1
0
mirror of https://github.com/gogf/gf.git synced 2025-04-05 03:05:05 +08:00
gf/contrib/drivers/pgsql/pgsql_format_upsert.go

91 lines
2.3 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package pgsql
import (
"fmt"
"github.com/gogf/gf/v2/database/gdb"
"github.com/gogf/gf/v2/errors/gcode"
"github.com/gogf/gf/v2/errors/gerror"
"github.com/gogf/gf/v2/text/gstr"
"github.com/gogf/gf/v2/util/gconv"
)
// FormatUpsert returns SQL clause of type upsert for PgSQL.
// For example: ON CONFLICT (id) DO UPDATE SET ...
func (d *Driver) FormatUpsert(columns []string, list gdb.List, option gdb.DoInsertOption) (string, error) {
if len(option.OnConflict) == 0 {
return "", gerror.NewCode(
gcode.CodeMissingParameter, `Please specify conflict columns`,
)
}
var onDuplicateStr string
if option.OnDuplicateStr != "" {
onDuplicateStr = option.OnDuplicateStr
} else if len(option.OnDuplicateMap) > 0 {
for k, v := range option.OnDuplicateMap {
if len(onDuplicateStr) > 0 {
onDuplicateStr += ","
}
switch v.(type) {
case gdb.Raw, *gdb.Raw:
onDuplicateStr += fmt.Sprintf(
"%s=%s",
d.Core.QuoteWord(k),
v,
)
case gdb.Counter, *gdb.Counter:
var counter gdb.Counter
switch value := v.(type) {
case gdb.Counter:
counter = value
case *gdb.Counter:
counter = *value
}
operator, columnVal := "+", counter.Value
if columnVal < 0 {
operator, columnVal = "-", -columnVal
}
onDuplicateStr += fmt.Sprintf(
"%s=EXCLUDED.%s%s%s",
d.QuoteWord(k),
d.QuoteWord(counter.Field),
operator,
gconv.String(columnVal),
)
default:
onDuplicateStr += fmt.Sprintf(
"%s=EXCLUDED.%s",
d.Core.QuoteWord(k),
d.Core.QuoteWord(gconv.String(v)),
)
}
}
} else {
for _, column := range columns {
// If it's SAVE operation, do not automatically update the creating time.
if d.Core.IsSoftCreatedFieldName(column) {
continue
}
if len(onDuplicateStr) > 0 {
onDuplicateStr += ","
}
onDuplicateStr += fmt.Sprintf(
"%s=EXCLUDED.%s",
d.Core.QuoteWord(column),
d.Core.QuoteWord(column),
)
}
}
conflictKeys := gstr.Join(option.OnConflict, ",")
return fmt.Sprintf("ON CONFLICT (%s) DO UPDATE SET ", conflictKeys) + onDuplicateStr, nil
}