refactor(SQL): Staging tables and Calc stored procedures used for modular stored procedure archicture for scalability. Implemented for Product Catalogue. \n BREAKING CHANGE: BIT argument a_debug added to all but basic stored procedures for analysis of performance and results.

static/MySQL/6000_p_debug_timing_reporting.sql

@@ -0,0 +1,45 @@
+-- USE partsltd_prod;
+
+-- Clear previous proc
+DROP PROCEDURE IF EXISTS p_debug_timing_reporting;
+
+DELIMITER //
+CREATE PROCEDURE p_debug_timing_reporting (
+	IN a_time_start TIMESTAMP(6)
+)
+BEGIN
+/*
+	PROCEDURE p_debug_timing_reporting
+	Shared method timing reporting
+*/
+    DECLARE v_time_end TIMESTAMP(6);
+
+	SET v_time_end := CURRENT_TIMESTAMP(6);
+	SELECT
+		a_time_start
+		, UNIX_TIMESTAMP(a_time_start)
+		, MICROSECOND(a_time_start) / 1000
+		, v_time_end
+		, UNIX_TIMESTAMP(v_time_end)
+		, MICROSECOND(v_time_end) / 1000
+		, v_time_end - a_time_start AS timestamp_delta
+		, UNIX_TIMESTAMP(v_time_end - a_time_start) AS UNIX_TIMESTAMP_timestamp_delta
+		, MICROSECOND(v_time_end - a_time_start) AS MICROSECOND_timestamp_delta
+		-- , TIME_FORMAT(TIMEDIFF(v_time_end, a_time_start), '%H:%i:%s') AS time_difference
+		, CONCAT(
+			TIME_FORMAT(TIMEDIFF(v_time_end, a_time_start), '%H hours, %i minutes, %s seconds'),
+			', ',
+			TIMESTAMPDIFF(MICROSECOND, a_time_start, v_time_end) % 1000000 / 1000, ' milliseconds'
+		) AS time_difference
+	;
+	
+END //
+DELIMITER ;;
+
+
+
+/*
+CALL partsltd_prod.p_debug_timing_reporting (
+	CURRENT_TIMESTAMP(6)
+);
+*/