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Use isolation level symbolic constants in examples

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This commit is contained in:
Daniele Varrazzo 2011-12-15 13:10:36 +00:00
parent 5a6a303d43
commit 424bc310a6
2 changed files with 6 additions and 4 deletions
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5
examples/notify.py
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@ -19,8 +19,9 @@ DSN = 'dbname=test'
## don't modify anything below tis line (except for experimenting) ## don't modify anything below tis line (except for experimenting)
import sys import sys
import psycopg2
import select import select
import psycopg2
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
if len(sys.argv) > 1: if len(sys.argv) > 1:
DSN = sys.argv[1] DSN = sys.argv[1]
@ -29,7 +30,7 @@ print "Opening connection using dns:", DSN
conn = psycopg2.connect(DSN) conn = psycopg2.connect(DSN)
print "Encoding for this connection is", conn.encoding print "Encoding for this connection is", conn.encoding
conn.set_isolation_level(0) conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
curs = conn.cursor() curs = conn.cursor()
curs.execute("listen test") curs.execute("listen test")

5
examples/threads.py
View File

@ -38,6 +38,7 @@ MODE = 1
import sys, psycopg2, threading import sys, psycopg2, threading
from psycopg2.pool import ThreadedConnectionPool from psycopg2.pool import ThreadedConnectionPool
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
if len(sys.argv) > 1: if len(sys.argv) > 1:
DSN = sys.argv[1] DSN = sys.argv[1]
@ -96,14 +97,14 @@ def select_func(conn_or_pool, z):
if MODE == 0: if MODE == 0:
conn = conn_or_pool conn = conn_or_pool
conn.set_isolation_level(0) conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
for i in range(SELECT_SIZE): for i in range(SELECT_SIZE):
if divmod(i, SELECT_STEP)[1] == 0: if divmod(i, SELECT_STEP)[1] == 0:
try: try:
if MODE == 1: if MODE == 1:
conn = conn_or_pool.getconn() conn = conn_or_pool.getconn()
conn.set_isolation_level(0) conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
c = conn.cursor() c = conn.cursor()
c.execute("SELECT * FROM test_threads WHERE value2 < %s", c.execute("SELECT * FROM test_threads WHERE value2 < %s",
(int(i/z),)) (int(i/z),))