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470 lines
17 KiB
C++
470 lines
17 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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Copyright (C) 2019 MariaDB Corporation
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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_dtm.h 3495 2013-01-21 14:09:51Z rdempsey $
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/** @file */
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#pragma once
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#include "functor.h"
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namespace funcexp
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{
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/** @brief Func_Dtm class
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* For function that returns a date or datetime result.
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* Must implement getIntVal() and getStrVal()
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* Implement any other methods that behave differently from the default.
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* Note: need to pay attention to the difference between
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* getIntVal and getDateIntVal/getDatetimeIntVal.
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*/
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class Func_Dtm : public Func
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{
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public:
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Func_Dtm() = default;
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explicit Func_Dtm(const std::string& funcName) : Func(funcName)
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{
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}
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~Func_Dtm() override = default;
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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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*/
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double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override
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{
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return (double)getIntVal(row, fp, isNull, op_ct);
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}
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long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override
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{
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return (long double)getIntVal(row, fp, isNull, op_ct);
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}
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/*
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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_date class
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*/
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class Func_date : public Func_Dtm
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{
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public:
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Func_date() : Func_Dtm("date")
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{
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}
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~Func_date() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_time class
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*/
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class Func_time : public Func_Dtm
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{
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public:
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Func_time() : Func_Dtm("time")
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{
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}
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~Func_time() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_timediff class
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*/
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class Func_timediff : public Func_Dtm
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{
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public:
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Func_timediff() : Func_Dtm("timediff")
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{
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}
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~Func_timediff() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_date_add class
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*/
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class Func_date_add : public Func_Dtm
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{
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public:
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Func_date_add() : Func_Dtm("date_add")
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{
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}
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~Func_date_add() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_cast_date class
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*/
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class Func_cast_date : public Func_Dtm
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{
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public:
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Func_cast_date() : Func_Dtm("cast_date")
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{
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}
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~Func_cast_date() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_cast_datetime class
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*/
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class Func_cast_datetime : public Func_Dtm
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{
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public:
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Func_cast_datetime() : Func_Dtm("cast_datetime")
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{
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}
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~Func_cast_datetime() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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execplan::IDB_Decimal getDecimalVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_from_days class
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*/
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class Func_from_days : public Func_Dtm
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{
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public:
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Func_from_days() : Func_Dtm("from_days")
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{
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}
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~Func_from_days() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_add_time class
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*/
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class Func_add_time : public Func_Dtm
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{
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public:
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Func_add_time() : Func_Dtm("add_time")
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{
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}
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~Func_add_time() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_timestampdiff class
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*/
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class Func_timestampdiff : public Func_Dtm
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{
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public:
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Func_timestampdiff() : Func_Dtm("timestamp_diff")
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{
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}
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~Func_timestampdiff() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_sysdate class
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*/
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class Func_sysdate : public Func_Dtm
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{
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public:
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Func_sysdate() : Func_Dtm("sysdate")
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{
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}
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~Func_sysdate() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_from_unixtime
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*/
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class Func_from_unixtime : public Func_Dtm
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{
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public:
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Func_from_unixtime() : Func_Dtm("from_unixtime")
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{
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}
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~Func_from_unixtime() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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double getDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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long double getLongDoubleVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_str_to_date class
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*/
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class Func_str_to_date : public Func_Dtm
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{
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public:
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Func_str_to_date() : Func_Dtm("str_to_date")
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{
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}
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~Func_str_to_date() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int32_t getDateIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimestampIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getTimeIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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/** @brief Func_makedate class
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*/
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class Func_makedate : public Func_Dtm
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{
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public:
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Func_makedate() : Func_Dtm("makedate")
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{
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}
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~Func_makedate() override = default;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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class Func_convert_tz : public Func_Dtm
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{
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public:
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Func_convert_tz() : Func_Dtm("convert_tz")
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{
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}
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~Func_convert_tz() override = default;
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// bool from_tz_cached, to_tz_cached;
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// Time_zone *from_tz, *to_tz;
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execplan::CalpontSystemCatalog::ColType operationType(
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FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType) override;
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int64_t getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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int64_t getDatetimeIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& ct) override;
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std::string getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct) override;
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};
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} // namespace funcexp
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