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gitea/vendor/github.com/go-xorm/xorm/session_raw.go
Lunny Xiao 005900baea Use created & updated instead BeforeInsert & BeforeUpdate (#2482)
* use created & updated instead BeforeInsert & BeforeUpdate

* fix vendor checksum

* only show generated SQL when development mode

* remove extra update column updated_unix

* remove trace config
2017-09-13 08:18:22 +03:00

197 lines
4.6 KiB
Go

// Copyright 2016 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 xorm
import (
"database/sql"
"reflect"
"time"
"github.com/go-xorm/core"
)
func (session *Session) queryPreprocess(sqlStr *string, paramStr ...interface{}) {
for _, filter := range session.engine.dialect.Filters() {
*sqlStr = filter.Do(*sqlStr, session.engine.dialect, session.statement.RefTable)
}
session.lastSQL = *sqlStr
session.lastSQLArgs = paramStr
}
func (session *Session) queryRows(sqlStr string, args ...interface{}) (*core.Rows, error) {
defer session.resetStatement()
session.queryPreprocess(&sqlStr, args...)
if session.engine.showSQL {
if session.engine.showExecTime {
b4ExecTime := time.Now()
defer func() {
execDuration := time.Since(b4ExecTime)
if len(args) > 0 {
session.engine.logger.Infof("[SQL] %s %#v - took: %v", sqlStr, args, execDuration)
} else {
session.engine.logger.Infof("[SQL] %s - took: %v", sqlStr, execDuration)
}
}()
} else {
if len(args) > 0 {
session.engine.logger.Infof("[SQL] %v %#v", sqlStr, args)
} else {
session.engine.logger.Infof("[SQL] %v", sqlStr)
}
}
}
if session.isAutoCommit {
if session.prepareStmt {
// don't clear stmt since session will cache them
stmt, err := session.doPrepare(sqlStr)
if err != nil {
return nil, err
}
rows, err := stmt.Query(args...)
if err != nil {
return nil, err
}
return rows, nil
}
rows, err := session.DB().Query(sqlStr, args...)
if err != nil {
return nil, err
}
return rows, nil
}
rows, err := session.tx.Query(sqlStr, args...)
if err != nil {
return nil, err
}
return rows, nil
}
func (session *Session) queryRow(sqlStr string, args ...interface{}) *core.Row {
return core.NewRow(session.queryRows(sqlStr, args...))
}
func value2Bytes(rawValue *reflect.Value) ([]byte, error) {
str, err := value2String(rawValue)
if err != nil {
return nil, err
}
return []byte(str), nil
}
func row2map(rows *core.Rows, fields []string) (resultsMap map[string][]byte, err error) {
result := make(map[string][]byte)
scanResultContainers := make([]interface{}, len(fields))
for i := 0; i < len(fields); i++ {
var scanResultContainer interface{}
scanResultContainers[i] = &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 {
result[key] = []byte{}
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 rows2maps(rows *core.Rows) (resultsSlice []map[string][]byte, err error) {
fields, err := rows.Columns()
if err != nil {
return nil, err
}
for rows.Next() {
result, err := row2map(rows, fields)
if err != nil {
return nil, err
}
resultsSlice = append(resultsSlice, result)
}
return resultsSlice, nil
}
func (session *Session) queryBytes(sqlStr string, args ...interface{}) ([]map[string][]byte, error) {
rows, err := session.queryRows(sqlStr, args...)
if err != nil {
return nil, err
}
defer rows.Close()
return rows2maps(rows)
}
func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, error) {
defer session.resetStatement()
session.queryPreprocess(&sqlStr, args...)
if session.engine.showSQL {
if session.engine.showExecTime {
b4ExecTime := time.Now()
defer func() {
execDuration := time.Since(b4ExecTime)
if len(args) > 0 {
session.engine.logger.Infof("[SQL] %s %#v - took: %v", sqlStr, args, execDuration)
} else {
session.engine.logger.Infof("[SQL] %s - took: %v", sqlStr, execDuration)
}
}()
} else {
if len(args) > 0 {
session.engine.logger.Infof("[SQL] %v %#v", sqlStr, args)
} else {
session.engine.logger.Infof("[SQL] %v", sqlStr)
}
}
}
if !session.isAutoCommit {
return session.tx.Exec(sqlStr, args...)
}
if session.prepareStmt {
stmt, err := session.doPrepare(sqlStr)
if err != nil {
return nil, err
}
res, err := stmt.Exec(args...)
if err != nil {
return nil, err
}
return res, nil
}
return session.DB().Exec(sqlStr, args...)
}
// Exec raw sql
func (session *Session) Exec(sqlStr string, args ...interface{}) (sql.Result, error) {
if session.isAutoClose {
defer session.Close()
}
return session.exec(sqlStr, args...)
}