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			428 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* Copyright (C) 2014 InfiniDB, Inc.
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| 
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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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| 
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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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| 
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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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| 
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| //  $Id: functor_all.h 3495 2013-01-21 14:09:51Z rdempsey $
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| 
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| /** @file */
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| 
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| #ifndef FUNCTOR_ALL_H
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| #define FUNCTOR_ALL_H
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| 
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| #include "functor.h"
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| 
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| 
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| namespace funcexp
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| {
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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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|     /*
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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,
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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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|     	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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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| 
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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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|     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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| 
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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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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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| 
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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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|     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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| 
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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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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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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);
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| 
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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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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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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);
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| 
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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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| 
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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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| 
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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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|     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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| 
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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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|     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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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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);
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| 
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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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| 
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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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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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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);
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| 
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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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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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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);
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| 
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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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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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|     execplan::CalpontSystemCatalog::ColType operationType(FunctionParm& fp, execplan::CalpontSystemCatalog::ColType& resultType);
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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);
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| 
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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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| 
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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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|     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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| 
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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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| 
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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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| 
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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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| 
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| 
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| }
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| 
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| #endif
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