Files
oceanbase/src/sql/resolver/dml/ob_any_value_checker.cpp
obdev 2d19a9d8f5 [FEAT MERGE]4_1_sql_feature
Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
Co-authored-by: Charles0429 <xiezhenjiang@gmail.com>
Co-authored-by: raywill <hustos@gmail.com>
2023-01-28 16:01:28 +08:00

142 lines
3.0 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define USING_LOG_PREFIX SQL_RESV
#include "sql/resolver/dml/ob_any_value_checker.h"
#include "sql/rewrite/ob_transform_utils.h"
#include "lib/oblog/ob_log_module.h"
//#include "lib/utility/ob_macro_utils.h"
namespace oceanbase
{
namespace sql
{
int ObAnyValueChecker::visit(ObSysFunRawExpr &expr)
{
if (T_FUN_SYS_ANY_VALUE == expr.get_expr_type()) {
set_skip_expr(&expr);
}
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObColumnRefRawExpr &expr)
{
if (undefined_column_ == &expr) {
is_pass_ = false;
}
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObConstRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObExecParamRawExpr &expr)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(expr.get_ref_expr())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("ref expr is invalid", K(ret));
} else if (OB_FAIL(expr.get_ref_expr()->preorder_accept(*this))) {
LOG_WARN("failed to visit child", K(ret));
}
return ret;
}
int ObAnyValueChecker::visit(ObVarRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObOpPseudoColumnRawExpr &expr)
{
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObQueryRefRawExpr &expr)
{
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObPlQueryRefRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObOpRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObCaseOpRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObAggFunRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObSetOpRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObAliasRefRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObWinFunRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::visit(ObPseudoColumnRawExpr &expr)
{
UNUSED(expr);
return OB_SUCCESS;
}
int ObAnyValueChecker::check_any_value(const ObRawExpr *expr, const ObColumnRefRawExpr * undefined_column)
{
int ret = OB_SUCCESS;
undefined_column_ = undefined_column;
ObRawExpr *expr_ = const_cast<ObRawExpr *>(expr);
if (OB_ISNULL(expr_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr is null");
} else if (OB_FAIL(expr_->preorder_accept(*this))) {
LOG_WARN("check any value expr fail", K(ret));
}
return ret;
}
bool ObAnyValueChecker::is_pass_after_check()
{
return is_pass_;
}
} // namespace sql
} // namespace oceanbase