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Modify the logic of recursive search for rownum

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This commit is contained in:
obdev
2024-02-09 00:49:18 +00:00
committed by ob-robot
parent 238cc0735c
commit 9d088dff7e
3 changed files with 54 additions and 65 deletions
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14
src/sql/code_generator/ob_static_engine_cg.cpp
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@ -635,17 +635,9 @@ int ObStaticEngineCG::check_vectorize_supported(bool &support,
// Expr rownum() shows up in both operator 0 and 2, which leads circular
// dependency and breaks rownum's defination.
//
const ObRawExpr *rownum_expr = NULL;
for (int64_t i = 0; rownum_expr == NULL && OB_SUCC(ret) && i < op->get_num_of_child(); i++) {
ObLogicalOperator *child = op->get_child(i);
if (OB_ISNULL(child)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("op child is null", K(ret));
} else if (OB_FAIL(child->find_rownum_expr(rownum_expr))) {
LOG_WARN("find rownum expr error", K(ret));
}
}
if (NULL != rownum_expr) {
ObLogicalOperator *rownum_op = NULL;
if (OB_SUCC(ret) && OB_SUCC(op->find_rownum_expr(op->get_op_id(), rownum_op))
&& rownum_op != NULL && rownum_op != op) {
LOG_DEBUG("rownum expr is in count operator's subplan tree. Stop vectorization exec");
disable_vectorize = true;
}