disableDataDoubling

boolean public
\Bitrix\Main\Entity\Query::disableDataDoubling(
);

This non-static method replaces all references 1:N in the filter to ID IN (subquery SELECT ID FROM <1:N relation>). Available for objects only with 1 primary field.

MSSQL does not support constructions WHERE (col1, col2) IN (SELECT col1, col2 FROM SomeOtherTable).

No parameters

Example