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replace ts related to ddl with scn.

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This commit is contained in:
obdev
2022-11-28 02:21:13 +00:00
committed by ob-robot
parent bbec6aff49
commit 8a4d14122f
539 changed files with 17685 additions and 173434 deletions
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44
src/sql/rewrite/ob_transform_expr_pullup.cpp
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@ -287,16 +287,25 @@ int ObExprNodeMap::init()
}
int ObExprNodeMap::is_exist(ObRawExpr *expr, bool &is_exist)
{
int ret = OB_SUCCESS;
int64_t ref_count = 0;
ret = get_ref_count(expr, ref_count);
is_exist = (ref_count > 0);
return ret;
}
int ObExprNodeMap::get_ref_count(ObRawExpr *expr, int64_t &ref_count)
{
int ret = OB_SUCCESS;
ExprCounter counter;
ref_count = 0;
ret = expr_map_.get_refactored(get_hash_value(expr), counter);
if (OB_SUCCESS == ret) {
is_exist = true;
ref_count = counter.count_;
} else if (OB_HASH_NOT_EXIST == ret) {
ret = OB_SUCCESS;
is_exist = false;
} else {
LOG_WARN("fail to get hash map", K(ret));
}
@ -463,18 +472,28 @@ int ObTransformExprPullup::check_stmt_validity(const ObDMLStmt *stmt, bool &is_v
}
int ObTransformExprPullup::search_expr_cannot_pullup(ObRawExpr *expr,
ObExprNodeMap &expr_map,
ObIArray<ObRawExpr *> &expr_cannot_pullup)
{
int ret = OB_SUCCESS;
int64_t ref_count = 0;
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
} else if (!ObTransformExprPullup::expr_can_pullup(expr)) {
} else if (!expr_can_pullup(expr)) {
if (OB_FAIL(expr_cannot_pullup.push_back(expr))) {
LOG_WARN("fail to push back expr", K(ret));
}
} else if (expr_map.get_ref_count(expr, ref_count)) {
LOG_WARN("failed to get expr ref count", K(ret));
} else if (ref_count > 1) {
if (OB_FAIL(expr_cannot_pullup.push_back(expr))) {
LOG_WARN("failed to push back expr", K(ret));
}
} else {
for (int64_t i = 0; OB_SUCC(ret) && i < expr->get_param_count(); i++) {
if (OB_FAIL(SMART_CALL(search_expr_cannot_pullup(expr->get_param_expr(i), expr_cannot_pullup)))) {
if (OB_FAIL(SMART_CALL(search_expr_cannot_pullup(expr->get_param_expr(i),
expr_map,
expr_cannot_pullup)))) {
LOG_WARN("fail to preorder search expr", K(ret));
}
}
@ -617,7 +636,7 @@ int ObTransformExprPullup::pullup_expr_from_view(TableItem *view,
ObSEArray<ObRawExpr *, 16> select_exprs;
ObSqlBitSet<> select_expr_idxs;
ObExprNodeMap child_reject_map;
ObExprNodeMap child_reject_map2;
ObExprNodeMap child_select_map;
ObSEArray<ObRawExpr *, 16> expr_params;
ObSEArray<ObRawExpr*, 4> old_child_project_columns;
ObSEArray<ObRawExpr*, 4> select_exprs_can_pullup;
@ -632,11 +651,20 @@ int ObTransformExprPullup::pullup_expr_from_view(TableItem *view,
ObSEArray<ObRawExpr *, 16> expr_cannot_pullup;
if (OB_FAIL(child_reject_map.init())) {
LOG_WARN("fail to init shared exprs", K(ret));
} else if (OB_FAIL(child_select_map.init())) {
LOG_WARN("failed to init select map", K(ret));
} else if (OB_FAIL(child.get_relation_exprs(expr_cannot_pullup, RelExprCheckerBase::FIELD_LIST_SCOPE))) {
LOG_WARN("fail to get relation exprs", K(ret));
}
for (int64_t i = 0; OB_SUCC(ret) && i < select_exprs.count(); ++i) {
if (OB_FAIL(search_expr_cannot_pullup(select_exprs.at(i), expr_cannot_pullup))) {
if (OB_FAIL(child_select_map.add_expr_map(select_exprs.at(i)))) {
LOG_WARN("failed to add expr map", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < select_exprs.count(); ++i) {
if (OB_FAIL(search_expr_cannot_pullup(select_exprs.at(i),
child_select_map,
expr_cannot_pullup))) {
LOG_WARN("fail to get relation exprs", K(ret));
}
}
@ -692,8 +720,6 @@ int ObTransformExprPullup::pullup_expr_from_view(TableItem *view,
parent,
select_expr_idxs))) {
LOG_WARN("fail to remove select items", K(ret));
} else if (OB_FAIL(child.adjust_subquery_list())) {
LOG_WARN("fail to adjust subquery list", K(ret));
}
}
@ -705,6 +731,8 @@ int ObTransformExprPullup::pullup_expr_from_view(TableItem *view,
expr_params,
new_child_project_columns))) {
LOG_WARN("failed to create select item", K(ret));
} else if (OB_FAIL(child.adjust_subquery_list())) {
LOG_WARN("fail to adjust subquery list", K(ret));
}
}