65 lines
2.0 KiB
C++
65 lines
2.0 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.
|
|
*/
|
|
|
|
#ifndef OCEANBASE_EXPR_CMP_FUNC_H_
|
|
#define OCEANBASE_EXPR_CMP_FUNC_H_
|
|
|
|
#include "sql/engine/expr/ob_expr.h"
|
|
#include "common/object/ob_object.h"
|
|
#include "common/object/ob_obj_compare.h"
|
|
#include "lib/charset/ob_charset.h"
|
|
|
|
namespace oceanbase
|
|
{
|
|
namespace common
|
|
{
|
|
struct ObDatum;
|
|
}
|
|
namespace sql
|
|
{
|
|
typedef int (*DatumCmpFunc)(const common::ObDatum &datum1, const common::ObDatum &datum2, int &cmp_ret);
|
|
class ObExprCmpFuncsHelper
|
|
{
|
|
public:
|
|
static sql::ObExpr::EvalFunc get_eval_expr_cmp_func(
|
|
const common::ObObjType type1,
|
|
const common::ObObjType type2,
|
|
const common::ObScale scale1,
|
|
const common::ObScale scale2,
|
|
const common::ObCmpOp cmp_op,
|
|
const bool is_oracle_mode,
|
|
const common::ObCollationType cs_type,
|
|
const bool has_lob_header);
|
|
|
|
static sql::ObExpr::EvalBatchFunc get_eval_batch_expr_cmp_func(
|
|
const common::ObObjType type1,
|
|
const common::ObObjType type2,
|
|
const common::ObScale scale1,
|
|
const common::ObScale scale2,
|
|
const common::ObCmpOp cmp_op,
|
|
const bool is_oracle_mode,
|
|
const common::ObCollationType cs_type,
|
|
const bool has_lob_header);
|
|
|
|
static DatumCmpFunc get_datum_expr_cmp_func(
|
|
const common::ObObjType type1,
|
|
const common::ObObjType type2,
|
|
const common::ObScale scale1,
|
|
const common::ObScale scale2,
|
|
const bool is_oracle_mode,
|
|
const common::ObCollationType cs_type,
|
|
const bool has_lob_header);
|
|
};
|
|
}
|
|
} // end namespace oceanbase
|
|
#endif // !OCEANBASE_EXPR_CMP_FUNC_H_
|