78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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#include "sql/engine/expr/ob_expr_equal.h"
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#include <math.h>
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#include "common/object/ob_obj_compare.h"
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//#include "sql/engine/expr/ob_expr_promotion_util.h"
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#include "sql/session/ob_sql_session_info.h"
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namespace oceanbase
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{
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using namespace common;
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namespace sql
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{
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ObExprEqual::ObExprEqual(ObIAllocator &alloc)
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: ObRelationalExprOperator(alloc, T_OP_EQ, N_EQUAL, 2)
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{
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}
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int ObExprEqual::calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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ObExprTypeCtx &type_ctx) const
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{
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int ret = OB_SUCCESS;
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if (is_called_in_sql() && lib::is_oracle_mode() && (type1.is_lob()
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|| type1.is_lob_locator())) {
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ret = OB_ERR_INVALID_TYPE_FOR_OP;
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LOG_USER_ERROR(OB_ERR_INVALID_TYPE_FOR_OP, ob_obj_type_str(type1.get_type()),
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ob_obj_type_str(type2.get_type()));
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} else if (is_called_in_sql() && lib::is_oracle_mode() && (type2.is_lob()
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|| type2.is_lob_locator())) {
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ret = OB_ERR_INVALID_TYPE_FOR_OP;
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LOG_USER_ERROR(OB_ERR_INVALID_TYPE_FOR_OP, ob_obj_type_str(type1.get_type()),
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ob_obj_type_str(type2.get_type()));
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} else if (is_called_in_sql()
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&& lib::is_oracle_mode()
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&& (type1.is_json() || type2.is_json())) {
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ret = OB_ERR_INVALID_CMP_OP;
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LOG_USER_ERROR(OB_ERR_INVALID_CMP_OP);
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} else {
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ret = ObRelationalExprOperator::calc_result_type2(type, type1, type2, type_ctx);
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}
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return ret;
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}
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int ObExprEqual::calc(ObObj &result, const ObObj &obj1, const ObObj &obj2,
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const ObCompareCtx &cmp_ctx, ObCastCtx &cast_ctx)
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{
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return ObRelationalExprOperator::compare(result, obj1, obj2, cmp_ctx, cast_ctx, CO_EQ);
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}
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int ObExprEqual::calc_cast(ObObj &result, const ObObj &obj1, const ObObj &obj2,
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const ObCompareCtx &cmp_ctx, ObCastCtx &cast_ctx)
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{
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return ObRelationalExprOperator::compare_cast(result, obj1, obj2, cmp_ctx, cast_ctx, CO_EQ);
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}
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int ObExprEqual::calc_without_cast(ObObj &result, const ObObj &obj1, const ObObj &obj2,
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const ObCompareCtx &cmp_ctx, bool &need_cast)
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{
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return ObRelationalExprOperator::compare_nocast(result, obj1, obj2, cmp_ctx, CO_EQ, need_cast);
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}
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}
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}
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