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restructuring sql stores

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This commit is contained in:
Chris Lu
2021-01-19 13:53:16 -08:00
parent 96354208c5
commit 4c5b752b04
4 changed files with 162 additions and 47 deletions
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45
weed/filer/mysql/mysql_store.go
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@@ -15,6 +15,41 @@ const (
CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?charset=utf8"
)
type SqlGenMysql struct {
}
var (
_ = abstract_sql.SqlGenerator(&SqlGenMysql{})
)
func (gen *SqlGenMysql) GetSqlInsert(bucket string) string {
return "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
}
func (gen *SqlGenMysql) GetSqlUpdate(bucket string) string {
return "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
}
func (gen *SqlGenMysql) GetSqlFind(bucket string) string {
return "SELECT meta FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
}
func (gen *SqlGenMysql) GetSqlDelete(bucket string) string {
return "DELETE FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
}
func (gen *SqlGenMysql) GetSqlDeleteFolderChildren(bucket string) string {
return "DELETE FROM filemeta WHERE dirhash=? AND directory=?"
}
func (gen *SqlGenMysql) GetSqlListExclusive(bucket string) string {
return "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>? AND directory=? AND name like ? ORDER BY NAME ASC LIMIT ?"
}
func (gen *SqlGenMysql) GetSqlListInclusive(bucket string) string {
return "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>=? AND directory=? AND name like ? ORDER BY NAME ASC LIMIT ?"
}
func init() {
filer.Stores = append(filer.Stores, &MysqlStore{})
}
@@ -43,14 +78,8 @@ func (store *MysqlStore) Initialize(configuration util.Configuration, prefix str
func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen,
maxLifetimeSeconds int, interpolateParams bool) (err error) {
//
store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
store.SqlUpdate = "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
store.SqlFind = "SELECT meta FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
store.SqlDelete = "DELETE FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
store.SqlDeleteFolderChildren = "DELETE FROM filemeta WHERE dirhash=? AND directory=?"
store.SqlListExclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>? AND directory=? AND name like ? ORDER BY NAME ASC LIMIT ?"
store.SqlListInclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>=? AND directory=? AND name like ? ORDER BY NAME ASC LIMIT ?"
store.SqlGenerator = &SqlGenMysql{}
sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
if interpolateParams {