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fix(plugin): MCOL 5675 - fix error message for null-safe equal (#3754)

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This commit is contained in:
Kristina Pavlova
2025-10-21 16:03:54 +03:00
committed by GitHub
parent 22454e6eef
commit 45fecde902
5 changed files with 37 additions and 1 deletions
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6
dbcon/mysql/ha_mcs_execplan.cpp
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@@ -1692,6 +1692,12 @@ bool buildPredicateItem(Item_func* ifp, gp_walk_info* gwip)
{
// Convert "a <=> b" to (a = b OR (a IS NULL AND b IS NULL))"
idbassert(gwip->rcWorkStack.size() >= 2);
if(std::strcmp(ifp->func_name(), "<=>") == 0)
{
gwip->fatalParseError= true;
gwip->parseErrorText = "<=> (null-safe equal) is not supported in Columnstore";
return false;
}
ReturnedColumn* rhs = gwip->rcWorkStack.top();
gwip->rcWorkStack.pop();
ReturnedColumn* lhs = gwip->rcWorkStack.top();

10
mysql-test/columnstore/basic/r/mcol-5675.result Normal file
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@@ -0,0 +1,10 @@
DROP DATABASE IF EXISTS test_mcol5675;
CREATE DATABASE test_mcol5675;
USE test_mcol5675;
CREATE TABLE person (name varchar(100) NOT NULL, surname varchar(100) DEFAULT NULL )
ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci ;
insert into person (name, surname) values ('Warren', NULL), ('Charlie', 'Peterson');
SELECT * FROM person WHERE surname <=> 1;
ERROR HY000: Internal error: <=> (null-safe equal) is not supported in Columnstore
DROP TABLE person;
DROP DATABASE test_mcol5675;

2
mysql-test/columnstore/basic/r/mcs111_comparison_operators.result
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@@ -62,7 +62,7 @@ t1_INT t1_DECIMAL
103 1234.56990
9913 98765.43210
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT <=> t1_DECIMAL ORDER BY 1;
t1_INT t1_DECIMAL
ERROR HY000: Internal error: <=> (null-safe equal) is not supported in Columnstore
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT <> t1_DECIMAL ORDER BY 1;
t1_INT t1_DECIMAL
-7299 111.99000

19
mysql-test/columnstore/basic/t/mcol-5675.test Normal file
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@@ -0,0 +1,19 @@
--disable_warnings
DROP DATABASE IF EXISTS test_mcol5675;
--enable_warnings
CREATE DATABASE test_mcol5675;
USE test_mcol5675;
CREATE TABLE person (name varchar(100) NOT NULL, surname varchar(100) DEFAULT NULL )
ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci ;
insert into person (name, surname) values ('Warren', NULL), ('Charlie', 'Peterson');
--error 1815
SELECT * FROM person WHERE surname <=> 1;
DROP TABLE person;
#clear
DROP DATABASE test_mcol5675;

1
mysql-test/columnstore/basic/t/mcs111_comparison_operators.test
View File

@@ -50,6 +50,7 @@ SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT != t1_DECIMAL ORDER BY 1;
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT = t1_DECIMAL ORDER BY 1;
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT >= t1_DECIMAL ORDER BY 1;
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT <= t1_DECIMAL ORDER BY 1;
--error 1815
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT <=> t1_DECIMAL ORDER BY 1;
SELECT t1_INT, t1_DECIMAL from t1 WHERE t1_INT <> t1_DECIMAL ORDER BY 1;