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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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43
weed/filer/postgres/postgres_store.go
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@@ -14,6 +14,41 @@ const (
CONNECTION_URL_PATTERN = "host=%s port=%d sslmode=%s connect_timeout=30"
)
type SqlGenPostgres struct {
}
var (
_ = abstract_sql.SqlGenerator(&SqlGenPostgres{})
)
func (gen *SqlGenPostgres) GetSqlInsert(bucket string) string {
return "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES($1,$2,$3,$4)"
}
func (gen *SqlGenPostgres) GetSqlUpdate(bucket string) string {
return "UPDATE filemeta SET meta=$1 WHERE dirhash=$2 AND name=$3 AND directory=$4"
}
func (gen *SqlGenPostgres) GetSqlFind(bucket string) string {
return "SELECT meta FROM filemeta WHERE dirhash=$1 AND name=$2 AND directory=$3"
}
func (gen *SqlGenPostgres) GetSqlDelete(bucket string) string {
return "DELETE FROM filemeta WHERE dirhash=$1 AND name=$2 AND directory=$3"
}
func (gen *SqlGenPostgres) GetSqlDeleteFolderChildren(bucket string) string {
return "DELETE FROM filemeta WHERE dirhash=$1 AND directory=$2"
}
func (gen *SqlGenPostgres) GetSqlListExclusive(bucket string) string {
return "SELECT NAME, meta FROM filemeta WHERE dirhash=$1 AND name>$2 AND directory=$3 AND name like $4 ORDER BY NAME ASC LIMIT $5"
}
func (gen *SqlGenPostgres) GetSqlListInclusive(bucket string) string {
return "SELECT NAME, meta FROM filemeta WHERE dirhash=$1 AND name>=$2 AND directory=$3 AND name like $4 ORDER BY NAME ASC LIMIT $5"
}
func init() {
filer.Stores = append(filer.Stores, &PostgresStore{})
}
@@ -41,13 +76,7 @@ func (store *PostgresStore) Initialize(configuration util.Configuration, prefix
func (store *PostgresStore) initialize(user, password, hostname string, port int, database, sslmode string, maxIdle, maxOpen int) (err error) {
store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES($1,$2,$3,$4)"
store.SqlUpdate = "UPDATE filemeta SET meta=$1 WHERE dirhash=$2 AND name=$3 AND directory=$4"
store.SqlFind = "SELECT meta FROM filemeta WHERE dirhash=$1 AND name=$2 AND directory=$3"
store.SqlDelete = "DELETE FROM filemeta WHERE dirhash=$1 AND name=$2 AND directory=$3"
store.SqlDeleteFolderChildren = "DELETE FROM filemeta WHERE dirhash=$1 AND directory=$2"
store.SqlListExclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=$1 AND name>$2 AND directory=$3 AND name like $4 ORDER BY NAME ASC LIMIT $5"
store.SqlListInclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=$1 AND name>=$2 AND directory=$3 AND name like $4 ORDER BY NAME ASC LIMIT $5"
store.SqlGenerator = &SqlGenPostgres{}
sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, hostname, port, sslmode)
if user != "" {