67 lines
1.8 KiB
C++
67 lines
1.8 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_rpc_port.h"
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#include "observer/ob_server_struct.h"
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using namespace oceanbase::common;
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using namespace oceanbase::sql;
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namespace oceanbase
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{
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namespace sql
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{
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ObExprRpcPort::ObExprRpcPort(ObIAllocator &alloc)
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: ObFuncExprOperator(alloc, T_FUN_SYS_RPC_PORT, N_RPC_PORT, 0, NOT_ROW_DIMENSION)
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{
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}
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ObExprRpcPort::~ObExprRpcPort()
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{
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}
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int ObExprRpcPort::calc_result_type0(ObExprResType &type, ObExprTypeCtx &type_ctx) const
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{
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int ret = OB_SUCCESS;
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UNUSED(type_ctx);
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type.set_int32();
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type.set_scale(ObAccuracy::DDL_DEFAULT_ACCURACY[ObInt32Type].scale_);
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type.set_precision(ObAccuracy::DDL_DEFAULT_ACCURACY[ObInt32Type].precision_);
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return ret;
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}
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int ObExprRpcPort::eval_rpc_port(const ObExpr &expr, ObEvalCtx &ctx,
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ObDatum &expr_datum)
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{
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int ret = OB_SUCCESS;
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UNUSED(expr);
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UNUSED(ctx);
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//see https://code.aone.alibaba-inc.com/oceanbase/oceanbase/codereview/4074657
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ObAddr addr = ObCurTraceId::get_addr();
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expr_datum.set_int32(addr.get_port());
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return ret;
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}
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int ObExprRpcPort::cg_expr(ObExprCGCtx &op_cg_ctx, const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const
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{
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UNUSED(raw_expr);
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UNUSED(op_cg_ctx);
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rt_expr.eval_func_ = ObExprRpcPort::eval_rpc_port;
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return OB_SUCCESS;
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}
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} // namespace sql
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} // namespace oceanbase
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