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-rw-r--r--lib/sqlalchemy/dialects/postgresql/psycopg2.py19
1 files changed, 6 insertions, 13 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/psycopg2.py b/lib/sqlalchemy/dialects/postgresql/psycopg2.py
index bb6562dea..712124288 100644
--- a/lib/sqlalchemy/dialects/postgresql/psycopg2.py
+++ b/lib/sqlalchemy/dialects/postgresql/psycopg2.py
@@ -46,8 +46,11 @@ The following per-statement execution options are respected:
"""
-import decimal, random, re
+import random, re
+import decimal
+
from sqlalchemy import util
+from sqlalchemy import processors
from sqlalchemy.engine import base, default
from sqlalchemy.sql import expression
from sqlalchemy.sql import operators as sql_operators
@@ -63,12 +66,7 @@ class _PGNumeric(sqltypes.Numeric):
def result_processor(self, dialect, coltype):
if self.asdecimal:
if coltype in (700, 701):
- def process(value):
- if value is not None:
- return decimal.Decimal(str(value))
- else:
- return value
- return process
+ return processors.to_decimal_processor_factory(decimal.Decimal)
elif coltype == 1700:
# pg8000 returns Decimal natively for 1700
return None
@@ -79,12 +77,7 @@ class _PGNumeric(sqltypes.Numeric):
# pg8000 returns float natively for 701
return None
elif coltype == 1700:
- def process(value):
- if value is not None:
- return float(value)
- else:
- return value
- return process
+ return processors.to_float
else:
raise exc.InvalidRequestError("Unknown PG numeric type: %d" % coltype)