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[CP] get_stmt_max_table_dop hung

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obdev
2022-11-18 09:10:30 +00:00
committed by wangzelin.wzl
parent 6df2e15d68
commit 0036ef55b1
10 changed files with 180 additions and 15 deletions
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6
src/sql/rewrite/ob_transform_view_merge.cpp
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@ -482,6 +482,7 @@ int ObTransformViewMerge::check_basic_validity(ObDMLStmt *parent_stmt,
bool &can_be) {
int ret = OB_SUCCESS;
can_be = false;
bool has_assignment = false;
bool has_rownum_expr = false;
bool has_ref_assign_user_var = false;
bool force_merge = false;
@ -508,11 +509,14 @@ int ObTransformViewMerge::check_basic_validity(ObDMLStmt *parent_stmt,
|| !child_stmt->has_order_by())
|| child_stmt->has_limit()
|| child_stmt->get_aggr_item_size() != 0
|| child_stmt->is_contains_assignment()
|| child_stmt->has_window_function()
|| child_stmt->has_sequence()
|| child_stmt->has_ora_rowscn()) {
can_be = false;
} else if (OB_FAIL(ObTransformUtils::check_has_assignment(*child_stmt, has_assignment))) {
LOG_WARN("check has assignment failed", K(ret));
} else if (has_assignment) {
can_be = false;
} else if (OB_FAIL(child_stmt->has_rownum(has_rownum_expr))) {
LOG_WARN("failed to check has rownum expr", K(ret));
} else if (has_rownum_expr) {