Simple and Powerful ORM for Go, support mysql,postgres,tidb,sqlite3,sqlite,mssql,oracle,cockroach https://xorm.io
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// Copyright 2015 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package dialects
import (
"fmt"
"reflect"
"strings"
"xorm.io/xorm/internal/utils"
"xorm.io/xorm/names"
)
// TableNameWithSchema will add schema prefix on table name if possible
func TableNameWithSchema(dialect Dialect, tableName string) string {
// Add schema name as prefix of table name.
// Only for postgres database.
if dialect.URI().Schema != "" &&
strings.Index(tableName, ".") == -1 {
return fmt.Sprintf("%s.%s", dialect.URI().Schema, tableName)
}
return tableName
}
// TableNameNoSchema returns table name with given tableName
func TableNameNoSchema(dialect Dialect, mapper names.Mapper, tableName interface{}) string {
quote := dialect.Quoter().Quote
switch tableName.(type) {
case []string:
t := tableName.([]string)
if len(t) > 1 {
return fmt.Sprintf("%v AS %v", quote(t[0]), quote(t[1]))
} else if len(t) == 1 {
return quote(t[0])
}
case []interface{}:
t := tableName.([]interface{})
l := len(t)
var table string
if l > 0 {
f := t[0]
switch f.(type) {
case string:
table = f.(string)
case names.TableName:
table = f.(names.TableName).TableName()
default:
v := utils.ReflectValue(f)
t := v.Type()
if t.Kind() == reflect.Struct {
table = names.GetTableName(mapper, v)
} else {
table = quote(fmt.Sprintf("%v", f))
}
}
}
if l > 1 {
return fmt.Sprintf("%v AS %v", quote(table), quote(fmt.Sprintf("%v", t[1])))
} else if l == 1 {
return quote(table)
}
case names.TableName:
return tableName.(names.TableName).TableName()
case string:
return tableName.(string)
case reflect.Value:
v := tableName.(reflect.Value)
return names.GetTableName(mapper, v)
default:
v := utils.ReflectValue(tableName)
t := v.Type()
if t.Kind() == reflect.Struct {
return names.GetTableName(mapper, v)
}
return quote(fmt.Sprintf("%v", tableName))
}
return ""
}
// FullTableName returns table name with quote and schema according parameter
func FullTableName(dialect Dialect, mapper names.Mapper, bean interface{}, includeSchema ...bool) string {
tbName := TableNameNoSchema(dialect, mapper, bean)
if len(includeSchema) > 0 && includeSchema[0] && !utils.IsSubQuery(tbName) {
tbName = TableNameWithSchema(dialect, tbName)
}
return tbName
}