|
|
false, true, session.Statement.allUseBool, session.Statement.useAllCols,
|
|
session.Statement.mustColumnMap)
|
|
}
|
|
|
|
var condition = ""
|
|
session.Statement.processIdParam()
|
|
st := session.Statement
|
|
defer session.Statement.Init()
|
|
if st.WhereStr != "" {
|
|
condition = fmt.Sprintf("%v", st.WhereStr)
|
|
}
|
|
|
|
if condition == "" {
|
|
if len(condiColNames) > 0 {
|
|
condition = fmt.Sprintf("%v", strings.Join(condiColNames, " AND "))
|
|
}
|
|
} else {
|
|
if len(condiColNames) > 0 {
|
|
condition = fmt.Sprintf("(%v) AND (%v)", condition, strings.Join(condiColNames, " AND "))
|
|
}
|
|
}
|
|
|
|
var sqlStr, inSql string
|
|
var inArgs []interface{}
|
|
doIncVer := false
|
|
var verValue reflect.Value
|
|
if table.Version != "" && session.Statement.checkVersion {
|
|
if condition != "" {
|
|
condition = fmt.Sprintf("WHERE (%v) AND %v = ?", condition,
|
|
session.Engine.Quote(table.Version))
|
|
} else {
|
|
condition = fmt.Sprintf("WHERE %v = ?", session.Engine.Quote(table.Version))
|
|
}
|
|
inSql, inArgs = session.Statement.genInSql()
|
|
if len(inSql) > 0 {
|
|
if condition != "" {
|
|
condition += " AND " + inSql
|
|
} else {
|
|
condition = "WHERE " + inSql
|
|
}
|
|
}
|
|
|
|
sqlStr = fmt.Sprintf("UPDATE %v SET %v, %v %v",
|
|
session.Engine.Quote(session.Statement.TableName()),
|
|
strings.Join(colNames, ", "),
|
|
session.Engine.Quote(table.Version)+" = "+session.Engine.Quote(table.Version)+" + 1",
|
|
condition)
|
|
|
|
verValue = table.VersionColumn().ValueOf(bean)
|
|
//if err != nil {
|
|
// return 0, err
|
|
//}
|
|
|
|
condiArgs = append(condiArgs, verValue.Interface())
|
|
doIncVer = true
|
|
} else {
|
|
if condition != "" {
|
|
condition = "WHERE " + condition
|
|
}
|
|
inSql, inArgs = session.Statement.genInSql()
|
|
if len(inSql) > 0 {
|
|
if condition != "" {
|
|
condition += " AND " + inSql
|
|
} else {
|
|
condition = "WHERE " + inSql
|
|
}
|
|
}
|
|
|
|
sqlStr = fmt.Sprintf("UPDATE %v SET %v %v",
|
|
session.Engine.Quote(session.Statement.TableName()),
|
|
strings.Join(colNames, ", "),
|
|
condition)
|
|
}
|
|
|
|
args = append(args, st.Params...)
|
|
args = append(args, inArgs...)
|
|
args = append(args, condiArgs...)
|
|
|
|
res, err := session.exec(sqlStr, args...)
|
|
if err != nil {
|
|
return 0, err
|
|
} else if doIncVer {
|
|
verValue.SetInt(verValue.Int() + 1)
|
|
}
|
|
|
|
if table.Cacher != nil && session.Statement.UseCache {
|
|
//session.cacheUpdate(sqlStr, args...)
|
|
table.Cacher.ClearIds(session.Statement.TableName())
|
|
table.Cacher.ClearBeans(session.Statement.TableName())
|
|
}
|
|
|
|
// handle after update processors
|
|
if session.IsAutoCommit {
|
|
for _, closure := range session.afterClosures {
|
|
closure(bean)
|
|
}
|
|
if processor, ok := interface{}(bean).(AfterUpdateProcessor); ok {
|
|
session.Engine.LogDebug(session.Statement.TableName(), " has after update processor")
|
|
processor.AfterUpdate()
|
|
}
|
|
} else {
|
|
lenAfterClosures := len(session.afterClosures)
|
|
if lenAfterClosures > 0 {
|
|
if value, has := session.afterUpdateBeans[bean]; has && value != nil {
|
|
*value = append(*value, session.afterClosures...)
|
|
} else {
|
|
afterClosures := make([]func(interface{}), lenAfterClosures)
|
|
copy(afterClosures, session.afterClosures)
|
|
session.afterUpdateBeans[bean] = &afterClosures
|
|
}
|
|
|
|
} else {
|
|
if _, ok := interface{}(bean).(AfterInsertProcessor); ok {
|
|
session.afterUpdateBeans[bean] = nil
|
|
}
|
|
}
|
|
}
|
|
cleanupProcessorsClosures(&session.afterClosures) // cleanup after used
|
|
// --
|
|
|
|
return res.RowsAffected()
|
|
}
|
|
|
|
func (session *Session) cacheDelete(sqlStr string, args ...interface{}) error {
|
|
if session.Statement.RefTable == nil || len(session.Statement.RefTable.PrimaryKeys) != 1 {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
for _, filter := range session.Engine.Filters {
|
|
sqlStr = filter.Do(sqlStr, session)
|
|
}
|
|
|
|
newsql := session.Statement.convertIdSql(sqlStr)
|
|
if newsql == "" {
|
|
return ErrCacheFailed
|
|
}
|
|
|
|
cacher := session.Statement.RefTable.Cacher
|
|
tableName := session.Statement.TableName()
|
|
ids, err := getCacheSql(cacher, tableName, newsql, args)
|
|
if err != nil {
|
|
resultsSlice, err := session.query(newsql, args...)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ids = make([]int64, 0)
|
|
if len(resultsSlice) > 0 {
|
|
for _, data := range resultsSlice {
|
|
var id int64
|
|
if v, ok := data[session.Statement.RefTable.PrimaryKeys[0]]; !ok {
|
|
return errors.New("no id")
|
|
} else {
|
|
id, err = strconv.ParseInt(string(v), 10, 64)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
ids = append(ids, id)
|
|
}
|
|
}
|
|
} /*else {
|
|
session.Engine.LogDebug("delete cache sql %v", newsql)
|
|
cacher.DelIds(tableName, genSqlKey(newsql, args))
|
|
}*/
|
|
|
|
for _, id := range ids {
|
|
session.Engine.LogDebug("[xorm:cacheDelete] delete cache obj", tableName, id)
|
|
cacher.DelBean(tableName, id)
|
|
}
|
|
session.Engine.LogDebug("[xorm:cacheDelete] clear cache table", tableName)
|
|
cacher.ClearIds(tableName)
|
|
return nil
|
|
}
|
|
|
|
// Delete records, bean's non-empty fields are conditions
|
|
func (session *Session) Delete(bean interface{}) (int64, error) {
|
|
err := session.newDb()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer session.Statement.Init()
|
|
if session.IsAutoClose {
|
|
defer session.Close()
|
|
}
|
|
|
|
// handle before delete processors
|
|
for _, closure := range session.beforeClosures {
|
|
closure(bean)
|
|
}
|
|
cleanupProcessorsClosures(&session.beforeClosures)
|
|
|
|
if processor, ok := interface{}(bean).(BeforeDeleteProcessor); ok {
|
|
processor.BeforeDelete()
|
|
}
|
|
// --
|
|
|
|
table := session.Engine.autoMap(bean)
|
|
session.Statement.RefTable = table
|
|
colNames, args := buildConditions(session.Engine, table, bean, true, true,
|
|
false, true, session.Statement.allUseBool, session.Statement.useAllCols,
|
|
session.Statement.mustColumnMap)
|
|
|
|
var condition = ""
|
|
|
|
session.Statement.processIdParam()
|
|
if session.Statement.WhereStr != "" {
|
|
condition = session.Statement.WhereStr
|
|
if len(colNames) > 0 {
|
|
condition += " AND " + strings.Join(colNames, " AND ")
|
|
}
|
|
} else {
|
|
condition = strings.Join(colNames, " AND ")
|
|
}
|
|
inSql, inArgs := session.Statement.genInSql()
|
|
if len(inSql) > 0 {
|
|
if len(condition) > 0 {
|
|
condition += " AND "
|
|
}
|
|
condition += inSql
|
|
args = append(args, inArgs...)
|
|
}
|
|
if len(condition) == 0 {
|
|
return 0, ErrNeedDeletedCond
|
|
}
|
|
|
|
sqlStr := fmt.Sprintf("DELETE FROM %v WHERE %v",
|
|
session.Engine.Quote(session.Statement.TableName()), condition)
|
|
|
|
args = append(session.Statement.Params, args...)
|
|
|
|
if table.Cacher != nil && session.Statement.UseCache {
|
|
session.cacheDelete(sqlStr, args...)
|
|
}
|
|
|
|
res, err := session.exec(sqlStr, args...)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
// handle after delete processors
|
|
if session.IsAutoCommit {
|
|
for _, closure := range session.afterClosures {
|
|
closure(bean)
|
|
}
|
|
if processor, ok := interface{}(bean).(AfterDeleteProcessor); ok {
|
|
processor.AfterDelete()
|
|
}
|
|
} else {
|
|
lenAfterClosures := len(session.afterClosures)
|
|
if lenAfterClosures > 0 {
|
|
if value, has := session.afterDeleteBeans[bean]; has && value != nil {
|
|
*value = append(*value, session.afterClosures...)
|
|
} else {
|
|
afterClosures := make([]func(interface{}), lenAfterClosures)
|
|
copy(afterClosures, session.afterClosures)
|
|
session.afterDeleteBeans[bean] = &afterClosures
|
|
}
|
|
|
|
} else {
|
|
if _, ok := interface{}(bean).(AfterInsertProcessor); ok {
|
|
session.afterDeleteBeans[bean] = nil
|
|
}
|
|
}
|
|
}
|
|
cleanupProcessorsClosures(&session.afterClosures)
|
|
// --
|
|
|
|
return res.RowsAffected()
|
|
}
|