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

Merge branch 'column_store'

Browse Source 
Co-authored-by: wangt1xiuyi <13547954130@163.com>
Co-authored-by: yangqise7en <877793735@qq.com>
Co-authored-by: Zach41 <zach_41@163.com>
This commit is contained in:
chaser-ch
2023-10-31 15:39:20 +00:00
committed by ob-robot
parent 4057fbc4ae
commit 566e920620
1375 changed files with 239147 additions and 56014 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
src/sql/rewrite/ob_transform_utils.cpp
View File

@ -13190,6 +13190,33 @@ int ObTransformUtils::convert_aggr_expr(ObTransformerCtx *ctx,
return ret;
}
int ObTransformUtils::check_stmt_is_only_full_group_by(const ObSelectStmt *stmt,
bool &is_only_full_group_by)
{
int ret = OB_SUCCESS;
is_only_full_group_by = true;
ObSEArray<ObRawExpr *, 4> exprs;
if (OB_ISNULL(stmt)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", K(ret));
} else if (OB_FAIL(stmt->get_select_exprs(exprs))) {
LOG_WARN("failed to get select exprs", K(ret));
} else if (OB_FAIL(stmt->get_order_exprs(exprs))) {
LOG_WARN("failed to get order exprs", K(ret));
}
for (int64_t i = 0; OB_SUCC(ret) && is_only_full_group_by && i < exprs.count(); i++) {
if (OB_FAIL(check_group_by_subset(exprs.at(i), stmt->get_group_exprs(), is_only_full_group_by))) {
LOG_WARN("check group by exprs failed", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && is_only_full_group_by && i < stmt->get_having_exprs().count(); i++) {
if (OB_FAIL(check_group_by_subset(stmt->get_having_exprs().at(i), stmt->get_group_exprs(), is_only_full_group_by))) {
LOG_WARN("check group by exprs failed", K(ret));
}
}
return ret;
}
int ObTransformUtils::wrap_case_when_for_count(ObTransformerCtx *ctx,
ObDMLStmt *stmt,
ObColumnRefRawExpr *view_count,
@ -13412,6 +13439,36 @@ int ObTransformUtils::check_is_index_part_key(ObTransformerCtx &ctx,
return ret;
}
int ObTransformUtils::check_group_by_subset(ObRawExpr *expr,
const ObIArray<ObRawExpr *> &group_exprs,
bool &bret)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr is null", K(ret));
} else {
bret = true;
int64_t idx = -1;
if (expr->has_flag(IS_AGG) || expr->has_flag(IS_CONST)) {
//do nothing
} else if (OB_FAIL(ObTransformUtils::get_expr_idx(group_exprs, expr, idx))) {
LOG_WARN("get expr idx failed", K(ret));
} else if (idx == -1) { //not found
if (expr->get_param_count() == 0) {
bret = false;
} else {
for (int64_t i = 0; OB_SUCC(ret) && bret && i < expr->get_param_count(); i++) {
if (OB_FAIL(SMART_CALL(check_group_by_subset(expr->get_param_expr(i), group_exprs, bret)))) {
LOG_WARN("check group by subset faield", K(ret));
}
}
}
}
}
return ret;
}
int ObTransformUtils::get_stmt_map_after_copy(ObDMLStmt *origin_stmt,
ObDMLStmt *new_stmt,
hash::ObHashMap<uint64_t, ObDMLStmt *> &stmt_map)