67 lines
1.9 KiB
C++
67 lines
1.9 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 "ob_expr_part_id.h"
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#include "share/ob_i_sql_expression.h"
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#include "sql/engine/ob_exec_context.h"
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namespace oceanbase
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{
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namespace sql
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{
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ObExprPartId::ObExprPartId(common::ObIAllocator &alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_PART_ID, N_PART_ID, 1, NOT_ROW_DIMENSION,
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INTERNAL_IN_MYSQL_MODE, INTERNAL_IN_ORACLE_MODE)
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{
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}
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int ObExprPartId::calc_result_type1(ObExprResType &type,
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ObExprResType &type1,
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common::ObExprTypeCtx &type_ctx) const
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{
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UNUSED(type_ctx);
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int ret = common::OB_SUCCESS;
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if (!type1.is_uint64()) {
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ret = common::OB_INVALID_ARGUMENT;
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LOG_WARN("type1 is not int", K(type1));
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} else {
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type.set_int();
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type.set_scale(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].scale_);
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type.set_precision(common::ObAccuracy::DDL_DEFAULT_ACCURACY[common::ObIntType].precision_);
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type.set_result_flag(NOT_NULL_FLAG);
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}
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return ret;
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}
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int ObExprPartId::cg_expr(ObExprCGCtx &, const ObRawExpr &, ObExpr &rt_expr) const
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{
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int ret = OB_SUCCESS;
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rt_expr.eval_func_ = &ObExprPartId::eval_part_id;
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return ret;
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}
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int ObExprPartId::eval_part_id(const ObExpr &, ObEvalCtx &, ObDatum &expr_datum)
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{
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int ret = OB_SUCCESS;
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expr_datum.set_int(0);
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return ret;
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}
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} //end of sql
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} //end of oceanbase
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