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fix(join): Fixes MCOL-5056, an error of joining TEXT column from InnoDB (#3160)

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We incorrectly identified TEXT columns from external tables as BLOB.
Alexander Barkov suggested a way to discriminate them which I
implemented here.
This commit is contained in:
Sergey Zefirov
2024-05-15 18:04:10 +03:00
committed by Leonid Fedorov
parent 11324c468d
commit 5f6080e09c
3 changed files with 69 additions and 0 deletions
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22
mysql-test/columnstore/basic/r/MCOL-5056-text-is-not-blob.result Normal file
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DROP DATABASE IF EXISTS MCOL5056;
CREATE DATABASE MCOL5056;
USE MCOL5056;
CREATE USER IF NOT EXISTS'cejuser'@'localhost' IDENTIFIED BY 'Vagrant1|0000001';
GRANT ALL PRIVILEGES ON *.* TO 'cejuser'@'localhost';
FLUSH PRIVILEGES;
CREATE TABLE foo5 (a TEXT);
CREATE TABLE bar5 (b TEXT) ENGINE=COLUMNSTORE;
SELECT * FROM foo5, bar5 WHERE foo5.a=bar5.b;
a b
CREATE TABLE t3i (ai TEXT, bi INTEGER, ci TEXT);
CREATE TABLE t3c (ac TEXT, bc INTEGER, cc TEXT) ENGINE=COLUMNSTORE;
SELECT * FROM t3i, t3c WHERE t3i.ai=t3c.ac;
ai bi ci ac bc cc
SELECT * FROM t3i, t3c WHERE t3i.ci=t3c.ac;
ai bi ci ac bc cc
SELECT * FROM t3i, t3c WHERE t3i.ai=t3c.cc;
ai bi ci ac bc cc
SELECT * FROM t3i, t3c WHERE t3i.ci=t3c.cc;
ai bi ci ac bc cc
DROP USER 'cejuser'@'localhost';
DROP DATABASE MCOL5056;

42
mysql-test/columnstore/basic/t/MCOL-5056-text-is-not-blob.test Normal file
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-- source include/have_innodb.inc
-- source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS MCOL5056;
--enable_warnings
CREATE DATABASE MCOL5056;
USE MCOL5056;
if (!$MASTER_MYPORT)
{
# Running with --extern
let $MASTER_MYPORT=`SELECT @@port`;
}
--exec $MCS_MCSSETCONFIG CrossEngineSupport User 'cejuser'
--exec $MCS_MCSSETCONFIG CrossEngineSupport Password 'Vagrant1|0000001'
--exec $MCS_MCSSETCONFIG CrossEngineSupport Port $MASTER_MYPORT
--disable_warnings
CREATE USER IF NOT EXISTS'cejuser'@'localhost' IDENTIFIED BY 'Vagrant1|0000001';
--enable_warnings
GRANT ALL PRIVILEGES ON *.* TO 'cejuser'@'localhost';
FLUSH PRIVILEGES;
CREATE TABLE foo5 (a TEXT);
CREATE TABLE bar5 (b TEXT) ENGINE=COLUMNSTORE;
# no data, just the fact that we can run this SELECT without errors.
SELECT * FROM foo5, bar5 WHERE foo5.a=bar5.b;
CREATE TABLE t3i (ai TEXT, bi INTEGER, ci TEXT);
CREATE TABLE t3c (ac TEXT, bc INTEGER, cc TEXT) ENGINE=COLUMNSTORE;
SELECT * FROM t3i, t3c WHERE t3i.ai=t3c.ac;
SELECT * FROM t3i, t3c WHERE t3i.ci=t3c.ac;
SELECT * FROM t3i, t3c WHERE t3i.ai=t3c.cc;
SELECT * FROM t3i, t3c WHERE t3i.ci=t3c.cc;
DROP USER 'cejuser'@'localhost';
DROP DATABASE MCOL5056;