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418 lines
11 KiB
C++
418 lines
11 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id: functor_all.h 3495 2013-01-21 14:09:51Z rdempsey $
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/** @file */
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#ifndef FUNCTOR_ALL_H
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#define FUNCTOR_ALL_H
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#include "functor.h"
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namespace funcexp
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{
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/** @brief Func_All class
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* For function that can retun all supported types.
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* Must implement getIntVal(), getDoubleVal(), and getStrVal()
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* Implement any other methods that behave differently from the default.
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* Note: implementation based on result type will be more efficient.
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*/
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class Func_All : public Func
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{
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public:
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Func_All() {}
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Func_All(const std::string& funcName) : Func(funcName) {}
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virtual ~Func_All() {}
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/*
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) = 0;
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*/
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};
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/** @brief Func_simple_case class
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*/
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class Func_simple_case : public Func_All
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{
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public:
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Func_simple_case():Func_All("case_simple") {}
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virtual ~Func_simple_case() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_searched_case class
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*/
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class Func_searched_case : public Func_All
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{
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public:
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Func_searched_case():Func_All("case_searched") {}
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virtual ~Func_searched_case() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_if class
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*/
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class Func_if : public Func_All
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{
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public:
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Func_if() : Func_All("Func_if") {}
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virtual ~Func_if() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_ifnull class
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*/
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class Func_ifnull : public Func_All
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{
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public:
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Func_ifnull() : Func_All("ifnull") {}
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virtual ~Func_ifnull() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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bool getBoolVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_greatest class
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*/
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class Func_greatest : public Func_All
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{
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public:
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Func_greatest() : Func_All("greatest") {}
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virtual ~Func_greatest() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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uint64_t getUintVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_least class
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*/
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class Func_least : public Func_All
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{
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public:
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Func_least() : Func_All("least") {}
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virtual ~Func_least() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_coalesce class
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*/
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class Func_coalesce : public Func_All
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{
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public:
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Func_coalesce() : Func_All("coalesce") {}
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virtual ~Func_coalesce() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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/** @brief Func_nullif class
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*/
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class Func_nullif : public Func_All
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{
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public:
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Func_nullif() : Func_All("nullif") {}
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virtual ~Func_nullif() {}
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execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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std::string getStrVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int32_t getDateIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getDatetimeIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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int64_t getIntVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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uint64_t getUintVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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double getDoubleVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row,
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FunctionParm& fp,
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bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct);
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};
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}
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#endif
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