157 lines
3.4 KiB
Go
Vendored
157 lines
3.4 KiB
Go
Vendored
// 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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"database/sql"
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"reflect"
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"xorm.io/xorm/core"
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)
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func (session *Session) queryPreprocess(sqlStr *string, paramStr ...interface{}) {
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for _, filter := range session.engine.dialect.Filters() {
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*sqlStr = filter.Do(*sqlStr)
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}
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session.lastSQL = *sqlStr
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session.lastSQLArgs = paramStr
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}
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func (session *Session) queryRows(sqlStr string, args ...interface{}) (*core.Rows, error) {
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defer session.resetStatement()
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if session.statement.LastError != nil {
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return nil, session.statement.LastError
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}
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session.queryPreprocess(&sqlStr, args...)
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session.lastSQL = sqlStr
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session.lastSQLArgs = args
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if session.isAutoCommit {
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var db *core.DB
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if session.sessionType == groupSession {
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db = session.engine.engineGroup.Slave().DB()
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} else {
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db = session.DB()
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}
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if session.prepareStmt {
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// don't clear stmt since session will cache them
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stmt, err := session.doPrepare(db, sqlStr)
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if err != nil {
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return nil, err
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}
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rows, err := stmt.QueryContext(session.ctx, args...)
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if err != nil {
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return nil, err
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}
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return rows, nil
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}
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rows, err := db.QueryContext(session.ctx, sqlStr, args...)
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if err != nil {
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return nil, err
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}
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return rows, nil
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}
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rows, err := session.tx.QueryContext(session.ctx, sqlStr, args...)
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if err != nil {
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return nil, err
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}
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return rows, nil
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}
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func (session *Session) queryRow(sqlStr string, args ...interface{}) *core.Row {
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return core.NewRow(session.queryRows(sqlStr, args...))
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}
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func value2Bytes(rawValue *reflect.Value) ([]byte, error) {
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str, err := value2String(rawValue)
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if err != nil {
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return nil, err
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}
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return []byte(str), nil
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}
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func (session *Session) rows2maps(rows *core.Rows) (resultsSlice []map[string][]byte, err error) {
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fields, err := rows.Columns()
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if err != nil {
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return nil, err
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}
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types, err := rows.ColumnTypes()
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if err != nil {
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return nil, err
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}
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for rows.Next() {
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result, err := session.engine.row2mapBytes(rows, types, fields)
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if err != nil {
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return nil, err
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}
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resultsSlice = append(resultsSlice, result)
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}
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return resultsSlice, nil
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}
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func (session *Session) queryBytes(sqlStr string, args ...interface{}) ([]map[string][]byte, error) {
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rows, err := session.queryRows(sqlStr, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return session.rows2maps(rows)
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}
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func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, error) {
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defer session.resetStatement()
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session.queryPreprocess(&sqlStr, args...)
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session.lastSQL = sqlStr
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session.lastSQLArgs = args
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if !session.isAutoCommit {
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return session.tx.ExecContext(session.ctx, sqlStr, args...)
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}
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if session.prepareStmt {
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stmt, err := session.doPrepare(session.DB(), sqlStr)
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if err != nil {
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return nil, err
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}
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res, err := stmt.ExecContext(session.ctx, args...)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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return session.DB().ExecContext(session.ctx, sqlStr, args...)
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}
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// Exec raw sql
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func (session *Session) Exec(sqlOrArgs ...interface{}) (sql.Result, error) {
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if session.isAutoClose {
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defer session.Close()
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}
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if len(sqlOrArgs) == 0 {
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return nil, ErrUnSupportedType
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}
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sqlStr, args, err := session.statement.ConvertSQLOrArgs(sqlOrArgs...)
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if err != nil {
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return nil, err
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}
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return session.exec(sqlStr, args...)
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}
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