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[CP] disable var assign use das default

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obdev
2023-11-13 07:13:15 +00:00
committed by ob-robot
parent 66027a8f16
commit 6e6eedc0b8
6 changed files with 12 additions and 6 deletions
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6
src/sql/optimizer/ob_join_order.cpp
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@ -1486,7 +1486,7 @@ int ObJoinOrder::will_use_das(const uint64_t table_id,
is_sample_stmt = true;
}
}
bool enable_var_assign_use_das = true;
bool enable_var_assign_use_das = false;
if (OB_SUCC(ret)) {
ObSQLSessionInfo *session_info = NULL;
if (OB_NOT_NULL(session_info = get_plan()->get_optimizer_context().get_session_info())) {
@ -1500,12 +1500,14 @@ int ObJoinOrder::will_use_das(const uint64_t table_id,
bool hint_force_das = false;
bool hint_force_no_das = false;
int64_t explicit_dop = ObGlobalHint::UNSET_PARALLEL;
// TODO: access virtual table by remote das task is not supported, it will report 4016 error in execute server
// Ensure that the following scenarios will not combined with virtual table
force_das_tsc = get_plan()->get_optimizer_context().in_nested_sql() ||
get_plan()->get_optimizer_context().has_pl_udf() ||
get_plan()->get_optimizer_context().has_dblink() ||
get_plan()->get_optimizer_context().has_subquery_in_function_table() ||
get_plan()->get_optimizer_context().has_cursor_expression() ||
(get_plan()->get_optimizer_context().has_var_assign() && enable_var_assign_use_das) ||
(get_plan()->get_optimizer_context().has_var_assign() && enable_var_assign_use_das && !is_virtual_table(ref_id)) ||
is_batch_update_table;
if (EXTERNAL_TABLE == table_item->table_type_) {
create_das_path = false;