555 lines
15 KiB
Go
555 lines
15 KiB
Go
// Copyright 2016 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package xorm
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import (
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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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"github.com/go-xorm/core"
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)
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// Insert insert one or more beans
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func (session *Session) Insert(beans ...interface{}) (int64, error) {
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var affected int64
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var err error
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if session.isAutoClose {
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defer session.Close()
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}
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for _, bean := range beans {
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sliceValue := reflect.Indirect(reflect.ValueOf(bean))
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if sliceValue.Kind() == reflect.Slice {
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size := sliceValue.Len()
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if size > 0 {
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if session.engine.SupportInsertMany() {
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cnt, err := session.innerInsertMulti(bean)
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if err != nil {
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return affected, err
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}
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affected += cnt
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} else {
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for i := 0; i < size; i++ {
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cnt, err := session.innerInsert(sliceValue.Index(i).Interface())
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if err != nil {
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return affected, err
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}
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affected += cnt
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}
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}
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}
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} else {
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cnt, err := session.innerInsert(bean)
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if err != nil {
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return affected, err
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}
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affected += cnt
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}
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}
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return affected, err
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}
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func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error) {
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sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
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if sliceValue.Kind() != reflect.Slice {
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return 0, errors.New("needs a pointer to a slice")
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}
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if sliceValue.Len() <= 0 {
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return 0, errors.New("could not insert a empty slice")
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}
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if err := session.statement.setRefValue(reflect.ValueOf(sliceValue.Index(0).Interface())); err != nil {
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return 0, err
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}
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if len(session.statement.TableName()) <= 0 {
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return 0, ErrTableNotFound
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}
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table := session.statement.RefTable
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size := sliceValue.Len()
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var colNames []string
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var colMultiPlaces []string
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var args []interface{}
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var cols []*core.Column
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for i := 0; i < size; i++ {
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v := sliceValue.Index(i)
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vv := reflect.Indirect(v)
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elemValue := v.Interface()
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var colPlaces []string
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// handle BeforeInsertProcessor
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// !nashtsai! does user expect it's same slice to passed closure when using Before()/After() when insert multi??
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for _, closure := range session.beforeClosures {
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closure(elemValue)
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}
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if processor, ok := interface{}(elemValue).(BeforeInsertProcessor); ok {
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processor.BeforeInsert()
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}
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// --
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if i == 0 {
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for _, col := range table.Columns() {
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ptrFieldValue, err := col.ValueOfV(&vv)
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if err != nil {
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return 0, err
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}
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fieldValue := *ptrFieldValue
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if col.IsAutoIncrement && isZero(fieldValue.Interface()) {
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continue
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}
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if col.MapType == core.ONLYFROMDB {
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continue
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}
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if col.IsDeleted {
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continue
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}
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if session.statement.ColumnStr != "" {
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if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
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continue
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}
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}
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if session.statement.OmitStr != "" {
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if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
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continue
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}
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}
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if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime {
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val, t := session.engine.nowTime(col)
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args = append(args, val)
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var colName = col.Name
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session.afterClosures = append(session.afterClosures, func(bean interface{}) {
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col := table.GetColumn(colName)
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setColumnTime(bean, col, t)
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})
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} else if col.IsVersion && session.statement.checkVersion {
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args = append(args, 1)
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var colName = col.Name
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session.afterClosures = append(session.afterClosures, func(bean interface{}) {
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col := table.GetColumn(colName)
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setColumnInt(bean, col, 1)
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})
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} else {
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arg, err := session.value2Interface(col, fieldValue)
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if err != nil {
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return 0, err
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}
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args = append(args, arg)
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}
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colNames = append(colNames, col.Name)
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cols = append(cols, col)
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colPlaces = append(colPlaces, "?")
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}
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} else {
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for _, col := range cols {
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ptrFieldValue, err := col.ValueOfV(&vv)
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if err != nil {
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return 0, err
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}
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fieldValue := *ptrFieldValue
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if col.IsAutoIncrement && isZero(fieldValue.Interface()) {
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continue
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}
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if col.MapType == core.ONLYFROMDB {
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continue
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}
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if col.IsDeleted {
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continue
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}
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if session.statement.ColumnStr != "" {
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if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
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continue
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}
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}
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if session.statement.OmitStr != "" {
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if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
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continue
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}
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}
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if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime {
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val, t := session.engine.nowTime(col)
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args = append(args, val)
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var colName = col.Name
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session.afterClosures = append(session.afterClosures, func(bean interface{}) {
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col := table.GetColumn(colName)
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setColumnTime(bean, col, t)
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})
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} else if col.IsVersion && session.statement.checkVersion {
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args = append(args, 1)
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var colName = col.Name
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session.afterClosures = append(session.afterClosures, func(bean interface{}) {
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col := table.GetColumn(colName)
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setColumnInt(bean, col, 1)
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})
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} else {
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arg, err := session.value2Interface(col, fieldValue)
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if err != nil {
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return 0, err
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}
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args = append(args, arg)
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}
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colPlaces = append(colPlaces, "?")
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}
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}
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colMultiPlaces = append(colMultiPlaces, strings.Join(colPlaces, ", "))
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}
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cleanupProcessorsClosures(&session.beforeClosures)
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var sql = "INSERT INTO %s (%v%v%v) VALUES (%v)"
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var statement string
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var tableName = session.statement.TableName()
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if session.engine.dialect.DBType() == core.ORACLE {
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sql = "INSERT ALL INTO %s (%v%v%v) VALUES (%v) SELECT 1 FROM DUAL"
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temp := fmt.Sprintf(") INTO %s (%v%v%v) VALUES (",
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session.engine.Quote(tableName),
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session.engine.QuoteStr(),
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strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
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session.engine.QuoteStr())
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statement = fmt.Sprintf(sql,
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session.engine.Quote(tableName),
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session.engine.QuoteStr(),
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strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
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session.engine.QuoteStr(),
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strings.Join(colMultiPlaces, temp))
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} else {
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statement = fmt.Sprintf(sql,
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session.engine.Quote(tableName),
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session.engine.QuoteStr(),
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strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
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session.engine.QuoteStr(),
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strings.Join(colMultiPlaces, "),("))
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}
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res, err := session.exec(statement, args...)
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if err != nil {
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return 0, err
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}
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if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
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session.cacheInsert(table, tableName)
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}
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lenAfterClosures := len(session.afterClosures)
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for i := 0; i < size; i++ {
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elemValue := reflect.Indirect(sliceValue.Index(i)).Addr().Interface()
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// handle AfterInsertProcessor
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if session.isAutoCommit {
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// !nashtsai! does user expect it's same slice to passed closure when using Before()/After() when insert multi??
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for _, closure := range session.afterClosures {
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closure(elemValue)
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}
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if processor, ok := interface{}(elemValue).(AfterInsertProcessor); ok {
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processor.AfterInsert()
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}
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} else {
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if lenAfterClosures > 0 {
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if value, has := session.afterInsertBeans[elemValue]; has && value != nil {
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*value = append(*value, session.afterClosures...)
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} else {
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afterClosures := make([]func(interface{}), lenAfterClosures)
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copy(afterClosures, session.afterClosures)
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session.afterInsertBeans[elemValue] = &afterClosures
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}
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} else {
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if _, ok := interface{}(elemValue).(AfterInsertProcessor); ok {
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session.afterInsertBeans[elemValue] = nil
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}
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}
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}
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}
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cleanupProcessorsClosures(&session.afterClosures)
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return res.RowsAffected()
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}
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// InsertMulti insert multiple records
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func (session *Session) InsertMulti(rowsSlicePtr interface{}) (int64, error) {
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if session.isAutoClose {
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defer session.Close()
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}
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sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
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if sliceValue.Kind() != reflect.Slice {
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return 0, ErrParamsType
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}
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if sliceValue.Len() <= 0 {
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return 0, nil
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}
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return session.innerInsertMulti(rowsSlicePtr)
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}
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func (session *Session) innerInsert(bean interface{}) (int64, error) {
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if err := session.statement.setRefValue(rValue(bean)); err != nil {
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return 0, err
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}
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if len(session.statement.TableName()) <= 0 {
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return 0, ErrTableNotFound
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}
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table := session.statement.RefTable
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// handle BeforeInsertProcessor
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for _, closure := range session.beforeClosures {
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closure(bean)
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}
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cleanupProcessorsClosures(&session.beforeClosures) // cleanup after used
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if processor, ok := interface{}(bean).(BeforeInsertProcessor); ok {
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processor.BeforeInsert()
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}
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// --
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colNames, args, err := genCols(session.statement.RefTable, session, bean, false, false)
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if err != nil {
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return 0, err
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}
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// insert expr columns, override if exists
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exprColumns := session.statement.getExpr()
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exprColVals := make([]string, 0, len(exprColumns))
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for _, v := range exprColumns {
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// remove the expr columns
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for i, colName := range colNames {
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if colName == v.colName {
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colNames = append(colNames[:i], colNames[i+1:]...)
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args = append(args[:i], args[i+1:]...)
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}
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}
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// append expr column to the end
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colNames = append(colNames, v.colName)
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exprColVals = append(exprColVals, v.expr)
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}
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colPlaces := strings.Repeat("?, ", len(colNames)-len(exprColumns))
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if len(exprColVals) > 0 {
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colPlaces = colPlaces + strings.Join(exprColVals, ", ")
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} else {
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if len(colPlaces) > 0 {
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colPlaces = colPlaces[0 : len(colPlaces)-2]
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}
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}
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var sqlStr string
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var tableName = session.statement.TableName()
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if len(colPlaces) > 0 {
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sqlStr = fmt.Sprintf("INSERT INTO %s (%v%v%v) VALUES (%v)",
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session.engine.Quote(tableName),
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session.engine.QuoteStr(),
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strings.Join(colNames, session.engine.Quote(", ")),
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session.engine.QuoteStr(),
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colPlaces)
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} else {
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if session.engine.dialect.DBType() == core.MYSQL {
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sqlStr = fmt.Sprintf("INSERT INTO %s VALUES ()", session.engine.Quote(tableName))
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} else {
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sqlStr = fmt.Sprintf("INSERT INTO %s DEFAULT VALUES", session.engine.Quote(tableName))
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}
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}
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handleAfterInsertProcessorFunc := func(bean interface{}) {
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if session.isAutoCommit {
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for _, closure := range session.afterClosures {
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closure(bean)
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}
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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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} else {
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lenAfterClosures := len(session.afterClosures)
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if lenAfterClosures > 0 {
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if value, has := session.afterInsertBeans[bean]; has && value != nil {
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*value = append(*value, session.afterClosures...)
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} else {
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afterClosures := make([]func(interface{}), lenAfterClosures)
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copy(afterClosures, session.afterClosures)
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session.afterInsertBeans[bean] = &afterClosures
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}
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} else {
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if _, ok := interface{}(bean).(AfterInsertProcessor); ok {
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session.afterInsertBeans[bean] = nil
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}
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}
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}
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cleanupProcessorsClosures(&session.afterClosures) // cleanup after used
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}
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// for postgres, many of them didn't implement lastInsertId, so we should
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// implemented it ourself.
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if session.engine.dialect.DBType() == core.ORACLE && len(table.AutoIncrement) > 0 {
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res, err := session.queryBytes("select seq_atable.currval from dual", args...)
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if err != nil {
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return 0, err
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}
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defer handleAfterInsertProcessorFunc(bean)
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if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
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session.cacheInsert(table, tableName)
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}
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if table.Version != "" && session.statement.checkVersion {
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verValue, err := table.VersionColumn().ValueOf(bean)
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if err != nil {
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session.engine.logger.Error(err)
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} else if verValue.IsValid() && verValue.CanSet() {
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verValue.SetInt(1)
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}
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}
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if len(res) < 1 {
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return 0, errors.New("insert no error but not returned id")
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}
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idByte := res[0][table.AutoIncrement]
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id, err := strconv.ParseInt(string(idByte), 10, 64)
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if err != nil || id <= 0 {
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return 1, err
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}
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aiValue, err := table.AutoIncrColumn().ValueOf(bean)
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if err != nil {
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session.engine.logger.Error(err)
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}
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if aiValue == nil || !aiValue.IsValid() || !aiValue.CanSet() {
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return 1, nil
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}
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aiValue.Set(int64ToIntValue(id, aiValue.Type()))
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return 1, nil
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} else if session.engine.dialect.DBType() == core.POSTGRES && len(table.AutoIncrement) > 0 {
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//assert table.AutoIncrement != ""
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sqlStr = sqlStr + " RETURNING " + session.engine.Quote(table.AutoIncrement)
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res, err := session.queryBytes(sqlStr, args...)
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if err != nil {
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return 0, err
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}
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defer handleAfterInsertProcessorFunc(bean)
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if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
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session.cacheInsert(table, tableName)
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}
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if table.Version != "" && session.statement.checkVersion {
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verValue, err := table.VersionColumn().ValueOf(bean)
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if err != nil {
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session.engine.logger.Error(err)
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} else if verValue.IsValid() && verValue.CanSet() {
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verValue.SetInt(1)
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}
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}
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if len(res) < 1 {
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return 0, errors.New("insert no error but not returned id")
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}
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idByte := res[0][table.AutoIncrement]
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id, err := strconv.ParseInt(string(idByte), 10, 64)
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if err != nil || id <= 0 {
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return 1, err
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}
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aiValue, err := table.AutoIncrColumn().ValueOf(bean)
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if err != nil {
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session.engine.logger.Error(err)
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}
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if aiValue == nil || !aiValue.IsValid() || !aiValue.CanSet() {
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return 1, nil
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}
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aiValue.Set(int64ToIntValue(id, aiValue.Type()))
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return 1, nil
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} else {
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res, err := session.exec(sqlStr, args...)
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if err != nil {
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return 0, err
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}
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defer handleAfterInsertProcessorFunc(bean)
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if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
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session.cacheInsert(table, tableName)
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}
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if table.Version != "" && session.statement.checkVersion {
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verValue, err := table.VersionColumn().ValueOf(bean)
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if err != nil {
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session.engine.logger.Error(err)
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} else if verValue.IsValid() && verValue.CanSet() {
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verValue.SetInt(1)
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}
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}
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if table.AutoIncrement == "" {
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return res.RowsAffected()
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}
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var id int64
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id, err = res.LastInsertId()
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if err != nil || id <= 0 {
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return res.RowsAffected()
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}
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aiValue, err := table.AutoIncrColumn().ValueOf(bean)
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if err != nil {
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session.engine.logger.Error(err)
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}
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if aiValue == nil || !aiValue.IsValid() || !aiValue.CanSet() {
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return res.RowsAffected()
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}
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aiValue.Set(int64ToIntValue(id, aiValue.Type()))
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return res.RowsAffected()
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}
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}
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// InsertOne insert only one struct into database as a record.
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// The in parameter bean must a struct or a point to struct. The return
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// parameter is inserted and error
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func (session *Session) InsertOne(bean interface{}) (int64, error) {
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if session.isAutoClose {
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defer session.Close()
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}
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return session.innerInsert(bean)
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}
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func (session *Session) cacheInsert(table *core.Table, tables ...string) error {
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if table == nil {
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return ErrCacheFailed
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|
}
|
|
|
|
cacher := session.engine.getCacher2(table)
|
|
for _, t := range tables {
|
|
session.engine.logger.Debug("[cache] clear sql:", t)
|
|
cacher.ClearIds(t)
|
|
}
|
|
|
|
return nil
|
|
}
|