-
Notifications
You must be signed in to change notification settings - Fork 57
/
psycopg2.py
57 lines (46 loc) · 1.56 KB
/
psycopg2.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
from contextlib import contextmanager
from ..patterns import var_pattern
def replacer(match):
gd = match.groupdict()
if gd["dblquote"] is not None:
return gd["dblquote"]
elif gd["quote"] is not None:
return gd["quote"]
else:
return f'{gd["lead"]}%({gd["var_name"]})s{gd["trail"]}'
class PsycoPG2Adapter:
@staticmethod
def process_sql(_query_name, _op_type, sql):
return var_pattern.sub(replacer, sql)
@staticmethod
def select(conn, _query_name, sql, parameters):
with conn.cursor() as cur:
cur.execute(sql, parameters)
return cur.fetchall()
@staticmethod
@contextmanager
def select_cursor(conn, _query_name, sql, parameters):
with conn.cursor() as cur:
cur.execute(sql, parameters)
yield cur
@staticmethod
def insert_update_delete(conn, _query_name, sql, parameters):
with conn.cursor() as cur:
cur.execute(sql, parameters)
@staticmethod
def insert_update_delete_many(conn, _query_name, sql, parmeters):
with conn.cursor() as cur:
cur.executemany(sql, parmeters)
@staticmethod
def insert_returning(conn, _query_name, sql, parameters):
with conn.cursor() as cur:
cur.execute(sql, parameters)
res = cur.fetchone()
if res:
return res[0] if len(res) == 1 else res
else:
return None
@staticmethod
def execute_script(conn, sql):
with conn.cursor() as cur:
cur.execute(sql)