2014-02-12 21:49:46 +04:00
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// Copyright 2014 The Gogs Authors. All rights reserved.
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2018-06-20 08:06:01 +03:00
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// Copyright 2018 The Gitea Authors. All rights reserved.
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2022-11-27 21:20:29 +03:00
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// SPDX-License-Identifier: MIT
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2014-02-12 21:49:46 +04:00
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2021-09-19 14:49:59 +03:00
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package db
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2014-02-13 19:23:23 +04:00
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2014-02-19 02:48:02 +04:00
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import (
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2019-12-15 12:51:28 +03:00
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"context"
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2014-10-19 09:35:24 +04:00
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"database/sql"
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2014-02-19 02:48:02 +04:00
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"fmt"
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2021-09-19 14:49:59 +03:00
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"io"
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2020-09-07 00:52:01 +03:00
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"reflect"
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"strings"
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2014-02-19 02:48:02 +04:00
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2017-10-27 09:10:54 +03:00
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"code.gitea.io/gitea/modules/setting"
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2019-10-17 12:26:49 +03:00
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"xorm.io/xorm"
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2020-03-22 18:12:55 +03:00
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"xorm.io/xorm/names"
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"xorm.io/xorm/schemas"
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2016-11-26 03:20:18 +03:00
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2021-11-17 15:34:35 +03:00
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_ "github.com/denisenkom/go-mssqldb" // Needed for the MSSQL driver
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_ "github.com/go-sql-driver/mysql" // Needed for the MySQL driver
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_ "github.com/lib/pq" // Needed for the Postgresql driver
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2014-02-19 02:48:02 +04:00
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)
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2014-02-13 19:23:23 +04:00
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2021-09-19 14:49:59 +03:00
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var (
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x *xorm.Engine
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tables []any
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initFuncs []func() error
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// HasEngine specifies if we have a xorm.Engine
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HasEngine bool
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)
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2014-10-19 09:35:24 +04:00
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// Engine represents a xorm engine or session.
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type Engine interface {
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Table(tableNameOrBean any) *xorm.Session
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Count(...any) (int64, error)
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Decr(column string, arg ...any) *xorm.Session
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Delete(...any) (int64, error)
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Truncate(...any) (int64, error)
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Exec(...any) (sql.Result, error)
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Find(any, ...any) error
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Get(beans ...any) (bool, error)
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ID(any) *xorm.Session
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In(string, ...any) *xorm.Session
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Incr(column string, arg ...any) *xorm.Session
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Insert(...any) (int64, error)
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Iterate(any, xorm.IterFunc) error
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Join(joinOperator string, tablename, condition any, args ...any) *xorm.Session
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SQL(any, ...any) *xorm.Session
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Where(any, ...any) *xorm.Session
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2019-06-12 22:41:28 +03:00
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Asc(colNames ...string) *xorm.Session
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2020-08-17 06:07:38 +03:00
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Desc(colNames ...string) *xorm.Session
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2020-01-24 22:00:29 +03:00
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Limit(limit int, start ...int) *xorm.Session
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NoAutoTime() *xorm.Session
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SumInt(bean any, columnName string) (res int64, err error)
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2023-08-13 22:17:21 +03:00
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Sync(...any) error
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Select(string) *xorm.Session
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NotIn(string, ...any) *xorm.Session
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OrderBy(any, ...any) *xorm.Session
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Exist(...any) (bool, error)
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Distinct(...string) *xorm.Session
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Query(...any) ([]map[string][]byte, error)
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Cols(...string) *xorm.Session
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Context(ctx context.Context) *xorm.Session
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2022-01-27 11:30:51 +03:00
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Ping() error
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2014-10-19 09:35:24 +04:00
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}
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2021-09-19 14:49:59 +03:00
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// TableInfo returns table's information via an object
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func TableInfo(v any) (*schemas.Table, error) {
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return x.TableInfo(v)
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}
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2020-02-15 13:51:25 +03:00
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2021-09-19 14:49:59 +03:00
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// DumpTables dump tables information
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func DumpTables(tables []*schemas.Table, w io.Writer, tp ...schemas.DBType) error {
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return x.DumpTables(tables, w, tp...)
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}
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2016-11-26 03:20:18 +03:00
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2021-09-19 14:49:59 +03:00
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// RegisterModel registers model, if initfunc provided, it will be invoked after data model sync
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2023-07-04 21:36:08 +03:00
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func RegisterModel(bean any, initFunc ...func() error) {
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tables = append(tables, bean)
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if len(initFuncs) > 0 && initFunc[0] != nil {
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initFuncs = append(initFuncs, initFunc[0])
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}
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}
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2014-03-21 09:48:10 +04:00
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2014-04-05 18:46:32 +04:00
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func init() {
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2016-11-26 03:20:18 +03:00
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gonicNames := []string{"SSL", "UID"}
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2015-08-27 18:06:14 +03:00
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for _, name := range gonicNames {
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2020-03-22 18:12:55 +03:00
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names.LintGonicMapper[name] = true
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2015-08-27 18:06:14 +03:00
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}
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2014-04-05 18:46:32 +04:00
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}
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2021-12-01 10:50:01 +03:00
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// newXORMEngine returns a new XORM engine from the configuration
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func newXORMEngine() (*xorm.Engine, error) {
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2019-08-24 12:24:45 +03:00
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connStr, err := setting.DBConnStr()
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if err != nil {
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return nil, err
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2014-03-30 18:47:08 +04:00
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}
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2017-02-20 11:11:13 +03:00
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2021-01-02 05:07:43 +03:00
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var engine *xorm.Engine
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2023-03-07 13:51:06 +03:00
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if setting.Database.Type.IsPostgreSQL() && len(setting.Database.Schema) > 0 {
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2021-01-02 05:07:43 +03:00
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// OK whilst we sort out our schema issues - create a schema aware postgres
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registerPostgresSchemaDriver()
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engine, err = xorm.NewEngine("postgresschema", connStr)
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} else {
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engine, err = xorm.NewEngine(setting.Database.Type.String(), connStr)
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2021-01-02 05:07:43 +03:00
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}
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2020-01-20 18:45:14 +03:00
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if err != nil {
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return nil, err
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}
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2020-03-27 11:44:05 +03:00
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if setting.Database.Type == "mysql" {
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engine.Dialect().SetParams(map[string]string{"rowFormat": "DYNAMIC"})
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2020-07-21 15:28:27 +03:00
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} else if setting.Database.Type == "mssql" {
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engine.Dialect().SetParams(map[string]string{"DEFAULT_VARCHAR": "nvarchar"})
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2020-03-27 11:44:05 +03:00
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}
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2020-01-20 18:45:14 +03:00
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engine.SetSchema(setting.Database.Schema)
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return engine, nil
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2014-09-04 19:19:26 +04:00
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}
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2022-01-20 20:46:10 +03:00
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// SyncAllTables sync the schemas of all tables, is required by unit test code
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2021-11-12 17:36:47 +03:00
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func SyncAllTables() error {
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2023-06-24 11:20:08 +03:00
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_, err := x.StoreEngine("InnoDB").SyncWithOptions(xorm.SyncOptions{
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WarnIfDatabaseColumnMissed: true,
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}, tables...)
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return err
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2021-06-14 05:22:55 +03:00
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}
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2021-12-01 10:50:01 +03:00
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// InitEngine initializes the xorm.Engine and sets it as db.DefaultContext
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func InitEngine(ctx context.Context) error {
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xormEngine, err := newXORMEngine()
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2014-02-19 02:48:02 +04:00
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if err != nil {
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2022-10-24 22:29:17 +03:00
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return fmt.Errorf("failed to connect to database: %w", err)
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2014-02-19 02:48:02 +04:00
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}
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2021-12-01 10:50:01 +03:00
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xormEngine.SetMapper(names.GonicMapper{})
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2014-12-07 04:22:48 +03:00
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// WARNING: for serv command, MUST remove the output to os.stdout,
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2014-03-21 00:04:56 +04:00
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// so use log file to instead print to stdout.
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2021-12-01 10:50:01 +03:00
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xormEngine.SetLogger(NewXORMLogger(setting.Database.LogSQL))
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xormEngine.ShowSQL(setting.Database.LogSQL)
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xormEngine.SetMaxOpenConns(setting.Database.MaxOpenConns)
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xormEngine.SetMaxIdleConns(setting.Database.MaxIdleConns)
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xormEngine.SetConnMaxLifetime(setting.Database.ConnMaxLifetime)
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xormEngine.SetDefaultContext(ctx)
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SetDefaultEngine(ctx, xormEngine)
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return nil
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}
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2021-11-07 06:11:27 +03:00
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2021-12-01 10:50:01 +03:00
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// SetDefaultEngine sets the default engine for db
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func SetDefaultEngine(ctx context.Context, eng *xorm.Engine) {
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x = eng
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2021-11-07 06:11:27 +03:00
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DefaultContext = &Context{
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Context: ctx,
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e: x,
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}
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2014-02-19 02:48:02 +04:00
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}
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2021-12-01 10:50:01 +03:00
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// UnsetDefaultEngine closes and unsets the default engine
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// We hope the SetDefaultEngine and UnsetDefaultEngine can be paired, but it's impossible now,
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// there are many calls to InitEngine -> SetDefaultEngine directly to overwrite the `x` and DefaultContext without close
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// Global database engine related functions are all racy and there is no graceful close right now.
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func UnsetDefaultEngine() {
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if x != nil {
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_ = x.Close()
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x = nil
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2021-11-16 11:53:21 +03:00
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}
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2021-12-01 10:50:01 +03:00
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DefaultContext = nil
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2021-11-16 11:53:21 +03:00
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}
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2021-12-01 10:50:01 +03:00
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// InitEngineWithMigration initializes a new xorm.Engine and sets it as the db.DefaultContext
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2023-08-13 22:17:21 +03:00
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// This function must never call .Sync() if the provided migration function fails.
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2020-05-29 16:24:15 +03:00
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// When called from the "doctor" command, the migration function is a version check
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// that prevents the doctor from fixing anything in the database if the migration level
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// is different from the expected value.
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2021-10-30 17:32:11 +03:00
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func InitEngineWithMigration(ctx context.Context, migrateFunc func(*xorm.Engine) error) (err error) {
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2021-11-07 06:11:27 +03:00
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if err = InitEngine(ctx); err != nil {
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2014-03-30 01:50:51 +04:00
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return err
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2014-04-05 18:46:32 +04:00
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}
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2015-01-22 15:49:52 +03:00
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2016-11-24 17:30:36 +03:00
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if err = x.Ping(); err != nil {
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return err
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}
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2021-11-07 06:11:27 +03:00
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// We have to run migrateFunc here in case the user is re-running installation on a previously created DB.
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// If we do not then table schemas will be changed and there will be conflicts when the migrations run properly.
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//
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// Installation should only be being re-run if users want to recover an old database.
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// However, we should think carefully about should we support re-install on an installed instance,
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// as there may be other problems due to secret reinitialization.
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2017-07-02 16:50:57 +03:00
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if err = migrateFunc(x); err != nil {
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2022-10-24 22:29:17 +03:00
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return fmt.Errorf("migrate: %w", err)
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2015-01-22 15:49:52 +03:00
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}
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2021-11-12 17:36:47 +03:00
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if err = SyncAllTables(); err != nil {
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2022-10-24 22:29:17 +03:00
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return fmt.Errorf("sync database struct error: %w", err)
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2014-02-19 13:50:53 +04:00
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}
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2015-01-23 10:54:16 +03:00
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2021-09-19 14:49:59 +03:00
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for _, initFunc := range initFuncs {
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if err := initFunc(); err != nil {
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2022-10-24 22:29:17 +03:00
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return fmt.Errorf("initFunc failed: %w", err)
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2021-08-17 21:30:42 +03:00
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}
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}
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2014-03-30 01:50:51 +04:00
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return nil
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2014-02-19 02:48:02 +04:00
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}
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2014-03-21 00:04:56 +04:00
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2020-09-07 00:52:01 +03:00
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// NamesToBean return a list of beans or an error
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2023-07-04 21:36:08 +03:00
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func NamesToBean(names ...string) ([]any, error) {
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beans := []any{}
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2020-09-07 00:52:01 +03:00
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if len(names) == 0 {
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beans = append(beans, tables...)
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return beans, nil
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}
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// Need to map provided names to beans...
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2023-07-04 21:36:08 +03:00
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beanMap := make(map[string]any)
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2020-09-07 00:52:01 +03:00
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for _, bean := range tables {
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beanMap[strings.ToLower(reflect.Indirect(reflect.ValueOf(bean)).Type().Name())] = bean
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beanMap[strings.ToLower(x.TableName(bean))] = bean
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beanMap[strings.ToLower(x.TableName(bean, true))] = bean
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}
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2023-07-04 21:36:08 +03:00
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gotBean := make(map[any]bool)
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2020-09-07 00:52:01 +03:00
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for _, name := range names {
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bean, ok := beanMap[strings.ToLower(strings.TrimSpace(name))]
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if !ok {
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2022-10-18 08:50:37 +03:00
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return nil, fmt.Errorf("no table found that matches: %s", name)
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2020-09-07 00:52:01 +03:00
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}
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if !gotBean[bean] {
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beans = append(beans, bean)
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gotBean[bean] = true
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}
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}
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return beans, nil
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}
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2017-01-03 11:20:28 +03:00
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// DumpDatabase dumps all data from database according the special database SQL syntax to file system.
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2021-03-14 21:52:12 +03:00
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func DumpDatabase(filePath, dbType string) error {
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2020-03-22 18:12:55 +03:00
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var tbs []*schemas.Table
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2017-01-03 11:20:28 +03:00
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for _, t := range tables {
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2020-03-22 18:12:55 +03:00
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t, err := x.TableInfo(t)
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if err != nil {
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return err
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}
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tbs = append(tbs, t)
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2017-01-03 11:20:28 +03:00
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}
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2020-09-08 01:27:17 +03:00
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type Version struct {
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ID int64 `xorm:"pk autoincr"`
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Version int64
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}
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2021-05-07 02:17:43 +03:00
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t, err := x.TableInfo(&Version{})
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2020-09-08 01:27:17 +03:00
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if err != nil {
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return err
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}
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tbs = append(tbs, t)
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2017-01-03 11:20:28 +03:00
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if len(dbType) > 0 {
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2020-03-22 18:12:55 +03:00
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return x.DumpTablesToFile(tbs, filePath, schemas.DBType(dbType))
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2017-01-03 11:20:28 +03:00
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}
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return x.DumpTablesToFile(tbs, filePath)
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2014-05-05 08:55:17 +04:00
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}
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2019-07-06 22:24:50 +03:00
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// MaxBatchInsertSize returns the table's max batch insert size
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2023-07-04 21:36:08 +03:00
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func MaxBatchInsertSize(bean any) int {
|
2020-03-22 18:12:55 +03:00
|
|
|
t, err := x.TableInfo(bean)
|
|
|
|
if err != nil {
|
|
|
|
return 50
|
|
|
|
}
|
2019-07-06 22:24:50 +03:00
|
|
|
return 999 / len(t.ColumnsSeq())
|
|
|
|
}
|
2019-09-06 05:20:09 +03:00
|
|
|
|
2019-12-08 22:15:35 +03:00
|
|
|
// IsTableNotEmpty returns true if table has at least one record
|
|
|
|
func IsTableNotEmpty(tableName string) (bool, error) {
|
|
|
|
return x.Table(tableName).Exist()
|
|
|
|
}
|
|
|
|
|
|
|
|
// DeleteAllRecords will delete all the records of this table
|
|
|
|
func DeleteAllRecords(tableName string) error {
|
|
|
|
_, err := x.Exec(fmt.Sprintf("DELETE FROM %s", tableName))
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
// GetMaxID will return max id of the table
|
2023-07-04 21:36:08 +03:00
|
|
|
func GetMaxID(beanOrTableName any) (maxID int64, err error) {
|
2019-12-08 22:15:35 +03:00
|
|
|
_, err = x.Select("MAX(id)").Table(beanOrTableName).Get(&maxID)
|
2022-06-20 13:02:49 +03:00
|
|
|
return maxID, err
|
2019-12-08 22:15:35 +03:00
|
|
|
}
|
2022-06-24 13:49:47 +03:00
|
|
|
|
|
|
|
func SetLogSQL(ctx context.Context, on bool) {
|
|
|
|
e := GetEngine(ctx)
|
|
|
|
if x, ok := e.(*xorm.Engine); ok {
|
|
|
|
x.ShowSQL(on)
|
|
|
|
} else if sess, ok := e.(*xorm.Session); ok {
|
|
|
|
sess.Engine().ShowSQL(on)
|
|
|
|
}
|
|
|
|
}
|