SQL Tips for DB2 LUW

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Suspending a session using a SLEEP procedure

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In this post I want to introduce a handy procedure which can be used to suspend a session for a specified amount of time. A naive approach to wait is to simply execute a tight loop in a stored procedure such as this: --#SET TERMINATOR @ CREATE OR REPLACE PROCEDURE SLEEP(seconds INTEGER) BEGIN DECLARE end TIMESTAMP; SET end = CURRENT TIMESTAMP + seconds SECONDS; wait: LOOP IF CURRENT TIMESTAMP >= end THEN LEAVE wait; END IF; END LOOP wait; END @ --#SET TERMINATOR ; VALUES CURRENT TIMESTAMP; 1 --------------------------... [More]

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Suspending a session using a SLEEP procedure