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add _hash_join_enabled/_optimizer_sortmerge_join_enabled/_nested_loop_join_enabled parameters

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This commit is contained in:
ChangerR
2023-08-25 10:10:31 +00:00
committed by ob-robot
parent 410ae92cfe
commit dc3b38fc59
6 changed files with 55 additions and 1 deletions
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12
src/sql/optimizer/ob_optimizer.cpp
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@ -695,6 +695,18 @@ int ObOptimizer::extract_opt_ctx_basic_flags(const ObDMLStmt &stmt, ObSQLSession
ctx_.set_has_dblink(has_dblink);
ctx_.set_cost_model_type(rowsets_enabled ? ObOptEstCost::VECTOR_MODEL : ObOptEstCost::NORMAL_MODEL);
ctx_.set_has_cursor_expression(has_cursor_expr);
if (!tenant_config.is_valid() ||
(!tenant_config->_hash_join_enabled &&
!tenant_config->_optimizer_sortmerge_join_enabled &&
!tenant_config->_nested_loop_join_enabled)) {
ctx_.set_hash_join_enabled(true);
ctx_.set_merge_join_enabled(true);
ctx_.set_nested_join_enabled(true);
} else {
ctx_.set_hash_join_enabled(tenant_config->_hash_join_enabled);
ctx_.set_merge_join_enabled(tenant_config->_optimizer_sortmerge_join_enabled);
ctx_.set_nested_join_enabled(tenant_config->_nested_loop_join_enabled);
}
}
return ret;
}