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			Vendored
		
	
	
	
			
		
		
	
	
			913 lines
		
	
	
	
		
			25 KiB
		
	
	
	
		
			Go
		
	
	
	
		
			Vendored
		
	
	
	
// Copyright 2015 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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	"context"
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	"crypto/rand"
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	"crypto/sha256"
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	"database/sql"
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	"encoding/hex"
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						||
	"errors"
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	"fmt"
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	"hash/crc32"
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	"io"
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	"reflect"
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	"strings"
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	"time"
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	"xorm.io/xorm/contexts"
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	"xorm.io/xorm/convert"
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	"xorm.io/xorm/core"
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	"xorm.io/xorm/internal/json"
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	"xorm.io/xorm/internal/statements"
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	"xorm.io/xorm/log"
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	"xorm.io/xorm/schemas"
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)
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// ErrFieldIsNotExist columns does not exist
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type ErrFieldIsNotExist struct {
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	FieldName string
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	TableName string
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}
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func (e ErrFieldIsNotExist) Error() string {
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	return fmt.Sprintf("field %s is not valid on table %s", e.FieldName, e.TableName)
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}
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// ErrFieldIsNotValid is not valid
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type ErrFieldIsNotValid struct {
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	FieldName string
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	TableName string
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}
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func (e ErrFieldIsNotValid) Error() string {
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	return fmt.Sprintf("field %s is not valid on table %s", e.FieldName, e.TableName)
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}
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type sessionType bool
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const (
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	engineSession sessionType = false
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	groupSession  sessionType = true
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)
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// Session keep a pointer to sql.DB and provides all execution of all
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// kind of database operations.
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type Session struct {
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	engine                 *Engine
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	tx                     *core.Tx
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	statement              *statements.Statement
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	isAutoCommit           bool
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	isCommitedOrRollbacked bool
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	isAutoClose            bool
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	isClosed               bool
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	prepareStmt            bool
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	// Automatically reset the statement after operations that execute a SQL
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	// query such as Count(), Find(), Get(), ...
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	autoResetStatement bool
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	// !nashtsai! storing these beans due to yet committed tx
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	afterInsertBeans map[interface{}]*[]func(interface{})
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	afterUpdateBeans map[interface{}]*[]func(interface{})
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	afterDeleteBeans map[interface{}]*[]func(interface{})
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	// --
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	beforeClosures  []func(interface{})
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	afterClosures   []func(interface{})
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	afterProcessors []executedProcessor
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	stmtCache map[uint32]*core.Stmt //key: hash.Hash32 of (queryStr, len(queryStr))
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	lastSQL     string
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	lastSQLArgs []interface{}
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	ctx         context.Context
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	sessionType sessionType
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}
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func newSessionID() string {
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	hash := sha256.New()
 | 
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	_, err := io.CopyN(hash, rand.Reader, 50)
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						||
	if err != nil {
 | 
						||
		return "????????????????????"
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	}
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	md := hash.Sum(nil)
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	mdStr := hex.EncodeToString(md)
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	return mdStr[0:20]
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}
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func newSession(engine *Engine) *Session {
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	var ctx context.Context
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						||
	if engine.logSessionID {
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		ctx = context.WithValue(engine.defaultContext, log.SessionIDKey, newSessionID())
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	} else {
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		ctx = engine.defaultContext
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	}
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	session := &Session{
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		ctx:    ctx,
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		engine: engine,
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		tx:     nil,
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		statement: statements.NewStatement(
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			engine.dialect,
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			engine.tagParser,
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			engine.DatabaseTZ,
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		),
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		isClosed:               false,
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		isAutoCommit:           true,
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		isCommitedOrRollbacked: false,
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		isAutoClose:            false,
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		autoResetStatement:     true,
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		prepareStmt:            false,
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		afterInsertBeans: make(map[interface{}]*[]func(interface{}), 0),
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		afterUpdateBeans: make(map[interface{}]*[]func(interface{}), 0),
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		afterDeleteBeans: make(map[interface{}]*[]func(interface{}), 0),
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		beforeClosures:   make([]func(interface{}), 0),
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		afterClosures:    make([]func(interface{}), 0),
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		afterProcessors:  make([]executedProcessor, 0),
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		stmtCache:        make(map[uint32]*core.Stmt),
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		lastSQL:     "",
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		lastSQLArgs: make([]interface{}, 0),
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		sessionType: engineSession,
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	}
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	if engine.logSessionID {
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		session.ctx = context.WithValue(session.ctx, log.SessionKey, session)
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	}
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	return session
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}
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// Close release the connection from pool
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func (session *Session) Close() error {
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	for _, v := range session.stmtCache {
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		if err := v.Close(); err != nil {
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			return err
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		}
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	}
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	if !session.isClosed {
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		// When Close be called, if session is a transaction and do not call
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		// Commit or Rollback, then call Rollback.
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		if session.tx != nil && !session.isCommitedOrRollbacked {
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			if err := session.Rollback(); err != nil {
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				return err
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			}
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		}
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		session.tx = nil
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		session.stmtCache = nil
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		session.isClosed = true
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	}
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	return nil
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}
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func (session *Session) db() *core.DB {
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	return session.engine.db
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}
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// Engine returns session Engine
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func (session *Session) Engine() *Engine {
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	return session.engine
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}
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func (session *Session) getQueryer() core.Queryer {
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	if session.tx != nil {
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		return session.tx
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	}
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	return session.db()
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}
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// ContextCache enable context cache or not
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func (session *Session) ContextCache(context contexts.ContextCache) *Session {
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	session.statement.SetContextCache(context)
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	return session
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}
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// IsClosed returns if session is closed
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func (session *Session) IsClosed() bool {
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	return session.isClosed
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}
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func (session *Session) resetStatement() {
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	if session.autoResetStatement {
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		session.statement.Reset()
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	}
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}
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// Prepare set a flag to session that should be prepare statement before execute query
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func (session *Session) Prepare() *Session {
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	session.prepareStmt = true
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	return session
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}
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// Before Apply before Processor, affected bean is passed to closure arg
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func (session *Session) Before(closures func(interface{})) *Session {
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	if closures != nil {
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		session.beforeClosures = append(session.beforeClosures, closures)
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	}
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	return session
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}
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// After Apply after Processor, affected bean is passed to closure arg
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func (session *Session) After(closures func(interface{})) *Session {
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	if closures != nil {
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		session.afterClosures = append(session.afterClosures, closures)
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	}
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	return session
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}
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// Table can input a string or pointer to struct for special a table to operate.
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func (session *Session) Table(tableNameOrBean interface{}) *Session {
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	if err := session.statement.SetTable(tableNameOrBean); err != nil {
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		session.statement.LastError = err
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	}
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	return session
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}
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// Alias set the table alias
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func (session *Session) Alias(alias string) *Session {
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	session.statement.Alias(alias)
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	return session
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}
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// NoCascade indicate that no cascade load child object
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func (session *Session) NoCascade() *Session {
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	session.statement.UseCascade = false
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	return session
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}
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// ForUpdate Set Read/Write locking for UPDATE
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func (session *Session) ForUpdate() *Session {
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	session.statement.IsForUpdate = true
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	return session
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}
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// NoAutoCondition disable generate SQL condition from beans
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func (session *Session) NoAutoCondition(no ...bool) *Session {
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	session.statement.SetNoAutoCondition(no...)
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	return session
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}
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// Limit provide limit and offset query condition
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func (session *Session) Limit(limit int, start ...int) *Session {
 | 
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	session.statement.Limit(limit, start...)
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	return session
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}
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// OrderBy provide order by query condition, the input parameter is the content
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// after order by on a sql statement.
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func (session *Session) OrderBy(order string) *Session {
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	session.statement.OrderBy(order)
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	return session
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						||
}
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// Desc provide desc order by query condition, the input parameters are columns.
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func (session *Session) Desc(colNames ...string) *Session {
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	session.statement.Desc(colNames...)
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	return session
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}
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// Asc provide asc order by query condition, the input parameters are columns.
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func (session *Session) Asc(colNames ...string) *Session {
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	session.statement.Asc(colNames...)
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	return session
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}
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// StoreEngine is only avialble mysql dialect currently
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func (session *Session) StoreEngine(storeEngine string) *Session {
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	session.statement.StoreEngine = storeEngine
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	return session
 | 
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}
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// Charset is only avialble mysql dialect currently
 | 
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func (session *Session) Charset(charset string) *Session {
 | 
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	session.statement.Charset = charset
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	return session
 | 
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}
 | 
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 | 
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// Cascade indicates if loading sub Struct
 | 
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func (session *Session) Cascade(trueOrFalse ...bool) *Session {
 | 
						||
	if len(trueOrFalse) >= 1 {
 | 
						||
		session.statement.UseCascade = trueOrFalse[0]
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						||
	}
 | 
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	return session
 | 
						||
}
 | 
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 | 
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// MustLogSQL means record SQL or not and don't follow engine's setting
 | 
						||
func (session *Session) MustLogSQL(logs ...bool) *Session {
 | 
						||
	var showSQL = true
 | 
						||
	if len(logs) > 0 {
 | 
						||
		showSQL = logs[0]
 | 
						||
	}
 | 
						||
	session.ctx = context.WithValue(session.ctx, log.SessionShowSQLKey, showSQL)
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
// NoCache ask this session do not retrieve data from cache system and
 | 
						||
// get data from database directly.
 | 
						||
func (session *Session) NoCache() *Session {
 | 
						||
	session.statement.UseCache = false
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
// Join join_operator should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
 | 
						||
func (session *Session) Join(joinOperator string, tablename interface{}, condition string, args ...interface{}) *Session {
 | 
						||
	session.statement.Join(joinOperator, tablename, condition, args...)
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
// GroupBy Generate Group By statement
 | 
						||
func (session *Session) GroupBy(keys string) *Session {
 | 
						||
	session.statement.GroupBy(keys)
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
// Having Generate Having statement
 | 
						||
func (session *Session) Having(conditions string) *Session {
 | 
						||
	session.statement.Having(conditions)
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
// DB db return the wrapper of sql.DB
 | 
						||
func (session *Session) DB() *core.DB {
 | 
						||
	return session.db()
 | 
						||
}
 | 
						||
 | 
						||
func (session *Session) canCache() bool {
 | 
						||
	if session.statement.RefTable == nil ||
 | 
						||
		session.statement.JoinStr != "" ||
 | 
						||
		session.statement.RawSQL != "" ||
 | 
						||
		!session.statement.UseCache ||
 | 
						||
		session.statement.IsForUpdate ||
 | 
						||
		session.tx != nil ||
 | 
						||
		len(session.statement.SelectStr) > 0 {
 | 
						||
		return false
 | 
						||
	}
 | 
						||
	return true
 | 
						||
}
 | 
						||
 | 
						||
func (session *Session) doPrepare(db *core.DB, sqlStr string) (stmt *core.Stmt, err error) {
 | 
						||
	crc := crc32.ChecksumIEEE([]byte(sqlStr))
 | 
						||
	// TODO try hash(sqlStr+len(sqlStr))
 | 
						||
	var has bool
 | 
						||
	stmt, has = session.stmtCache[crc]
 | 
						||
	if !has {
 | 
						||
		stmt, err = db.PrepareContext(session.ctx, sqlStr)
 | 
						||
		if err != nil {
 | 
						||
			return nil, err
 | 
						||
		}
 | 
						||
		session.stmtCache[crc] = stmt
 | 
						||
	}
 | 
						||
	return
 | 
						||
}
 | 
						||
 | 
						||
func (session *Session) getField(dataStruct *reflect.Value, key string, table *schemas.Table, idx int) (*reflect.Value, error) {
 | 
						||
	var col *schemas.Column
 | 
						||
	if col = table.GetColumnIdx(key, idx); col == nil {
 | 
						||
		return nil, ErrFieldIsNotExist{key, table.Name}
 | 
						||
	}
 | 
						||
 | 
						||
	fieldValue, err := col.ValueOfV(dataStruct)
 | 
						||
	if err != nil {
 | 
						||
		return nil, err
 | 
						||
	}
 | 
						||
 | 
						||
	if !fieldValue.IsValid() || !fieldValue.CanSet() {
 | 
						||
		return nil, ErrFieldIsNotValid{key, table.Name}
 | 
						||
	}
 | 
						||
 | 
						||
	return fieldValue, nil
 | 
						||
}
 | 
						||
 | 
						||
// Cell cell is a result of one column field
 | 
						||
type Cell *interface{}
 | 
						||
 | 
						||
func (session *Session) rows2Beans(rows *core.Rows, fields []string,
 | 
						||
	table *schemas.Table, newElemFunc func([]string) reflect.Value,
 | 
						||
	sliceValueSetFunc func(*reflect.Value, schemas.PK) error) error {
 | 
						||
	for rows.Next() {
 | 
						||
		var newValue = newElemFunc(fields)
 | 
						||
		bean := newValue.Interface()
 | 
						||
		dataStruct := newValue.Elem()
 | 
						||
 | 
						||
		// handle beforeClosures
 | 
						||
		scanResults, err := session.row2Slice(rows, fields, bean)
 | 
						||
		if err != nil {
 | 
						||
			return err
 | 
						||
		}
 | 
						||
		pk, err := session.slice2Bean(scanResults, fields, bean, &dataStruct, table)
 | 
						||
		if err != nil {
 | 
						||
			return err
 | 
						||
		}
 | 
						||
		session.afterProcessors = append(session.afterProcessors, executedProcessor{
 | 
						||
			fun: func(*Session, interface{}) error {
 | 
						||
				return sliceValueSetFunc(&newValue, pk)
 | 
						||
			},
 | 
						||
			session: session,
 | 
						||
			bean:    bean,
 | 
						||
		})
 | 
						||
	}
 | 
						||
	return nil
 | 
						||
}
 | 
						||
 | 
						||
func (session *Session) row2Slice(rows *core.Rows, fields []string, bean interface{}) ([]interface{}, error) {
 | 
						||
	for _, closure := range session.beforeClosures {
 | 
						||
		closure(bean)
 | 
						||
	}
 | 
						||
 | 
						||
	scanResults := make([]interface{}, len(fields))
 | 
						||
	for i := 0; i < len(fields); i++ {
 | 
						||
		var cell interface{}
 | 
						||
		scanResults[i] = &cell
 | 
						||
	}
 | 
						||
	if err := rows.Scan(scanResults...); err != nil {
 | 
						||
		return nil, err
 | 
						||
	}
 | 
						||
 | 
						||
	executeBeforeSet(bean, fields, scanResults)
 | 
						||
 | 
						||
	return scanResults, nil
 | 
						||
}
 | 
						||
 | 
						||
func (session *Session) slice2Bean(scanResults []interface{}, fields []string, bean interface{}, dataStruct *reflect.Value, table *schemas.Table) (schemas.PK, error) {
 | 
						||
	defer func() {
 | 
						||
		executeAfterSet(bean, fields, scanResults)
 | 
						||
	}()
 | 
						||
 | 
						||
	buildAfterProcessors(session, bean)
 | 
						||
 | 
						||
	var tempMap = make(map[string]int)
 | 
						||
	var pk schemas.PK
 | 
						||
	for ii, key := range fields {
 | 
						||
		var idx int
 | 
						||
		var ok bool
 | 
						||
		var lKey = strings.ToLower(key)
 | 
						||
		if idx, ok = tempMap[lKey]; !ok {
 | 
						||
			idx = 0
 | 
						||
		} else {
 | 
						||
			idx = idx + 1
 | 
						||
		}
 | 
						||
		tempMap[lKey] = idx
 | 
						||
 | 
						||
		fieldValue, err := session.getField(dataStruct, key, table, idx)
 | 
						||
		if err != nil {
 | 
						||
			if !strings.Contains(err.Error(), "is not valid") {
 | 
						||
				session.engine.logger.Warnf("%v", err)
 | 
						||
			}
 | 
						||
			continue
 | 
						||
		}
 | 
						||
		if fieldValue == nil {
 | 
						||
			continue
 | 
						||
		}
 | 
						||
		rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
 | 
						||
 | 
						||
		// if row is null then ignore
 | 
						||
		if rawValue.Interface() == nil {
 | 
						||
			continue
 | 
						||
		}
 | 
						||
 | 
						||
		if fieldValue.CanAddr() {
 | 
						||
			if structConvert, ok := fieldValue.Addr().Interface().(convert.Conversion); ok {
 | 
						||
				if data, err := value2Bytes(&rawValue); err == nil {
 | 
						||
					if err := structConvert.FromDB(data); err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
				} else {
 | 
						||
					return nil, err
 | 
						||
				}
 | 
						||
				continue
 | 
						||
			}
 | 
						||
		}
 | 
						||
 | 
						||
		if _, ok := fieldValue.Interface().(convert.Conversion); ok {
 | 
						||
			if data, err := value2Bytes(&rawValue); err == nil {
 | 
						||
				if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
 | 
						||
					fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
 | 
						||
				}
 | 
						||
				fieldValue.Interface().(convert.Conversion).FromDB(data)
 | 
						||
			} else {
 | 
						||
				return nil, err
 | 
						||
			}
 | 
						||
			continue
 | 
						||
		}
 | 
						||
 | 
						||
		rawValueType := reflect.TypeOf(rawValue.Interface())
 | 
						||
		vv := reflect.ValueOf(rawValue.Interface())
 | 
						||
		col := table.GetColumnIdx(key, idx)
 | 
						||
		if col.IsPrimaryKey {
 | 
						||
			pk = append(pk, rawValue.Interface())
 | 
						||
		}
 | 
						||
		fieldType := fieldValue.Type()
 | 
						||
		hasAssigned := false
 | 
						||
 | 
						||
		if col.IsJSON {
 | 
						||
			var bs []byte
 | 
						||
			if rawValueType.Kind() == reflect.String {
 | 
						||
				bs = []byte(vv.String())
 | 
						||
			} else if rawValueType.ConvertibleTo(schemas.BytesType) {
 | 
						||
				bs = vv.Bytes()
 | 
						||
			} else {
 | 
						||
				return nil, fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
 | 
						||
			}
 | 
						||
 | 
						||
			hasAssigned = true
 | 
						||
 | 
						||
			if len(bs) > 0 {
 | 
						||
				if fieldType.Kind() == reflect.String {
 | 
						||
					fieldValue.SetString(string(bs))
 | 
						||
					continue
 | 
						||
				}
 | 
						||
				if fieldValue.CanAddr() {
 | 
						||
					err := json.DefaultJSONHandler.Unmarshal(bs, fieldValue.Addr().Interface())
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
				} else {
 | 
						||
					x := reflect.New(fieldType)
 | 
						||
					err := json.DefaultJSONHandler.Unmarshal(bs, x.Interface())
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
					fieldValue.Set(x.Elem())
 | 
						||
				}
 | 
						||
			}
 | 
						||
 | 
						||
			continue
 | 
						||
		}
 | 
						||
 | 
						||
		switch fieldType.Kind() {
 | 
						||
		case reflect.Complex64, reflect.Complex128:
 | 
						||
			// TODO: reimplement this
 | 
						||
			var bs []byte
 | 
						||
			if rawValueType.Kind() == reflect.String {
 | 
						||
				bs = []byte(vv.String())
 | 
						||
			} else if rawValueType.ConvertibleTo(schemas.BytesType) {
 | 
						||
				bs = vv.Bytes()
 | 
						||
			}
 | 
						||
 | 
						||
			hasAssigned = true
 | 
						||
			if len(bs) > 0 {
 | 
						||
				if fieldValue.CanAddr() {
 | 
						||
					err := json.DefaultJSONHandler.Unmarshal(bs, fieldValue.Addr().Interface())
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
				} else {
 | 
						||
					x := reflect.New(fieldType)
 | 
						||
					err := json.DefaultJSONHandler.Unmarshal(bs, x.Interface())
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
					fieldValue.Set(x.Elem())
 | 
						||
				}
 | 
						||
			}
 | 
						||
		case reflect.Slice, reflect.Array:
 | 
						||
			switch rawValueType.Kind() {
 | 
						||
			case reflect.Slice, reflect.Array:
 | 
						||
				switch rawValueType.Elem().Kind() {
 | 
						||
				case reflect.Uint8:
 | 
						||
					if fieldType.Elem().Kind() == reflect.Uint8 {
 | 
						||
						hasAssigned = true
 | 
						||
						if col.SQLType.IsText() {
 | 
						||
							x := reflect.New(fieldType)
 | 
						||
							err := json.DefaultJSONHandler.Unmarshal(vv.Bytes(), x.Interface())
 | 
						||
							if err != nil {
 | 
						||
								return nil, err
 | 
						||
							}
 | 
						||
							fieldValue.Set(x.Elem())
 | 
						||
						} else {
 | 
						||
							if fieldValue.Len() > 0 {
 | 
						||
								for i := 0; i < fieldValue.Len(); i++ {
 | 
						||
									if i < vv.Len() {
 | 
						||
										fieldValue.Index(i).Set(vv.Index(i))
 | 
						||
									}
 | 
						||
								}
 | 
						||
							} else {
 | 
						||
								for i := 0; i < vv.Len(); i++ {
 | 
						||
									fieldValue.Set(reflect.Append(*fieldValue, vv.Index(i)))
 | 
						||
								}
 | 
						||
							}
 | 
						||
						}
 | 
						||
					}
 | 
						||
				}
 | 
						||
			}
 | 
						||
		case reflect.String:
 | 
						||
			if rawValueType.Kind() == reflect.String {
 | 
						||
				hasAssigned = true
 | 
						||
				fieldValue.SetString(vv.String())
 | 
						||
			}
 | 
						||
		case reflect.Bool:
 | 
						||
			if rawValueType.Kind() == reflect.Bool {
 | 
						||
				hasAssigned = true
 | 
						||
				fieldValue.SetBool(vv.Bool())
 | 
						||
			}
 | 
						||
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 | 
						||
			switch rawValueType.Kind() {
 | 
						||
			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 | 
						||
				hasAssigned = true
 | 
						||
				fieldValue.SetInt(vv.Int())
 | 
						||
			}
 | 
						||
		case reflect.Float32, reflect.Float64:
 | 
						||
			switch rawValueType.Kind() {
 | 
						||
			case reflect.Float32, reflect.Float64:
 | 
						||
				hasAssigned = true
 | 
						||
				fieldValue.SetFloat(vv.Float())
 | 
						||
			}
 | 
						||
		case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
 | 
						||
			switch rawValueType.Kind() {
 | 
						||
			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
 | 
						||
				hasAssigned = true
 | 
						||
				fieldValue.SetUint(vv.Uint())
 | 
						||
			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 | 
						||
				hasAssigned = true
 | 
						||
				fieldValue.SetUint(uint64(vv.Int()))
 | 
						||
			}
 | 
						||
		case reflect.Struct:
 | 
						||
			if fieldType.ConvertibleTo(schemas.TimeType) {
 | 
						||
				dbTZ := session.engine.DatabaseTZ
 | 
						||
				if col.TimeZone != nil {
 | 
						||
					dbTZ = col.TimeZone
 | 
						||
				}
 | 
						||
 | 
						||
				if rawValueType == schemas.TimeType {
 | 
						||
					hasAssigned = true
 | 
						||
 | 
						||
					t := vv.Convert(schemas.TimeType).Interface().(time.Time)
 | 
						||
 | 
						||
					z, _ := t.Zone()
 | 
						||
					// set new location if database don't save timezone or give an incorrect timezone
 | 
						||
					if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbTZ.String() { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
 | 
						||
						session.engine.logger.Debugf("empty zone key[%v] : %v | zone: %v | location: %+v\n", key, t, z, *t.Location())
 | 
						||
						t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
 | 
						||
							t.Minute(), t.Second(), t.Nanosecond(), dbTZ)
 | 
						||
					}
 | 
						||
 | 
						||
					t = t.In(session.engine.TZLocation)
 | 
						||
					fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
 | 
						||
				} else if rawValueType == schemas.IntType || rawValueType == schemas.Int64Type ||
 | 
						||
					rawValueType == schemas.Int32Type {
 | 
						||
					hasAssigned = true
 | 
						||
 | 
						||
					t := time.Unix(vv.Int(), 0).In(session.engine.TZLocation)
 | 
						||
					fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
 | 
						||
				} else {
 | 
						||
					if d, ok := vv.Interface().([]uint8); ok {
 | 
						||
						hasAssigned = true
 | 
						||
						t, err := session.byte2Time(col, d)
 | 
						||
						if err != nil {
 | 
						||
							session.engine.logger.Errorf("byte2Time error: %v", err)
 | 
						||
							hasAssigned = false
 | 
						||
						} else {
 | 
						||
							fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
 | 
						||
						}
 | 
						||
					} else if d, ok := vv.Interface().(string); ok {
 | 
						||
						hasAssigned = true
 | 
						||
						t, err := session.str2Time(col, d)
 | 
						||
						if err != nil {
 | 
						||
							session.engine.logger.Errorf("byte2Time error: %v", err)
 | 
						||
							hasAssigned = false
 | 
						||
						} else {
 | 
						||
							fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
 | 
						||
						}
 | 
						||
					} else {
 | 
						||
						return nil, fmt.Errorf("rawValueType is %v, value is %v", rawValueType, vv.Interface())
 | 
						||
					}
 | 
						||
				}
 | 
						||
			} else if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
 | 
						||
				// !<winxxp>! 增加支持sql.Scanner接口的结构,如sql.NullString
 | 
						||
				hasAssigned = true
 | 
						||
				if err := nulVal.Scan(vv.Interface()); err != nil {
 | 
						||
					session.engine.logger.Errorf("sql.Sanner error: %v", err)
 | 
						||
					hasAssigned = false
 | 
						||
				}
 | 
						||
			} else if col.IsJSON {
 | 
						||
				if rawValueType.Kind() == reflect.String {
 | 
						||
					hasAssigned = true
 | 
						||
					x := reflect.New(fieldType)
 | 
						||
					if len([]byte(vv.String())) > 0 {
 | 
						||
						err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), x.Interface())
 | 
						||
						if err != nil {
 | 
						||
							return nil, err
 | 
						||
						}
 | 
						||
						fieldValue.Set(x.Elem())
 | 
						||
					}
 | 
						||
				} else if rawValueType.Kind() == reflect.Slice {
 | 
						||
					hasAssigned = true
 | 
						||
					x := reflect.New(fieldType)
 | 
						||
					if len(vv.Bytes()) > 0 {
 | 
						||
						err := json.DefaultJSONHandler.Unmarshal(vv.Bytes(), x.Interface())
 | 
						||
						if err != nil {
 | 
						||
							return nil, err
 | 
						||
						}
 | 
						||
						fieldValue.Set(x.Elem())
 | 
						||
					}
 | 
						||
				}
 | 
						||
			} else if session.statement.UseCascade {
 | 
						||
				table, err := session.engine.tagParser.ParseWithCache(*fieldValue)
 | 
						||
				if err != nil {
 | 
						||
					return nil, err
 | 
						||
				}
 | 
						||
 | 
						||
				hasAssigned = true
 | 
						||
				if len(table.PrimaryKeys) != 1 {
 | 
						||
					return nil, errors.New("unsupported non or composited primary key cascade")
 | 
						||
				}
 | 
						||
				var pk = make(schemas.PK, len(table.PrimaryKeys))
 | 
						||
				pk[0], err = asKind(vv, rawValueType)
 | 
						||
				if err != nil {
 | 
						||
					return nil, err
 | 
						||
				}
 | 
						||
 | 
						||
				if !pk.IsZero() {
 | 
						||
					// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
 | 
						||
					// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
 | 
						||
					// property to be fetched lazily
 | 
						||
					structInter := reflect.New(fieldValue.Type())
 | 
						||
					has, err := session.ID(pk).NoCascade().get(structInter.Interface())
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
					if has {
 | 
						||
						fieldValue.Set(structInter.Elem())
 | 
						||
					} else {
 | 
						||
						return nil, errors.New("cascade obj is not exist")
 | 
						||
					}
 | 
						||
				}
 | 
						||
			}
 | 
						||
		case reflect.Ptr:
 | 
						||
			// !nashtsai! TODO merge duplicated codes above
 | 
						||
			switch fieldType {
 | 
						||
			// following types case matching ptr's native type, therefore assign ptr directly
 | 
						||
			case schemas.PtrStringType:
 | 
						||
				if rawValueType.Kind() == reflect.String {
 | 
						||
					x := vv.String()
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrBoolType:
 | 
						||
				if rawValueType.Kind() == reflect.Bool {
 | 
						||
					x := vv.Bool()
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrTimeType:
 | 
						||
				if rawValueType == schemas.PtrTimeType {
 | 
						||
					hasAssigned = true
 | 
						||
					var x = rawValue.Interface().(time.Time)
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrFloat64Type:
 | 
						||
				if rawValueType.Kind() == reflect.Float64 {
 | 
						||
					x := vv.Float()
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrUint64Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = uint64(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrInt64Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					x := vv.Int()
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrFloat32Type:
 | 
						||
				if rawValueType.Kind() == reflect.Float64 {
 | 
						||
					var x = float32(vv.Float())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrIntType:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = int(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrInt32Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = int32(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrInt8Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = int8(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrInt16Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = int16(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrUintType:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = uint(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.PtrUint32Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = uint32(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.Uint8Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = uint8(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.Uint16Type:
 | 
						||
				if rawValueType.Kind() == reflect.Int64 {
 | 
						||
					var x = uint16(vv.Int())
 | 
						||
					hasAssigned = true
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
			case schemas.Complex64Type:
 | 
						||
				var x complex64
 | 
						||
				if len([]byte(vv.String())) > 0 {
 | 
						||
					err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), &x)
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
				hasAssigned = true
 | 
						||
			case schemas.Complex128Type:
 | 
						||
				var x complex128
 | 
						||
				if len([]byte(vv.String())) > 0 {
 | 
						||
					err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), &x)
 | 
						||
					if err != nil {
 | 
						||
						return nil, err
 | 
						||
					}
 | 
						||
					fieldValue.Set(reflect.ValueOf(&x))
 | 
						||
				}
 | 
						||
				hasAssigned = true
 | 
						||
			} // switch fieldType
 | 
						||
		} // switch fieldType.Kind()
 | 
						||
 | 
						||
		// !nashtsai! for value can't be assigned directly fallback to convert to []byte then back to value
 | 
						||
		if !hasAssigned {
 | 
						||
			data, err := value2Bytes(&rawValue)
 | 
						||
			if err != nil {
 | 
						||
				return nil, err
 | 
						||
			}
 | 
						||
 | 
						||
			if err = session.bytes2Value(col, fieldValue, data); err != nil {
 | 
						||
				return nil, err
 | 
						||
			}
 | 
						||
		}
 | 
						||
	}
 | 
						||
	return pk, nil
 | 
						||
}
 | 
						||
 | 
						||
// saveLastSQL stores executed query information
 | 
						||
func (session *Session) saveLastSQL(sql string, args ...interface{}) {
 | 
						||
	session.lastSQL = sql
 | 
						||
	session.lastSQLArgs = args
 | 
						||
}
 | 
						||
 | 
						||
// LastSQL returns last query information
 | 
						||
func (session *Session) LastSQL() (string, []interface{}) {
 | 
						||
	return session.lastSQL, session.lastSQLArgs
 | 
						||
}
 | 
						||
 | 
						||
// Unscoped always disable struct tag "deleted"
 | 
						||
func (session *Session) Unscoped() *Session {
 | 
						||
	session.statement.SetUnscoped()
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
func (session *Session) incrVersionFieldValue(fieldValue *reflect.Value) {
 | 
						||
	switch fieldValue.Kind() {
 | 
						||
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
 | 
						||
		fieldValue.SetInt(fieldValue.Int() + 1)
 | 
						||
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
 | 
						||
		fieldValue.SetUint(fieldValue.Uint() + 1)
 | 
						||
	}
 | 
						||
}
 | 
						||
 | 
						||
// Context sets the context on this session
 | 
						||
func (session *Session) Context(ctx context.Context) *Session {
 | 
						||
	session.ctx = ctx
 | 
						||
	return session
 | 
						||
}
 | 
						||
 | 
						||
// PingContext test if database is ok
 | 
						||
func (session *Session) PingContext(ctx context.Context) error {
 | 
						||
	if session.isAutoClose {
 | 
						||
		defer session.Close()
 | 
						||
	}
 | 
						||
 | 
						||
	session.engine.logger.Infof("PING DATABASE %v", session.engine.DriverName())
 | 
						||
	return session.DB().PingContext(ctx)
 | 
						||
}
 |