mirror of
https://github.com/astaxie/beego.git
synced 2024-11-22 20:50:54 +00:00
62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package orm
|
|
|
|
import "errors"
|
|
|
|
// QueryBuilder is the Query builder interface
|
|
type QueryBuilder interface {
|
|
Select(fields ...string) QueryBuilder
|
|
From(tables ...string) QueryBuilder
|
|
InnerJoin(table string) QueryBuilder
|
|
LeftJoin(table string) QueryBuilder
|
|
RightJoin(table string) QueryBuilder
|
|
On(cond string) QueryBuilder
|
|
Where(cond string) QueryBuilder
|
|
And(cond string) QueryBuilder
|
|
Or(cond string) QueryBuilder
|
|
In(vals ...string) QueryBuilder
|
|
OrderBy(fields ...string) QueryBuilder
|
|
Asc() QueryBuilder
|
|
Desc() QueryBuilder
|
|
Limit(limit int) QueryBuilder
|
|
Offset(offset int) QueryBuilder
|
|
GroupBy(fields ...string) QueryBuilder
|
|
Having(cond string) QueryBuilder
|
|
Update(tables ...string) QueryBuilder
|
|
Set(kv ...string) QueryBuilder
|
|
Delete(tables ...string) QueryBuilder
|
|
InsertInto(table string, fields ...string) QueryBuilder
|
|
Values(vals ...string) QueryBuilder
|
|
Subquery(sub string, alias string) string
|
|
String() string
|
|
}
|
|
|
|
// NewQueryBuilder return the QueryBuilder
|
|
func NewQueryBuilder(driver string) (qb QueryBuilder, err error) {
|
|
if driver == "mysql" {
|
|
qb = new(MySQLQueryBuilder)
|
|
} else if driver == "tidb" {
|
|
qb = new(TiDBQueryBuilder)
|
|
} else if driver == "postgres" {
|
|
err = errors.New("postgres query builder is not supported yet")
|
|
} else if driver == "sqlite" {
|
|
err = errors.New("sqlite query builder is not supported yet")
|
|
} else {
|
|
err = errors.New("unknown driver for query builder")
|
|
}
|
|
return
|
|
}
|