dify/api/models/types.py
KVOJJJin 935e72d449
Feat: conversation variable & variable assigner node (#7222)
Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>
2024-08-13 14:44:10 +08:00

26 lines
711 B
Python

from sqlalchemy import CHAR, TypeDecorator
from sqlalchemy.dialects.postgresql import UUID
class StringUUID(TypeDecorator):
impl = CHAR
cache_ok = True
def process_bind_param(self, value, dialect):
if value is None:
return value
elif dialect.name == 'postgresql':
return str(value)
else:
return value.hex
def load_dialect_impl(self, dialect):
if dialect.name == 'postgresql':
return dialect.type_descriptor(UUID())
else:
return dialect.type_descriptor(CHAR(36))
def process_result_value(self, value, dialect):
if value is None:
return value
return str(value)