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[FEAT MERGE] Support external table

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Co-authored-by: jingtaoye35 <1255153887@qq.com>
This commit is contained in:
wjhh2008
2023-04-29 15:11:49 +00:00
committed by ob-robot
parent ecb74a122c
commit 09ed904b58
164 changed files with 8074 additions and 667 deletions
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9
src/sql/optimizer/ob_opt_est_cost_model.cpp
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@ -79,6 +79,7 @@ void ObTableMetaInfo::assign(const ObTableMetaInfo &table_meta_info)
row_count_ = table_meta_info.row_count_;
has_opt_stat_ = table_meta_info.has_opt_stat_;
micro_block_count_ = table_meta_info.micro_block_count_;
table_type_ = table_meta_info.table_type_;
}
double ObTableMetaInfo::get_micro_block_numbers() const
@ -1248,6 +1249,11 @@ int ObOptEstCostModel::cost_normal_table(const ObCostTableScanInfo &est_cost_inf
if (OB_UNLIKELY(parallel < 1 || part_cnt < 1)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("get unexpected error", K(parallel), K(part_cnt), K(ret));
} else if (OB_NOT_NULL(est_cost_info.table_meta_info_)
&& EXTERNAL_TABLE == est_cost_info.table_meta_info_->table_type_) {
//TODO [ExternalTable] need refine
index_back_cost = 0;
cost = 4.0 * phy_query_range_row_count;
} else if (OB_FAIL(ObOptEstCostModel::cost_table_one_batch(est_cost_info,
part_cnt / parallel,
est_cost_info.batch_type_,
@ -1256,7 +1262,8 @@ int ObOptEstCostModel::cost_normal_table(const ObCostTableScanInfo &est_cost_inf
cost,
index_back_cost))) {
LOG_WARN("Failed to estimate cost", K(ret), K(est_cost_info));
} else {
}
if (OB_SUCC(ret)) {
LOG_TRACE("OPT:[ESTIMATE FINISH]", K(cost), K(index_back_cost),
K(phy_query_range_row_count), K(query_range_row_count),
K(est_cost_info));