"postgresql psycopg2 select single value" Code Answer's

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postgresql psycopg2 select single value

Breakable Bee on Oct 28, 2020

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import psycopg2
import sys

con = None

try:

    con = psycopg2.connect(database='testdb', user='postgres',
        password='s$cret')

    cur = con.cursor()
    cur.execute('SELECT version()')

    version = cur.fetchone()[0]
    print(version)

except psycopg2.DatabaseError as e:

    print(f'Error {e}')
    sys.exit(1)

finally:

    if con:
        con.close()

Source: zetcode.com

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"postgresql psycopg2 select single value" Code Answer's