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fix some bugs

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This commit is contained in:
ChangerR
2023-06-16 03:42:31 +00:00
committed by ob-robot
parent e9a0d16b1d
commit 49a8d8bb2b
10 changed files with 112 additions and 33 deletions
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78
src/sql/optimizer/ob_optimizer.cpp
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@ -24,6 +24,7 @@
#include "sql/ob_optimizer_trace_impl.h"
#include "sql/engine/cmd/ob_table_direct_insert_service.h"
#include "sql/dblink/ob_dblink_utils.h"
#include "sql/resolver/dml/ob_merge_stmt.h"
using namespace oceanbase;
using namespace sql;
using namespace oceanbase::common;
@ -445,14 +446,22 @@ int ObOptimizer::check_pdml_supported_feature(const ObDelUpdStmt &pdml_stmt,
}
}
} else if (stmt::T_MERGE == pdml_stmt.get_stmt_type()) {
bool with_unique_global_idx = false;
if (OB_FAIL(schema_guard->check_has_global_unique_index(
session.get_effective_tenant_id(),
main_table_tid, with_unique_global_idx))) {
LOG_WARN("fail check if table with global unqiue index", K(main_table_tid), K(ret));
} else if (with_unique_global_idx) {
bool update_rowkey = false;
ObSEArray<uint64_t, 4> index_ids;
if (OB_FAIL(schema_guard->get_all_unique_index(session.get_effective_tenant_id(),
main_table_tid,
index_ids))) {
LOG_WARN("failed to get all local unique index", K(ret));
} else if (OB_FAIL(index_ids.push_back(main_table_tid))) {
LOG_WARN("failed to push back index ids", K(ret));
} else if (OB_FAIL(check_merge_stmt_is_update_index_rowkey(session,
pdml_stmt,
index_ids,
update_rowkey))) {
LOG_WARN("failed to check merge stmt update rowkey", K(ret));
} else if (update_rowkey) {
is_use_pdml = false;
ctx_.add_plan_note(PDML_DISABLED_BY_GLOBAL_UK);
ctx_.add_plan_note(PDML_DISABLE_BY_MERGE_UPDATE_PK);
}
}
}
@ -974,5 +983,60 @@ int ObOptimizer::check_force_default_stat()
} else if (is_exists_opt && use_default_opt_stat) {
ctx_.set_use_default_stat();
}
return ret;
}
int ObOptimizer::check_merge_stmt_is_update_index_rowkey(const ObSQLSessionInfo &session,
const ObDMLStmt &stmt,
const ObIArray<uint64_t> &index_ids,
bool &is_update)
{
int ret = OB_SUCCESS;
share::schema::ObSchemaGetterGuard *schema_guard = ctx_.get_schema_guard();
const ObTableSchema *table_schema = NULL;
const ObMergeStmt &merge_stmt = static_cast<const ObMergeStmt&>(stmt);
const ObMergeTableInfo& merge_table_info = merge_stmt.get_merge_table_info();
ObSEArray<uint64_t, 4> rowkey_ids;
ObSEArray<uint64_t, 4> tmp_rowkey_ids;
const ObColumnRefRawExpr* column_expr = nullptr;
const ColumnItem* column_item = nullptr;
is_update = false;
if (OB_ISNULL(schema_guard) ||
OB_UNLIKELY(stmt::T_MERGE != stmt.get_stmt_type())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("the schema guard is null", K(ret));
}
for (int64_t i = 0; OB_SUCC(ret) && i < index_ids.count(); ++i) {
tmp_rowkey_ids.reuse();
if (OB_FAIL(schema_guard->get_table_schema(session.get_effective_tenant_id(),
index_ids.at(i),
table_schema))) {
LOG_WARN("failed to get table schema", K(ret));
} else if (OB_ISNULL(table_schema)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpect null", K(ret), K(table_schema));
} else if (OB_FAIL(table_schema->get_rowkey_info().get_column_ids(tmp_rowkey_ids))) {
LOG_WARN("failed to get column ids", K(ret));
} else if (OB_FAIL(append_array_no_dup(rowkey_ids, tmp_rowkey_ids))) {
LOG_WARN("failed to append array no dup", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && !is_update && i < merge_table_info.assignments_.count(); ++i) {
if (OB_ISNULL(column_expr = merge_table_info.assignments_.at(i).column_expr_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null column expr", K(ret));
} else if (merge_table_info.table_id_ != merge_table_info.loc_table_id_) {
if (OB_ISNULL(column_item = stmt.get_column_item_by_id(column_expr->get_table_id(),
column_expr->get_column_id()))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null column item", K(ret));
} else {
is_update = ObOptimizerUtil::find_item(rowkey_ids, column_item->base_cid_);
}
} else {
is_update = ObOptimizerUtil::find_item(rowkey_ids, column_expr->get_column_id());
}
}
return ret;
}