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ext/mysqli: Throw error when mysql_stmt_data_seek cannot be executed #10419

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Merged
kamil-tekiela merged 4 commits into from
Apr 21, 2026
+15 −0
Merged

ext/mysqli: Throw error when mysql_stmt_data_seek cannot be executed #10419

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23d4dc1
Throw error when mysql_stmt_data_seek fails
kamil-tekiela Jan 22, 2023
89b3439
Check ahead of time
kamil-tekiela Apr 21, 2026
418a954
Add function name to the message
kamil-tekiela Apr 21, 2026
618cd41
Fix test case
kamil-tekiela Apr 21, 2026
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9 changes: 9 additions & 0 deletions ext/mysqli/mysqli_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1488,6 +1488,15 @@ PHP_FUNCTION(mysqli_stmt_data_seek)

MYSQLI_FETCH_RESOURCE_STMT(stmt, mysql_stmt, MYSQLI_STATUS_VALID);

if (!stmt->stmt->data || !stmt->stmt->data->result || !stmt->stmt->data->result->stored_data) {
if (hasThis()) {
zend_throw_error(NULL, "mysqli_stmt::data_seek(): No result set associated with the statement");
} else {
zend_throw_error(NULL, "mysqli_stmt_data_seek(): No result set associated with the statement");
}
RETURN_THROWS();
}

mysql_stmt_data_seek(stmt->stmt, offset);
}
/* }}} */
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6 changes: 6 additions & 0 deletions ext/mysqli/tests/mysqli_stmt_data_seek.phpt
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Expand Up @@ -25,6 +25,11 @@ require_once 'skipifconnectfailure.inc';
if (true !== ($tmp = mysqli_stmt_execute($stmt)))
printf("[006] Expecting boolean/true, got %s/%s\n", gettype($tmp), $tmp);

try {
mysqli_stmt_data_seek($stmt, 1);
} catch (Error $exception) {
echo $exception->getMessage() . "\n";
}

$id = null;
if (!mysqli_stmt_bind_result($stmt, $id))
Expand Down Expand Up @@ -82,6 +87,7 @@ require_once 'skipifconnectfailure.inc';
?>
--EXPECT--
mysqli_stmt object is not fully initialized
mysqli_stmt_data_seek(): No result set associated with the statement
int(3)
int(1)
int(1)
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