Blorg-Backend/dbHandler.py

51 lines
1.5 KiB
Python

import psycopg2
def printNotice(dbConnection, i):
print("(DB HANDLER) " + dbConnection.notices[i])
def connect(**options):
return psycopg2.connect(database=options["database"],
host=options["host"],
user=options["user"],
password=options["password"],
port=options["port"])
def initTable(dbConnection, tableName, tableFormat):
dbCursor = dbConnection.cursor()
dbCursor.execute("""
DO $$
BEGIN
IF (EXISTS (SELECT *
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME = '""" + tableName.lower() + """'))
THEN
RAISE NOTICE '""" + tableName + """ Table does exist! Skipping creating table.';
ELSE
RAISE NOTICE '""" + tableName + """ Table does not exist! Creating table.';
CREATE TABLE """ + tableName.lower() + """ (
""" + tableFormat + """
);
END IF;
END;
$$""")
printNotice(dbConnection, -1)
dbConnection.commit()
dbCursor.close()
def commitQuery(dbConnection, query):
dbCursor = dbConnection.cursor()
dbCursor.execute(query)
dbConnection.commit()
dbResults = dbCursor.fetchall()
dbCursor.close()
return dbResults
def execQuery(dbConnection, query):
dbCursor = dbConnection.cursor()
dbCursor.execute(query)
dbResults = dbCursor.fetchall()
dbCursor.close()
return dbResults