delete_data.py

# Copyright 2025 Harikrishna Srinivasan
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


from typehints import Connection, Cursor

"""Delete rows from tables.
"""


def delete_timetable(db_connector: Connection,
                     cursor: Cursor, /, *,
                     day: None | str = None,
                     period_id: None | int = None,
                     faculty_section_course_id: None | int = None,
                     class_id: None | int = None) -> None:
    cursor.execute("""DELETE FROM `timetables`
                   WHERE `day`=%s
                   AND `period_id`=%s
                   AND `faculty_section_course_id`=%s
                   AND `class_id`=%s""",
                   (day, period_id, faculty_section_course_id, class_id))
    db_connector.commit()