view MySQL/Plugins/GetLastChangeIndex.sql @ 255:d663d9e44f8d

reintroduction of IDatabaseFactory into DatabaseManager
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 14 Apr 2021 17:57:08 +0200
parents 740d9829f52e
children
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CREATE TABLE IF NOT EXISTS GlobalIntegers(
       property INTEGER PRIMARY KEY,
       value BIGINT
       );


DELETE FROM GlobalIntegers WHERE property = 0;

INSERT INTO GlobalIntegers
SELECT 0, COALESCE(MAX(seq), 0) FROM Changes;


DROP TRIGGER IF EXISTS ChangeAdded;

CREATE TRIGGER ChangeAdded
AFTER INSERT ON Changes
FOR EACH ROW
BEGIN
  UPDATE GlobalIntegers SET value = new.seq WHERE property = 0@
END;