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disable pdml when update multiple tables

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st0
2022-03-10 13:09:50 +08:00
committed by LINxiansheng
parent 7afcbd32d3
commit 5358649433
2 changed files with 4 additions and 1 deletions
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3
src/sql/optimizer/ob_optimizer.cpp
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@ -256,6 +256,9 @@ int ObOptimizer::check_pdml_enabled(const ObDMLStmt& stmt, const ObSQLSessionInf
is_use_pdml = false;
} else if (stmt::T_INSERT == stmt.get_stmt_type() && !static_cast<const ObInsertStmt&>(stmt).value_from_select()) {
is_use_pdml = false;
} else if ((stmt.is_update_stmt() || stmt.is_delete_stmt()) &&
static_cast<const ObDelUpdStmt &>(stmt).dml_source_from_join()) {
is_use_pdml = false;
} else if (OB_FAIL(session.get_force_parallel_dml_dop(force_pdml_dop))) {
LOG_WARN("fail get force parallel dml session val", K(ret));
} else if (force_pdml_dop > 1) {