adding README

This commit is contained in:
Jadowyne Ulve 2024-09-24 20:14:31 -05:00
parent 8a8fed9c7d
commit 708b12ef44
2 changed files with 41 additions and 1 deletions

3
README.md Normal file
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## postgresql and pthon learning
I am attempting to understand how to connect and execute commands through python against a remote postgresql to update my systems

39
main.py
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import psycopg2 import psycopg2
from config import config from config import config
def insert_row(table_name, name):
sql = f"INSERT INTO {table_name}(id, name) VALUES(%s, %s) RETURNING id"
id = None
try:
database_config = config()
with psycopg2.connect(**database_config) as conn:
with conn.cursor() as cur:
cur.execute(sql, (1, name))
rows = cur.fetchone()
if rows:
id = rows[0]
conn.commit()
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
return id
def create_table(table_name):
conn = None
try:
params = config()
conn = psycopg2.connect(**params)
cur = conn.cursor()
cur.execute(f"CREATE TABLE {table_name}(id INTEGER PRIMARY KEY, name TEXT);")
cur.close()
conn.commit()
except (Exception, psycopg2.DatabaseError) as error:
print(error)
finally:
if conn is not None:
conn.close()
def connect(): def connect():
""" Connect to the PostgreSQL database server """ """ Connect to the PostgreSQL database server """
conn = None conn = None
@ -35,4 +71,5 @@ def connect():
if __name__ == '__main__': if __name__ == '__main__':
connect() # create_table("mytable")
print(insert_row('mytable', 'ted'))