hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

[FEAT MERGE]

Browse Source 
Co-authored-by: cqliang1995 <cq.liang@outlook.com>
Co-authored-by: qingsuijiu <642782632@qq.com>
Co-authored-by: yaojing624 <jingfeng.jf@oceanbase.com>
This commit is contained in:
obdev
2024-04-16 10:51:16 +00:00
committed by ob-robot
parent 49b1cfbe6b
commit 037fe7d9bb
89 changed files with 4987 additions and 1511 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/sql/optimizer/ob_log_table_scan.cpp
View File

@ -342,6 +342,25 @@ int ObLogTableScan::copy_filter_before_index_back()
return ret;
}
int ObLogTableScan::find_nearest_rcte_op(ObLogSet *&log_set)
{
int ret = OB_SUCCESS;
log_set = nullptr;
ObLogicalOperator *op = this->get_parent();
while (OB_NOT_NULL(op)) {
if (log_op_def::LOG_SET == op->get_type()) {
ObLogSet *set_op = static_cast<ObLogSet *>(op);
if (set_op->is_recursive_union()) {
log_set = set_op;
break;
}
}
op = op->get_parent();
}
return ret;
}
int ObLogTableScan::generate_access_exprs()
{
int ret = OB_SUCCESS;
@ -394,6 +413,26 @@ int ObLogTableScan::generate_access_exprs()
LOG_WARN("failed to append exprs", K(ret));
} else { /*do nothing*/ }
uint64_t min_cluster_version = GET_MIN_CLUSTER_VERSION();
if (OB_SUCC(ret) && lib::is_oracle_mode() && get_contains_fake_cte()
&& ((min_cluster_version >= CLUSTER_VERSION_4_2_2_0
&& min_cluster_version < CLUSTER_VERSION_4_3_0_0)
|| (min_cluster_version >= CLUSTER_VERSION_4_3_1_0))) {
ObLogSet *rcte_op = nullptr;
if (OB_FAIL(find_nearest_rcte_op(rcte_op))) {
LOG_WARN("fail to find recursive cte op", K(ret));
} else if (OB_ISNULL(rcte_op_ = rcte_op)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("recursive cte op is NULL", K(ret));
} else if (!rcte_op_->is_breadth_search()) {
//search depth do nothing
} else if (OB_ISNULL(identify_seq_expr_ = rcte_op->get_identify_seq_expr())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("identify seq expr is NULL", K(ret));
} else if (OB_FAIL(access_exprs_.push_back(identify_seq_expr_))) {
LOG_WARN("fail to add identify seq expr", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < stmt->get_pseudo_column_like_exprs().count(); i++) {
ObRawExpr *expr = stmt->get_pseudo_column_like_exprs().at(i);
@ -655,9 +694,7 @@ int ObLogTableScan::extract_virtual_gen_access_exprs(
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr is null", K(ret), K(expr));
} else if (T_ORA_ROWSCN == expr->get_expr_type()) {
ret = OB_NOT_SUPPORTED;
LOG_WARN("rowscan not supported", K(ret));
LOG_USER_ERROR(OB_NOT_SUPPORTED, "rowscan not supported");
// keep orign expr
} else if (OB_ISNULL(mapping_expr = get_real_expr(expr))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("mapping expr is null", K(ret), KPC(expr));
@ -864,8 +901,9 @@ int ObLogTableScan::add_mapping_columns_for_vt(ObIArray<ObRawExpr*> &access_expr
LOG_DEBUG("debug mapping columns for virtual table", K(first_col_expr->get_table_id()), K(ref_table_id_));
if (share::is_oracle_mapping_real_virtual_table(ref_table_id_)) {
for (int64_t i = 0; OB_SUCC(ret) && i < access_exprs.count(); ++i) {
ObRawExpr *real_expr = NULL;
if (OB_FAIL(add_mapping_column_for_vt(static_cast<ObColumnRefRawExpr *>(access_exprs.at(i)),
ObRawExpr *real_expr = access_exprs.at(i);
if (T_ORA_ROWSCN != access_exprs.at(i)->get_expr_type()
&& OB_FAIL(add_mapping_column_for_vt(static_cast<ObColumnRefRawExpr *>(access_exprs.at(i)),
real_expr))) {
LOG_WARN("failed to add mapping column for vt", K(ret));
} else if (OB_FAIL(real_expr_map_.push_back(
@ -882,6 +920,7 @@ int ObLogTableScan::add_mapping_column_for_vt(ObColumnRefRawExpr *col_expr,
ObRawExpr *&real_expr)
{
int ret = OB_SUCCESS;
real_expr = nullptr;
int64_t mapping_table_id = share::schema::ObSchemaUtils::get_real_table_mappings_tid(ref_table_id_);
if (OB_INVALID_ID == mapping_table_id) {
ret = OB_ERR_UNEXPECTED;