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fix(mcol-4499): Correct handling of LIKE/NOT LIKE NULL

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This commit is contained in:
Alexander Presnyakov
2024-07-10 11:55:23 +00:00
committed by Leonid Fedorov
parent 3bb2496ca1
commit 0b0dd27fda
6 changed files with 105 additions and 8 deletions
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13
mysql-test/columnstore/bugfixes/mcol-4499-float-null.result Normal file
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DROP DATABASE IF EXISTS `doubles_and_nulls`;
CREATE DATABASE `doubles_and_nulls`;
USE `doubles_and_nulls`;
DROP TABLE IF EXISTS qatablefloat;
CREATE TABLE qatablefloat (col float) engine=columnstore;
INSERT INTO qatablefloat VALUES (null);
INSERT INTO qatablefloat VALUES (null);
INSERT INTO qatablefloat VALUES (null);
DELETE FROM qatablefloat WHERE col IS NULL;
SELECT * FROM qatablefloat;
col
DROP TABLE qatablefloat;
DROP DATABASE `doubles_and_nulls`;

19
mysql-test/columnstore/bugfixes/mcol-4499-float-null.test Normal file
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-- source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS `doubles_and_nulls`;
CREATE DATABASE `doubles_and_nulls`;
USE `doubles_and_nulls`;
DROP TABLE IF EXISTS qatablefloat;
--enable_warnings
CREATE TABLE qatablefloat (col float) engine=columnstore;
INSERT INTO qatablefloat VALUES (null);
INSERT INTO qatablefloat VALUES (null);
INSERT INTO qatablefloat VALUES (null);
DELETE FROM qatablefloat WHERE col IS NULL;
SELECT * FROM qatablefloat;
DROP TABLE qatablefloat;
DROP DATABASE `doubles_and_nulls`;

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mysql-test/columnstore/bugfixes/mcol-4499.result Normal file
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DROP DATABASE IF EXISTS `mcol_4499`;
CREATE DATABASE `mcol_4499`;
USE `mcol_4499`;
DROP TABLE IF EXISTS twidevarchar;
DROP TABLE IF EXISTS twidechar;
CREATE TABLE twidevarchar (col VARCHAR(4)) ENGINE=ColumnStore;
INSERT INTO twidevarchar VALUES (NULL),('a');
SELECT col FROM twidevarchar WHERE col LIKE NULL;
col
SELECT col FROM twidevarchar WHERE col NOT LIKE NULL;
col
DROP TABLE twidevarchar;
CREATE TABLE twidechar (col CHAR(5)) ENGINE=ColumnStore;
INSERT INTO twidechar VALUES (NULL),('a');
SELECT col FROM twidechar WHERE col LIKE NULL;
col
SELECT col FROM twidechar WHERE col NOT LIKE NULL;
col
DROP TABLE twidechar;
DROP DATABASE `mcol_4499`;

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mysql-test/columnstore/bugfixes/mcol-4499.test Normal file
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#
# MCOL-4499 NOT LIKE NULL must not return any rows
#
-- source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS `mcol_4499`;
CREATE DATABASE `mcol_4499`;
USE `mcol_4499`;
DROP TABLE IF EXISTS twidevarchar;
DROP TABLE IF EXISTS twidechar;
--enable_warnings
CREATE TABLE twidevarchar (col VARCHAR(4)) ENGINE=ColumnStore;
INSERT INTO twidevarchar VALUES (NULL),('a');
SELECT col FROM twidevarchar WHERE col LIKE NULL;
SELECT col FROM twidevarchar WHERE col NOT LIKE NULL;
DROP TABLE twidevarchar;
CREATE TABLE twidechar (col CHAR(5)) ENGINE=ColumnStore;
INSERT INTO twidechar VALUES (NULL),('a');
SELECT col FROM twidechar WHERE col LIKE NULL;
SELECT col FROM twidechar WHERE col NOT LIKE NULL;
DROP TABLE twidechar;
DROP DATABASE `mcol_4499`;