{ "cells": [ { "cell_type": "code", "execution_count": 1, "id": "c0461204-5a0c-4e1e-9529-825b5f11d648", "metadata": {}, "outputs": [], "source": [ "from DATA225utils import make_connection" ] }, { "cell_type": "code", "execution_count": 2, "id": "23e4399e-da9b-46a7-9170-b9adf097db4d", "metadata": {}, "outputs": [], "source": [ "conn = make_connection(config_file = 'month.ini')\n", "cursor = conn.cursor()" ] }, { "cell_type": "code", "execution_count": 3, "id": "3478f05c-9927-43ec-9590-255d26b1900c", "metadata": {}, "outputs": [], "source": [ "cursor.execute('DROP PROCEDURE IF EXISTS insert_date')\n", "cursor.execute('DROP PROCEDURE IF EXISTS while_proc')\n", "cursor.execute('DROP PROCEDURE IF EXISTS repeat_proc')\n", "cursor.execute('DROP PROCEDURE IF EXISTS loop_proc')" ] }, { "cell_type": "code", "execution_count": 4, "id": "8c6b0132-9d98-4da9-8a73-86401eca5513", "metadata": { "tags": [] }, "outputs": [], "source": [ "cursor.execute( \n", " \"\"\"\n", " CREATE PROCEDURE insert_date(IN method VARCHAR(16), IN full_date DATE, \n", " IN day_of_week_name VARCHAR(9))\n", " BEGIN\n", " INSERT INTO dates(method, full_date, day_of_week_name,\n", " day_number, month_number, year_number)\n", " VALUES (method, full_date, day_of_week_name,\n", " EXTRACT(DAY FROM full_date),\n", " EXTRACT(MONTH FROM full_date),\n", " EXTRACT(YEAR FROM full_date));\n", " END\n", " \"\"\"\n", " )" ] }, { "cell_type": "code", "execution_count": 5, "id": "3c5ba6e0-5d9d-47e6-b503-920400470550", "metadata": { "tags": [] }, "outputs": [], "source": [ "cursor.execute( \n", " \"\"\"\n", " CREATE PROCEDURE while_proc(IN starting_date DATE, \n", " IN starting_day_of_week INT)\n", " BEGIN\n", " DECLARE this_date DATE DEFAULT starting_date;\n", " DECLARE day_of_week INT DEFAULT starting_day_of_week;\n", " DECLARE day_number INT DEFAULT 1;\n", " DECLARE day_of_week_name VARCHAR(9);\n", "\n", " WHILE day_number <= 31 DO\n", " IF day_of_week = 0\n", " THEN SET day_of_week_name = 'Sunday';\n", " ELSEIF day_of_week = 1\n", " THEN SET day_of_week_name = 'Monday';\n", " ELSEIF day_of_week = 2\n", " THEN SET day_of_week_name = 'Tuesday';\n", " ELSEIF day_of_week = 3\n", " THEN SET day_of_week_name = 'Wednesday';\n", " ELSEIF day_of_week = 4\n", " THEN SET day_of_week_name = 'Thursday';\n", " ELSEIF day_of_week = 5\n", " THEN SET day_of_week_name = 'Friday';\n", " ELSE\n", " SET day_of_week_name = 'Saturday';\n", " SET day_of_week = -1;\n", " END IF;\n", "\n", " CALL insert_date('while', this_date, day_of_week_name);\n", "\n", " SET day_number = day_number + 1;\n", " SET day_of_week = day_of_week + 1;\n", " SET this_date = DATE_ADD(this_date, INTERVAL 1 DAY);\n", " END WHILE;\n", " END\n", " \"\"\"\n", " )" ] }, { "cell_type": "code", "execution_count": 6, "id": "5595e866-4322-4201-b1b9-1a85c4d3b0fb", "metadata": { "tags": [] }, "outputs": [], "source": [ "cursor.execute( \n", " \"\"\"\n", " CREATE PROCEDURE repeat_proc(IN starting_date DATE, \n", " IN starting_day_of_week INT)\n", " BEGIN\n", " DECLARE this_date DATE DEFAULT starting_date;\n", " DECLARE day_of_week INT DEFAULT starting_day_of_week;\n", " DECLARE day_number INT DEFAULT 1;\n", " DECLARE day_of_week_name VARCHAR(9);\n", "\n", " REPEAT\n", " IF day_of_week = 0\n", " THEN SET day_of_week_name = 'Sunday';\n", " ELSEIF day_of_week = 1\n", " THEN SET day_of_week_name = 'Monday';\n", " ELSEIF day_of_week = 2\n", " THEN SET day_of_week_name = 'Tuesday';\n", " ELSEIF day_of_week = 3\n", " THEN SET day_of_week_name = 'Wednesday';\n", " ELSEIF day_of_week = 4\n", " THEN SET day_of_week_name = 'Thursday';\n", " ELSEIF day_of_week = 5\n", " THEN SET day_of_week_name = 'Friday';\n", " ELSE\n", " SET day_of_week_name = 'Saturday';\n", " SET day_of_week = -1;\n", " END IF;\n", "\n", " CALL insert_date('repeat', this_date, day_of_week_name);\n", "\n", " SET day_number = day_number + 1;\n", " SET day_of_week = day_of_week + 1;\n", " SET this_date = DATE_ADD(this_date, INTERVAL 1 DAY);\n", " UNTIL day_number > 31\n", " END REPEAT;\n", " END\n", " \"\"\"\n", " )" ] }, { "cell_type": "code", "execution_count": 7, "id": "0b2a32b5-a14f-4976-b751-8770bda7e543", "metadata": { "tags": [] }, "outputs": [], "source": [ "cursor.execute( \n", " \"\"\"\n", " CREATE PROCEDURE loop_proc(IN starting_date DATE, \n", " IN starting_day_of_week INT)\n", " BEGIN\n", " DECLARE this_date DATE DEFAULT starting_date;\n", " DECLARE day_of_week INT DEFAULT starting_day_of_week;\n", " DECLARE day_number INT DEFAULT 1;\n", " DECLARE day_of_week_name VARCHAR(9);\n", "\n", " date_loop: LOOP\n", " CASE day_of_week\n", " WHEN 0 THEN SET day_of_week_name = 'Sunday';\n", " WHEN 1 THEN SET day_of_week_name = 'Monday';\n", " WHEN 2 THEN SET day_of_week_name = 'Tuesday';\n", " WHEN 3 THEN SET day_of_week_name = 'Wednesday';\n", " WHEN 4 THEN SET day_of_week_name = 'Thursday';\n", " WHEN 5 THEN SET day_of_week_name = 'Friday';\n", " ELSE\n", " SET day_of_week_name = 'Saturday';\n", " SET day_of_week = -1;\n", " END CASE;\n", "\n", " CALL insert_date('loop', this_date, day_of_week_name);\n", "\n", " IF day_number = 31 THEN LEAVE date_loop; END IF;\n", "\n", " SET day_number = day_number + 1;\n", " SET day_of_week = day_of_week + 1;\n", " SET this_date = DATE_ADD(this_date, INTERVAL 1 DAY);\n", " END LOOP;\n", " END \n", " \"\"\"\n", " )" ] }, { "cell_type": "code", "execution_count": 8, "id": "a0533d8c-1642-4be4-b61a-ae26488ef7c5", "metadata": {}, "outputs": [], "source": [ "cursor.close()\n", "conn.close()" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3 (ipykernel)", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.9.13" } }, "nbformat": 4, "nbformat_minor": 5 }