Example #1
0
#!/usr/bin/python
# harness.py - test harness for Cookbook.py library

import sys
import MySQLdb
import Cookbook

try:
    conn = Cookbook.connect()
    print "Connected"
except MySQLdb.Error, e:
    print "Cannot connect to server"
    print "Error code:", e.args[0]
    print "Error message:", e.args[1]
    sys.exit(1)

conn.close()
print "Disconnected"
#!/usr/bin/python
# placeholder.py - demonstrate statement processing in Python
# (with placeholders)

import Cookbook
import MySQLdb

try:
  conn = Cookbook.connect ()
except MySQLdb.Error, e:
  print "Cannot connect to server"
  print "Error code:", e.args[0]
  print "Error message:", e.args[1]
  sys.exit (1)

print "Execute INSERT statement using placeholders"
try:
#@ _EXECUTE_PLACEHOLDER_1_
  cursor = conn.cursor ()
  cursor.execute ("""
                  INSERT INTO profile (name,birth,color,foods,cats)
                  VALUES(%s,%s,%s,%s,%s)
                  """, ("De'Mont", "1973-01-12", None, "eggroll", 4))
#@ _EXECUTE_PLACEHOLDER_1_
  print "Number of rows inserted: %d" % cursor.rowcount
except MySQLdb.Error, e:
  print "Oops, the statement failed"
  print e

print "Execute SELECT statement using placeholders"
try:
Example #3
0
                  CREATE TABLE seqdiag
                  (seq INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY)
                """)
    cursor.close ()
  except MySQLdb.Error, e:
    print "Cannot create seqdiag table"
    print e.args

def gen_seq_val (cursor):
  try:
    cursor.execute ("INSERT INTO seqdiag (seq) VALUES(NULL)")
  except MySQLdb.Error, e:
    print "Cannot create AUTO_INCREMENT value"
    print e.args

conn = Cookbook.connect ()

init_table (conn)
cursor = conn.cursor ()

gen_seq_val (cursor)
seq = conn.insert_id ()
print "seq:", seq
cursor.execute ("SET @x = LAST_INSERT_ID(99)")
seq = conn.insert_id ()
print "seq after SET via insert_id():", seq
cursor.execute ("SELECT LAST_INSERT_ID()")
row = cursor.fetchone ()
seq = row[0]
print "seq after SET via LAST_INSERT_ID():", seq