46 lines
1.3 KiB
C++
46 lines
1.3 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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#include "sql/engine/expr/ob_expr_merging_frozen_time.h"
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#include "lib/ob_name_def.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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ObExprMergingFrozenTime::ObExprMergingFrozenTime(ObIAllocator &alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_MERGING_FROZEN_TIME,
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N_MERGING_FROZEN_TIME,
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0,
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VALID_FOR_GENERATED_COL,
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NOT_ROW_DIMENSION,
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INTERNAL_IN_MYSQL_MODE)
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{
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}
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ObExprMergingFrozenTime::~ObExprMergingFrozenTime()
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{
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}
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int ObExprMergingFrozenTime::calc_result_type0(ObExprResType &type, ObExprTypeCtx &type_ctx) const
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{
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UNUSED(type_ctx);
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type.set_timestamp();
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type.set_scale(MAX_SCALE_FOR_TEMPORAL);
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return OB_SUCCESS;
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}
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}
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}
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