XE 쿼리가 실행되지 않습니다.

문서 : UTF-8 (BOM 없음)

에러

"Object Object ( [error] => 1064 [message] => You have an error in your SQL syntax;

check the manual that corresponds to your MariaDB server version for the right syntax to use near

'? `parent_srl` = ?' at line 1 [variables] => Array

( [_query] => SELECT * FROM `xe_document_categories` as `document_categories`

WHERE `module_srl` = ? `parent_srl` = ? [_elapsed_time] => 0.00020 ) [httpStatusCode] => )

XML 쿼리

<query id="getSubCategory" action="select">
    <tables>
        <table name="document_categories" />
    </tables>
    <columns>
        <column name="*" />
    </columns>
    <conditions>
        <condition operation="equal" column="module_srl" var="module_srl" filter="number" />
        <condition operation="equal" column="parent_srl" var="parent_srl" filter="number" />
    </conditions>
</query>

쿼리

$args = new StdClass();
$args->module_srl = 137;
$args->parent_srl = 3834;
$output = executeQuery('document.getSubCategory',$args);

XE를 쓰니 쌍욕이 나오네요.