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[FEAT MERGE] skip scan feature and performance optimization

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This commit is contained in:
obdev
2023-01-04 09:08:22 +00:00
committed by ob-robot
parent ad415b4359
commit 07b1224a51
119 changed files with 6176 additions and 2010 deletions
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28
src/sql/optimizer/ob_log_plan.cpp
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@ -4220,8 +4220,10 @@ int ObLogPlan::allocate_access_path(AccessPath *ap,
scan->set_index_back_row_count(ap->index_back_row_count_);
scan->set_estimate_method(ap->est_cost_info_.row_est_method_);
scan->set_pre_query_range(ap->pre_query_range_);
scan->set_skip_scan(OptSkipScanState::SS_DISABLE != ap->use_skip_scan_);
if (!ap->is_inner_path_ &&
OB_FAIL(scan->set_query_ranges(ap->get_cost_table_scan_info().ranges_))) {
OB_FAIL(scan->set_query_ranges(ap->get_cost_table_scan_info().ranges_,
ap->get_cost_table_scan_info().ss_ranges_))) {
LOG_WARN("failed to set query ranges", K(ret));
} else if (OB_FAIL(scan->set_range_columns(ap->get_cost_table_scan_info().range_columns_))) {
LOG_WARN("failed to set range column", K(ret));
@ -6715,7 +6717,9 @@ int ObLogPlan::check_scalar_groupby_pushdown(const ObIArray<ObAggFunRawExpr *> &
if (OB_ISNULL(cur_aggr = aggrs.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (T_FUN_COUNT != cur_aggr->get_expr_type()) {
} else if (T_FUN_COUNT != cur_aggr->get_expr_type()
&& T_FUN_MIN != cur_aggr->get_expr_type()
&& T_FUN_MAX != cur_aggr->get_expr_type()) {
can_push = false;
} else if (cur_aggr->is_param_distinct() || 1 < cur_aggr->get_real_param_count()) {
/* mysql mode, support count(distinct c1, c2). if this distinct can be eliminated,
@ -11769,6 +11773,26 @@ const ColumnItem *ObLogPlan::get_column_item_by_id(uint64_t table_id, uint64_t c
return column_item;
}
int ObLogPlan::get_column_exprs(uint64_t table_id, ObIArray<ObColumnRefRawExpr*> &column_exprs) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(get_stmt())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret), K(get_stmt()));
} else if (OB_FAIL(get_stmt()->get_column_exprs(table_id, column_exprs))) {
LOG_WARN("failed to get column exprs", K(ret));
} else {
for (int64_t i = 0; OB_SUCC(ret) && i < column_items_.count(); ++i) {
if (table_id == column_items_.at(i).table_id_
&& OB_FAIL(column_exprs.push_back(column_items_.at(i).expr_))) {
LOG_WARN("failed to push back", K(ret));
}
}
}
return ret;
}
int ObLogPlan::generate_column_expr(ObRawExprFactory &expr_factory,
const uint64_t &table_id,
const ObColumnSchemaV2 &column_schema,