You've already forked mariadb-columnstore-engine
							
							
				mirror of
				https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
				synced 2025-11-03 17:13:17 +03:00 
			
		
		
		
	* MSan added with fixes for libc++ * libc++ sepatare build * add libc++ to ci * libstdc++ in CI * libcpp and msan to external projects * std::sqrt * awful_hack(ci): install whole llvm instead of libc++ in terrible way for test containers * Adding ddeb packages for teststages and repos * libc++ more for test container * save some money on debug * colored coredumps * revert ci * chore(ci): collect asan ubsan and libc++ build with mtr and regression status ignored
		
			
				
	
	
		
			83 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* Copyright (C) 2017 MariaDB Corporation
 | 
						|
 | 
						|
   This program is free software; you can redistribute it and/or
 | 
						|
   modify it under the terms of the GNU General Public License
 | 
						|
   as published by the Free Software Foundation; version 2 of
 | 
						|
   the License.
 | 
						|
 | 
						|
   This program is distributed in the hope that it will be useful,
 | 
						|
   but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
   GNU General Public License for more details.
 | 
						|
 | 
						|
   You should have received a copy of the GNU General Public License
 | 
						|
   along with this program; if not, write to the Free Software
 | 
						|
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 | 
						|
   MA 02110-1301, USA. */
 | 
						|
 | 
						|
/***********************************************************************
 | 
						|
 *   $Id$
 | 
						|
 *
 | 
						|
 *   regr_avgx.h
 | 
						|
 ***********************************************************************/
 | 
						|
 | 
						|
/**
 | 
						|
 * Columnstore interface for for the regr_avgx function
 | 
						|
 *
 | 
						|
 *
 | 
						|
 *    CREATE AGGREGATE FUNCTION regr_avgx returns REAL soname 'libregr_mysql.so';
 | 
						|
 *
 | 
						|
 */
 | 
						|
#pragma once
 | 
						|
 | 
						|
#include <cstdlib>
 | 
						|
#include <string>
 | 
						|
#include <vector>
 | 
						|
#include <unordered.h>
 | 
						|
 | 
						|
#include "mcsv1_udaf.h"
 | 
						|
#include "calpontsystemcatalog.h"
 | 
						|
#include "windowfunctioncolumn.h"
 | 
						|
 | 
						|
#define EXPORT
 | 
						|
 | 
						|
namespace mcsv1sdk
 | 
						|
{
 | 
						|
// Override mcsv1_UDAF to build your User Defined Aggregate (UDAF) and/or
 | 
						|
// User Defined Analytic Function (UDAnF).
 | 
						|
// These will be singleton classes, so don't put any instance
 | 
						|
// specific data in here. All instance data is stored in mcsv1Context
 | 
						|
// passed to each user function and retrieved by the getUserData() method.
 | 
						|
//
 | 
						|
// Each API function returns a ReturnCode. If ERROR is returned at any time,
 | 
						|
// the query is aborted, getInterrupted() will begin to return true and the
 | 
						|
// message set in config->setErrorMessage() is returned to MariaDB.
 | 
						|
 | 
						|
// Return the regr_avgx value of the dataset
 | 
						|
 | 
						|
class regr_avgx : public mcsv1_UDAF
 | 
						|
{
 | 
						|
 public:
 | 
						|
  // Defaults OK
 | 
						|
  regr_avgx() : mcsv1_UDAF() {};
 | 
						|
  ~regr_avgx() override = default;
 | 
						|
 | 
						|
  ReturnCode init(mcsv1Context* context, ColumnDatum* colTypes) override;
 | 
						|
 | 
						|
  ReturnCode reset(mcsv1Context* context) override;
 | 
						|
 | 
						|
  ReturnCode nextValue(mcsv1Context* context, ColumnDatum* valsIn) override;
 | 
						|
 | 
						|
  ReturnCode subEvaluate(mcsv1Context* context, const UserData* valIn) override;
 | 
						|
 | 
						|
  ReturnCode evaluate(mcsv1Context* context, static_any::any& valOut) override;
 | 
						|
 | 
						|
  ReturnCode dropValue(mcsv1Context* context, ColumnDatum* valsDropped) override;
 | 
						|
 | 
						|
 protected:
 | 
						|
};
 | 
						|
 | 
						|
};  // namespace mcsv1sdk
 | 
						|
 | 
						|
#undef EXPORT
 |