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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)
}
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