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