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@@ -975,14 +975,10 @@ class QueryBuilder implements IQueryBuilder {
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*
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* @return $this This QueryBuilder instance.
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*/
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- public function addGroupBy(...$groupBys) {
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- if (count($groupBys) === 1 && is_array($groupBys[0])) {
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- $$groupBys = $groupBys[0];
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- }
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-
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+ public function addGroupBy(...$groupBy) {
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call_user_func_array(
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[$this->queryBuilder, 'addGroupBy'],
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- $this->helper->quoteColumnNames($groupBys)
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+ $this->helper->quoteColumnNames($groupBy)
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);
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return $this;
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