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Fixes MCOL-5599 where LIKE operator never finishes

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This is a fix of logging subsystem, nothing else.

The old code expanded an argument into string and advanced too little
and, if expansion contained argument's index, it expanded it again. And
again.
This commit is contained in:
Serguey Zefirov
2023-11-29 13:10:33 +03:00
committed by Leonid Fedorov
parent 8632c85ecf
commit 792aea2a7c
3 changed files with 31 additions and 2 deletions
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7
mysql-test/columnstore/basic/r/MCOL-5599-like-never-finishes.result Normal file
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DROP DATABASE IF EXISTS MCOL5599;
CREATE DATABASE MCOL5599;
USE MCOL5599;
CREATE TABLE t (t TEXT) ENGINE = COLUMNSTORE;
SELECT * FROM t WHERE t LIKE '%1%';
t
DROP DATABASE MCOL5599;

11
mysql-test/columnstore/basic/t/MCOL-5599-like-never-finishes.test Normal file
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--disable_warnings
DROP DATABASE IF EXISTS MCOL5599;
--enable_warnings
CREATE DATABASE MCOL5599;
USE MCOL5599;
CREATE TABLE t (t TEXT) ENGINE = COLUMNSTORE;
# This tests logging facility to correctly process agruments
# with "logging argument index" (like "%1%") in them. This has
# nothing to do with regexps. This query just have to finish.
SELECT * FROM t WHERE t LIKE '%1%';
DROP DATABASE MCOL5599;