python sqlite_unicode_caseinsensitive_like.py

Posted 2021-05-09

#!/usr/bin/python

import sqlite3

conn = sqlite3.connect('deleteme.sqlite')

# Create custom function in order to handle non-ASCII case-insensitive LIKE
conn.create_function('custom_upper', 1, lambda x: x.upper() if x else x)

###
### Assume that the connection to the sqlite3 database has been created and is valid
###
###

def find_videos_containing_title_string(conn, searchString):
    curs = conn.cursor()
    # Complete below

    query = 'SELECT id, title FROM videos WHERE custom_upper(title) LIKE custom_upper(?)'
    params = (f'%{searchString}%',)

    curs.execute(query, params)
    return curs.fetchall()


if __name__ == '__main__':
    print(find_videos_containing_title_string(conn, 'über'))  # Finds both "Übergröße" and "überschreitet"