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[FEAT MERGE]

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Co-authored-by: leftgeek <1094669802@qq.com>
Co-authored-by: coolfishchen <coolfishchen@gmail.com>
Co-authored-by: hy-guo <fqboyg@gmail.com>
This commit is contained in:
chimyue
2024-04-19 06:46:36 +00:00
committed by ob-robot
parent 686b0aba5d
commit bf604885f8
143 changed files with 6932 additions and 1286 deletions
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52
src/sql/rewrite/ob_transform_pre_process.cpp
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@ -77,6 +77,15 @@ int ObTransformPreProcess::transform_one_stmt(common::ObIArray<ObParentDMLStmt>
OPT_TRACE("adjust duplicated table name", is_happened);
LOG_TRACE("succeed to adjust duplicated table name", K(is_happened), K(ret));
if (OB_SUCC(ret)) {
if (OB_FAIL(expand_materialized_view(stmt, is_happened))) {
LOG_WARN("failed to expand materialized view", K(ret));
} else {
trans_happened |= is_happened;
OPT_TRACE("expand materialized view:", is_happened);
LOG_TRACE("succeed to expand materialized view",K(is_happened), K(ret));
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(flatten_conditions(stmt, is_happened))) {
LOG_WARN("failed to flatten_condition", K(ret));
@ -332,6 +341,49 @@ int ObTransformPreProcess::need_transform(const common::ObIArray<ObParentDMLStmt
return OB_SUCCESS;
}
// for realtime view, replace basic table as generated view
int ObTransformPreProcess::expand_materialized_view(ObDMLStmt *stmt, bool &trans_happened)
{
int ret = OB_SUCCESS;
trans_happened = false;
const ObHint *hint = NULL;
if (OB_ISNULL(stmt) || OB_ISNULL(ctx_) || OB_ISNULL(ctx_->session_info_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpect null", K(ret), K(stmt), K(ctx_));
} else if (ctx_->session_info_->is_inner()) {
// when refresh mview, do not expand rt-mv
} else if (NULL != (hint = stmt->get_stmt_hint().get_normal_hint(T_MV_REWRITE))
&& hint->is_disable_hint()) {
// use no_mv_rewrite to disable expand rt mview
} else {
ObIArray<TableItem*> &tables = stmt->get_table_items();
TableItem *table_item = NULL;
bool is_modified = false;
for (int64_t i = 0; OB_SUCC(ret) && i < tables.count(); ++i) {
if (OB_ISNULL(table_item = tables.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpect null", K(ret), K(table_item));
} else if (MATERIALIZED_VIEW != table_item->table_type_
|| !table_item->need_expand_rt_mv_) {
/* do nothing */
} else if (OB_FAIL(stmt->check_table_be_modified(table_item->ref_id_, is_modified))) {
LOG_WARN("fail to check table be modified", K(ret));
} else if (is_modified) {
/* do nothing */
} else if (OB_UNLIKELY(!table_item->part_ids_.empty())) {
ret = OB_NOT_SUPPORTED;
LOG_USER_ERROR(OB_NOT_SUPPORTED, "access some partitions of real-time materialized view now");
LOG_WARN("access some partitions of real-time materialized view is not supported now", K(ret));
} else if (OB_FAIL(ObTransformUtils::expand_mview_table(ctx_, stmt, table_item))) {
LOG_WARN("fail to expand mview table", K(ret));
} else {
trans_happened = true;
}
}
}
return ret;
}
int ObTransformPreProcess::add_all_rowkey_columns_to_stmt(ObDMLStmt *stmt, bool &trans_happened)
{
int ret = OB_SUCCESS;