mirror of
https://github.com/astaxie/beego.git
synced 2024-12-23 16:30:49 +00:00
186 lines
5.0 KiB
Go
186 lines
5.0 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 (
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// CommaSpace is the separation
|
|
const CommaSpace = ", "
|
|
|
|
// MySQLQueryBuilder is the SQL build
|
|
type MySQLQueryBuilder struct {
|
|
Tokens []string
|
|
}
|
|
|
|
// Select will join the fields
|
|
func (qb *MySQLQueryBuilder) Select(fields ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "SELECT", strings.Join(fields, CommaSpace))
|
|
return qb
|
|
}
|
|
|
|
// ForUpdate add the FOR UPDATE clause
|
|
func (qb *MySQLQueryBuilder) ForUpdate() QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "FOR UPDATE")
|
|
return qb
|
|
}
|
|
|
|
// From join the tables
|
|
func (qb *MySQLQueryBuilder) From(tables ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "FROM", strings.Join(tables, CommaSpace))
|
|
return qb
|
|
}
|
|
|
|
// InnerJoin INNER JOIN the table
|
|
func (qb *MySQLQueryBuilder) InnerJoin(table string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "INNER JOIN", table)
|
|
return qb
|
|
}
|
|
|
|
// LeftJoin LEFT JOIN the table
|
|
func (qb *MySQLQueryBuilder) LeftJoin(table string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "LEFT JOIN", table)
|
|
return qb
|
|
}
|
|
|
|
// RightJoin RIGHT JOIN the table
|
|
func (qb *MySQLQueryBuilder) RightJoin(table string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "RIGHT JOIN", table)
|
|
return qb
|
|
}
|
|
|
|
// On join with on cond
|
|
func (qb *MySQLQueryBuilder) On(cond string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "ON", cond)
|
|
return qb
|
|
}
|
|
|
|
// Where join the Where cond
|
|
func (qb *MySQLQueryBuilder) Where(cond string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "WHERE", cond)
|
|
return qb
|
|
}
|
|
|
|
// And join the and cond
|
|
func (qb *MySQLQueryBuilder) And(cond string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "AND", cond)
|
|
return qb
|
|
}
|
|
|
|
// Or join the or cond
|
|
func (qb *MySQLQueryBuilder) Or(cond string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "OR", cond)
|
|
return qb
|
|
}
|
|
|
|
// In join the IN (vals)
|
|
func (qb *MySQLQueryBuilder) In(vals ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "IN", "(", strings.Join(vals, CommaSpace), ")")
|
|
return qb
|
|
}
|
|
|
|
// OrderBy join the Order by fields
|
|
func (qb *MySQLQueryBuilder) OrderBy(fields ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "ORDER BY", strings.Join(fields, CommaSpace))
|
|
return qb
|
|
}
|
|
|
|
// Asc join the asc
|
|
func (qb *MySQLQueryBuilder) Asc() QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "ASC")
|
|
return qb
|
|
}
|
|
|
|
// Desc join the desc
|
|
func (qb *MySQLQueryBuilder) Desc() QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "DESC")
|
|
return qb
|
|
}
|
|
|
|
// Limit join the limit num
|
|
func (qb *MySQLQueryBuilder) Limit(limit int) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "LIMIT", strconv.Itoa(limit))
|
|
return qb
|
|
}
|
|
|
|
// Offset join the offset num
|
|
func (qb *MySQLQueryBuilder) Offset(offset int) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "OFFSET", strconv.Itoa(offset))
|
|
return qb
|
|
}
|
|
|
|
// GroupBy join the Group by fields
|
|
func (qb *MySQLQueryBuilder) GroupBy(fields ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "GROUP BY", strings.Join(fields, CommaSpace))
|
|
return qb
|
|
}
|
|
|
|
// Having join the Having cond
|
|
func (qb *MySQLQueryBuilder) Having(cond string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "HAVING", cond)
|
|
return qb
|
|
}
|
|
|
|
// Update join the update table
|
|
func (qb *MySQLQueryBuilder) Update(tables ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "UPDATE", strings.Join(tables, CommaSpace))
|
|
return qb
|
|
}
|
|
|
|
// Set join the set kv
|
|
func (qb *MySQLQueryBuilder) Set(kv ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "SET", strings.Join(kv, CommaSpace))
|
|
return qb
|
|
}
|
|
|
|
// Delete join the Delete tables
|
|
func (qb *MySQLQueryBuilder) Delete(tables ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "DELETE")
|
|
if len(tables) != 0 {
|
|
qb.Tokens = append(qb.Tokens, strings.Join(tables, CommaSpace))
|
|
}
|
|
return qb
|
|
}
|
|
|
|
// InsertInto join the insert SQL
|
|
func (qb *MySQLQueryBuilder) InsertInto(table string, fields ...string) QueryBuilder {
|
|
qb.Tokens = append(qb.Tokens, "INSERT INTO", table)
|
|
if len(fields) != 0 {
|
|
fieldsStr := strings.Join(fields, CommaSpace)
|
|
qb.Tokens = append(qb.Tokens, "(", fieldsStr, ")")
|
|
}
|
|
return qb
|
|
}
|
|
|
|
// Values join the Values(vals)
|
|
func (qb *MySQLQueryBuilder) Values(vals ...string) QueryBuilder {
|
|
valsStr := strings.Join(vals, CommaSpace)
|
|
qb.Tokens = append(qb.Tokens, "VALUES", "(", valsStr, ")")
|
|
return qb
|
|
}
|
|
|
|
// Subquery join the sub as alias
|
|
func (qb *MySQLQueryBuilder) Subquery(sub string, alias string) string {
|
|
return fmt.Sprintf("(%s) AS %s", sub, alias)
|
|
}
|
|
|
|
// String join all Tokens
|
|
func (qb *MySQLQueryBuilder) String() string {
|
|
return strings.Join(qb.Tokens, " ")
|
|
}
|