86 lines
2.6 KiB
C++
86 lines
2.6 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 <stdio.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdlib.h>
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#include "sql/engine/expr/ob_expr_utl_inaddr.h"
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#include "sql/session/ob_sql_session_info.h"
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using namespace oceanbase::common;
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namespace oceanbase
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{
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namespace sql
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{
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static const int64_t HOSTADDR_MAX_LENGTH = 32;
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const int64_t HOSTNAME_MAX_LENGTH = 256;
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static const int64_t HOST_BUF_LENGTH = 1024;
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ObExprUtlInaddrGetHostAddr::ObExprUtlInaddrGetHostAddr(ObIAllocator &alloc)
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: ObExprOperator(alloc, T_FUN_SYS_UTL_INADDR_GET_HOST_ADDR, N_UTL_INADDR_GET_HOST_ADDR, 1,
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false, INTERNAL_IN_ORACLE_MODE)
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{
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}
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ObExprUtlInaddrGetHostAddr::~ObExprUtlInaddrGetHostAddr()
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{
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}
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int ObExprUtlInaddrGetHostAddr::calc_result_type1(
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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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int ret = OB_SUCCESS;
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ObSessionNLSParams nls_param = type_ctx.get_session()->get_session_nls_params();
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type.set_varchar();
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type.set_length_semantics(nls_param.nls_length_semantics_);
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type.set_collation_level(CS_LEVEL_IMPLICIT);
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type.set_collation_type(nls_param.nls_collation_);
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type1.set_calc_type(ObVarcharType);
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type1.set_calc_collation_type(nls_param.nls_collation_);
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return ret;
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}
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ObExprUtlInaddrGetHostName::ObExprUtlInaddrGetHostName(ObIAllocator &alloc)
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: ObExprOperator(alloc, T_FUN_SYS_UTL_INADDR_GET_HOST_NAME, N_UTL_INADDR_GET_HOST_NAME, 1,
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false, INTERNAL_IN_ORACLE_MODE)
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{
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}
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ObExprUtlInaddrGetHostName::~ObExprUtlInaddrGetHostName()
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{
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}
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int ObExprUtlInaddrGetHostName::calc_result_type1(
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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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int ret = OB_SUCCESS;
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ObSessionNLSParams nls_param = type_ctx.get_session()->get_session_nls_params();
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type.set_varchar();
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type.set_length_semantics(nls_param.nls_length_semantics_);
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type.set_collation_level(CS_LEVEL_IMPLICIT);
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type.set_collation_type(nls_param.nls_collation_);
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type1.set_calc_type(ObVarcharType);
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type1.set_calc_collation_type(nls_param.nls_collation_);
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return ret;
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}
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}
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}
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