16 lines
440 B
Python
16 lines
440 B
Python
|
''' Database helper functions '''
|
||
|
|
|
||
|
|
|
||
|
|
def table_exists(db_con, name):
|
||
|
|
""" Check if the specified table exists in the db. """
|
||
|
|
|
||
|
|
query = """ SELECT name FROM sqlite_master
|
||
|
|
WHERE type='table' AND name=?;
|
||
|
|
"""
|
||
|
|
return db_con.execute(query, (name, )).fetchone() is not None
|
||
|
|
|
||
|
|
|
||
|
|
def user_version(db_con):
|
||
|
|
""" Return the value of PRAGMA user_version. """
|
||
|
|
return db_con.execute('PRAGMA user_version').fetchone()[0]
|