mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-28 11:57:54 +08:00
59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
package mysql
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
_ "github.com/go-sql-driver/mysql"
|
|
"github.com/seaweedfs/seaweedfs/weed/filer/abstract_sql"
|
|
)
|
|
|
|
type SqlGenMysql struct {
|
|
CreateTableSqlTemplate string
|
|
DropTableSqlTemplate string
|
|
UpsertQueryTemplate string
|
|
}
|
|
|
|
var (
|
|
_ = abstract_sql.SqlGenerator(&SqlGenMysql{})
|
|
)
|
|
|
|
func (gen *SqlGenMysql) GetSqlInsert(tableName string) string {
|
|
if gen.UpsertQueryTemplate != "" {
|
|
return fmt.Sprintf(gen.UpsertQueryTemplate, tableName)
|
|
} else {
|
|
return fmt.Sprintf("INSERT INTO `%s` (`dirhash`,`name`,`directory`,`meta`) VALUES(?,?,?,?)", tableName)
|
|
}
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlUpdate(tableName string) string {
|
|
return fmt.Sprintf("UPDATE `%s` SET `meta` = ? WHERE `dirhash` = ? AND `name` = ? AND `directory` = ?", tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlFind(tableName string) string {
|
|
return fmt.Sprintf("SELECT `meta` FROM `%s` WHERE `dirhash` = ? AND `name` = ? AND `directory` = ?", tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlDelete(tableName string) string {
|
|
return fmt.Sprintf("DELETE FROM `%s` WHERE `dirhash` = ? AND `name` = ? AND `directory` = ?", tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlDeleteFolderChildren(tableName string) string {
|
|
return fmt.Sprintf("DELETE FROM `%s` WHERE `dirhash` = ? AND `directory` = ?", tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlListExclusive(tableName string) string {
|
|
return fmt.Sprintf("SELECT `name`, `meta` FROM `%s` WHERE `dirhash` = ? AND `name` > ? AND `directory` = ? AND `name` LIKE ? ORDER BY `name` ASC LIMIT ?", tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlListInclusive(tableName string) string {
|
|
return fmt.Sprintf("SELECT `name`, `meta` FROM `%s` WHERE `dirhash` = ? AND `name` >= ? AND `directory` = ? AND `name` LIKE ? ORDER BY `name` ASC LIMIT ?", tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlCreateTable(tableName string) string {
|
|
return fmt.Sprintf(gen.CreateTableSqlTemplate, tableName)
|
|
}
|
|
|
|
func (gen *SqlGenMysql) GetSqlDropTable(tableName string) string {
|
|
return fmt.Sprintf(gen.DropTableSqlTemplate, tableName)
|
|
}
|