Created
October 21, 2015 13:25
-
-
Save jaychoo/4e3effdeed3672173b67 to your computer and use it in GitHub Desktop.
Example on how to connect to redshift using psycopg2
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
__author__ = 'fbaldo' | |
import psycopg2 | |
import pprint | |
configuration = { 'dbname': 'database_name', | |
'user':'user_name', | |
'pwd':'user_password', | |
'host':'redshift_endpoint', | |
'port':'redshift_password' | |
} | |
def create_conn(*args,**kwargs): | |
config = kwargs['config'] | |
try: | |
conn=psycopg2.connect(dbname=config['dbname'], host=config['host'], port=config['port'], user=config['user'], password=config['pwd']) | |
except Exception as err: | |
print err.code, err | |
return conn | |
def select(*args,**kwargs): | |
# need a connection with dbname=<username>_db | |
cur = kwargs['cur'] | |
try: | |
# retrieving all tables in my search_path | |
cur.execute("""select tablename from pg_table_def""") | |
except Exception as err: | |
print err.code,err | |
rows = cur.fetchall() | |
for row in rows: | |
print row | |
print 'start' | |
conn = create_conn(config=configuration) | |
cursor = conn.cursor() | |
print 'start select' | |
select(cur=cursor) | |
print 'finish' | |
cursor.close() | |
for n in conn.notices(): | |
pprint(n) | |
conn.close() |
Help me please. I don't know how to write the syntax inside the cur.execute. exe to call a table. do you have any example? Thank you
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Hi, jaychoo,
Thanks for the code post.
I have on small doubt here, I'm not getting the table headers in output but getting table data. How we need to get the table headers.?
Thanks & Regards,
Nikhil