Lunny Xiao
f9a6990ecb
All checks were successful
continuous-integration/drone/push Build is passing
Reviewed-on: #2150
79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
// Copyright 2022 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 statements
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"xorm.io/builder"
|
|
"xorm.io/xorm/dialects"
|
|
"xorm.io/xorm/internal/utils"
|
|
"xorm.io/xorm/schemas"
|
|
)
|
|
|
|
// Join The joinOP should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
|
|
func (statement *Statement) Join(joinOP string, tablename interface{}, condition string, args ...interface{}) *Statement {
|
|
var buf strings.Builder
|
|
if len(statement.JoinStr) > 0 {
|
|
fmt.Fprintf(&buf, "%v %v JOIN ", statement.JoinStr, joinOP)
|
|
} else {
|
|
fmt.Fprintf(&buf, "%v JOIN ", joinOP)
|
|
}
|
|
|
|
switch tp := tablename.(type) {
|
|
case builder.Builder:
|
|
subSQL, subQueryArgs, err := tp.ToSQL()
|
|
if err != nil {
|
|
statement.LastError = err
|
|
return statement
|
|
}
|
|
|
|
fields := strings.Split(tp.TableName(), ".")
|
|
aliasName := statement.dialect.Quoter().Trim(fields[len(fields)-1])
|
|
aliasName = schemas.CommonQuoter.Trim(aliasName)
|
|
|
|
fmt.Fprintf(&buf, "(%s) %s ON %v", statement.ReplaceQuote(subSQL), statement.quote(aliasName), statement.ReplaceQuote(condition))
|
|
statement.joinArgs = append(statement.joinArgs, subQueryArgs...)
|
|
case *builder.Builder:
|
|
subSQL, subQueryArgs, err := tp.ToSQL()
|
|
if err != nil {
|
|
statement.LastError = err
|
|
return statement
|
|
}
|
|
|
|
fields := strings.Split(tp.TableName(), ".")
|
|
aliasName := statement.dialect.Quoter().Trim(fields[len(fields)-1])
|
|
aliasName = schemas.CommonQuoter.Trim(aliasName)
|
|
|
|
fmt.Fprintf(&buf, "(%s) %s ON %v", statement.ReplaceQuote(subSQL), statement.quote(aliasName), statement.ReplaceQuote(condition))
|
|
statement.joinArgs = append(statement.joinArgs, subQueryArgs...)
|
|
default:
|
|
tbName := dialects.FullTableName(statement.dialect, statement.tagParser.GetTableMapper(), tablename, true)
|
|
if !utils.IsSubQuery(tbName) {
|
|
var buf strings.Builder
|
|
_ = statement.dialect.Quoter().QuoteTo(&buf, tbName)
|
|
tbName = buf.String()
|
|
} else {
|
|
tbName = statement.ReplaceQuote(tbName)
|
|
}
|
|
fmt.Fprintf(&buf, "%s ON %v", tbName, statement.ReplaceQuote(condition))
|
|
}
|
|
|
|
statement.JoinStr = buf.String()
|
|
statement.joinArgs = append(statement.joinArgs, args...)
|
|
return statement
|
|
}
|
|
|
|
func (statement *Statement) writeJoin(w builder.Writer) error {
|
|
if statement.JoinStr != "" {
|
|
if _, err := fmt.Fprint(w, " ", statement.JoinStr); err != nil {
|
|
return err
|
|
}
|
|
w.Append(statement.joinArgs...)
|
|
}
|
|
return nil
|
|
}
|