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Avoid ambigous TABLE_NAME in query #6275

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merged 6 commits into from
Feb 1, 2024
+6 −4
Merged

Avoid ambigous TABLE_NAME in query #6275

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e02e8d6
Avoid ambigous TABLE_NAME in query
dsentker Jan 25, 2024
1941c39
Rebase 3.8.0 from upstream
dsentker Jan 26, 2024
a43de21
Use a more elegant way to avoid same aliases
dsentker Jan 26, 2024
4273f9d
Fix missing alias definition
dsentker Jan 26, 2024
5e49541
remove unused import
dsentker Jan 26, 2024
5021fb7
Simplify name collision handling
dsentker Jan 29, 2024
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10 changes: 6 additions & 4 deletions src/Platforms/MariaDb1043Platform.php
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Original file line number Diff line number Diff line change
Expand Up @@ -92,17 +92,19 @@ public function getColumnTypeSQLSnippet(string $tableAlias = 'c', ?string $datab
);
}

$subQueryAlias = 'i_' . $tableAlias;

$databaseName = $this->getDatabaseNameSQL($databaseName);

// The check for `CONSTRAINT_SCHEMA = $databaseName` is mandatory here to prevent performance issues
return <<<SQL
IF(
$tableAlias.COLUMN_TYPE = 'longtext'
AND EXISTS(
SELECT * from information_schema.CHECK_CONSTRAINTS
WHERE CONSTRAINT_SCHEMA = $databaseName
AND TABLE_NAME = $tableAlias.TABLE_NAME
AND CHECK_CLAUSE = CONCAT(
SELECT * from information_schema.CHECK_CONSTRAINTS $subQueryAlias
WHERE $subQueryAlias.CONSTRAINT_SCHEMA = $databaseName
AND $subQueryAlias.TABLE_NAME = $tableAlias.TABLE_NAME
AND $subQueryAlias.CHECK_CLAUSE = CONCAT(
'json_valid(`',
$tableAlias.COLUMN_NAME,
'`)'
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