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362 lines
9.2 KiB
C++
362 lines
9.2 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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/***********************************************************************
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* $Id: constantcolumn.cpp 9474 2013-05-02 15:28:09Z rdempsey $
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*
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*
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***********************************************************************/
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#include <string>
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#include <iostream>
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#include <sstream>
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using namespace std;
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#include "bytestream.h"
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#include "constantcolumn.h"
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#include "objectreader.h"
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using namespace messageqcpp;
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#include "dataconvert.h"
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#include "calpontsystemcatalog.h"
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namespace execplan {
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/**
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* Constructors/Destructors
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*/
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ConstantColumn::ConstantColumn() :
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ReturnedColumn(),
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fType(0)
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{
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}
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ConstantColumn::ConstantColumn(const string& sql, TYPE type) :
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ReturnedColumn(),
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fConstval(sql),
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fType(type),
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fData(sql)
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{
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fResult.strVal = sql;
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if (type == LITERAL && sql.length() < 9)
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{
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memcpy(tmp, sql.c_str(), sql.length());
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memset(tmp+sql.length(), 0, 8);
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fResult.uintVal = uint64ToStr(*((uint64_t *) tmp));
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fResult.intVal = (int64_t)fResult.uintVal;
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}
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else
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{
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fResult.intVal = atoll(sql.c_str());
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fResult.uintVal = strtoull(sql.c_str(), NULL, 0);
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}
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fResult.floatVal = atof(sql.c_str());
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fResult.doubleVal = atof(sql.c_str());
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// decimal for constant should be constructed by the caller and call the decimal constructor
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fResult.decimalVal.value = fResult.intVal;
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fResult.decimalVal.scale = 0;
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fResult.decimalVal.precision = 18;
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// @bug 3381, default null item to integer type.
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if (fType == ConstantColumn::NULLDATA)
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{
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if (fResult.uintVal > (uint64_t)MAX_BIGINT)
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{
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fResultType.colDataType = CalpontSystemCatalog::UBIGINT;
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}
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else
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{
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fResultType.colDataType = CalpontSystemCatalog::BIGINT;
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}
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fResultType.colWidth = 8;
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}
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else
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{
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fResultType.colDataType = CalpontSystemCatalog::VARCHAR;
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fResultType.colWidth = sql.length();
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}
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}
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ConstantColumn::ConstantColumn(const string& sql, const double val) :
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ReturnedColumn(),
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fConstval(sql),
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fType(NUM),
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fData(sql)
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{
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fResult.strVal = sql;
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fResult.doubleVal = val;
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fResult.intVal = (int64_t)val;
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fResult.uintVal = (uint64_t)val;
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fResult.floatVal = (float)val;
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// decimal for constant should be constructed by the caller and call the decimal constructor
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fResult.decimalVal.value = fResult.intVal;
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fResult.decimalVal.scale = 0;
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fResult.decimalVal.precision = 18;
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fResultType.colDataType = CalpontSystemCatalog::DOUBLE;
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fResultType.colWidth = 8;
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}
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ConstantColumn::ConstantColumn(const string& sql, const int64_t val, TYPE type) :
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ReturnedColumn(),
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fConstval(sql),
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fType(type),
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fData(sql)
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{
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fResult.strVal = sql;
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fResult.intVal = val;
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fResult.uintVal = (uint64_t)fResult.intVal;
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fResult.floatVal = (float)fResult.intVal;
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fResult.doubleVal = (double)fResult.intVal;
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fResult.decimalVal.value = fResult.intVal;
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fResult.decimalVal.scale = 0;
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fResultType.colDataType = CalpontSystemCatalog::BIGINT;
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fResultType.colWidth = 8;
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}
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ConstantColumn::ConstantColumn(const string& sql, const uint64_t val, TYPE type) :
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ReturnedColumn(),
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fConstval(sql),
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fType(type),
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fData(sql)
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{
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fResult.strVal = sql;
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fResult.uintVal = val;
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fResult.intVal = (int64_t)fResult.uintVal;
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fResult.floatVal = (float)fResult.uintVal;
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fResult.doubleVal = (double)fResult.uintVal;
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fResult.decimalVal.value = fResult.uintVal;
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fResult.decimalVal.scale = 0;
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fResultType.colDataType = CalpontSystemCatalog::UBIGINT;
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fResultType.colWidth = 8;
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}
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ConstantColumn::ConstantColumn(const string& sql, const IDB_Decimal& val) :
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ReturnedColumn(),
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fConstval(sql),
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fType(NUM),
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fData(sql)
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{
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fResult.strVal = sql;
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fResult.intVal = (int64_t)atoll(sql.c_str());
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fResult.uintVal = strtoull(sql.c_str(), NULL, 0);
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fResult.floatVal = atof(sql.c_str());
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fResult.doubleVal = atof(sql.c_str());
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fResult.decimalVal = val;
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fResultType.colDataType = CalpontSystemCatalog::DECIMAL;
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fResultType.colWidth = 8;
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fResultType.scale = val.scale;
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fResultType.precision = val.precision;
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}
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ConstantColumn::ConstantColumn( const ConstantColumn& rhs):
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ReturnedColumn(rhs),
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fConstval (rhs.constval()),
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fType (rhs.type()),
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fData (rhs.data())
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{
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sequence(rhs.sequence());
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fAlias = rhs.alias();
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fResult = rhs.fResult;
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fResultType = rhs.fResultType;
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if (fRegex.get() != NULL)
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{
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fRegex.reset(new CNX_Regex());
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#ifdef _MSC_VER
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*fRegex = dataconvert::DataConvert::constructRegexp(fResult.strVal);
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#else
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string str = dataconvert::DataConvert::constructRegexp(fResult.strVal);
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regcomp(fRegex.get(), str.c_str(), REG_NOSUB | REG_EXTENDED);
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#endif
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}
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}
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ConstantColumn::ConstantColumn(const int64_t val, TYPE type) :
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ReturnedColumn(),
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fType(type)
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{
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ostringstream oss;
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oss << val;
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fConstval = oss.str();
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fData = oss.str();
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fResult.strVal = fData;
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fResult.intVal = val;
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fResult.uintVal = (uint64_t)fResult.intVal;
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fResult.floatVal = (float)fResult.intVal;
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fResult.doubleVal = (double)fResult.intVal;
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fResult.decimalVal.value = fResult.intVal;
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fResult.decimalVal.scale = 0;
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fResultType.colDataType = CalpontSystemCatalog::BIGINT;
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fResultType.colWidth = 8;
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}
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ConstantColumn::ConstantColumn(const uint64_t val, TYPE type) :
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ReturnedColumn(),
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fType(type)
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{
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ostringstream oss;
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oss << val;
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fConstval = oss.str();
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fData = oss.str();
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fResult.strVal = fData;
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fResult.intVal = (int64_t)val;
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fResult.uintVal = val;
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fResult.floatVal = (float)fResult.uintVal;
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fResult.doubleVal = (double)fResult.uintVal;
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fResult.decimalVal.value = fResult.uintVal;
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fResult.decimalVal.scale = 0;
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fResultType.colDataType = CalpontSystemCatalog::UBIGINT;
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fResultType.colWidth = 8;
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}
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ConstantColumn::~ConstantColumn()
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{
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#ifndef _MSC_VER
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if (fRegex.get() != NULL)
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regfree(fRegex.get());
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#endif
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}
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const string ConstantColumn::toString() const
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{
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ostringstream oss;
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oss << "ConstantColumn: " << fConstval << " intVal=" << fResult.intVal << " uintVal=" << fResult.uintVal;
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oss << '(';
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if (fType == LITERAL)
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oss << 'l';
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else if (fType == NUM)
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oss << 'n';
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else
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oss << "null";
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oss << ')';
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oss << " resultType=" << colDataTypeToString(fResultType.colDataType);
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if (fAlias.length() > 0) oss << "/Alias: " << fAlias;
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return oss.str();
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}
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const string ConstantColumn::data() const
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{
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return fData;
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}
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ostream& operator<<(ostream& output, const ConstantColumn& rhs)
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{
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output << rhs.toString();
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return output;
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}
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void ConstantColumn::serialize(messageqcpp::ByteStream& b) const
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{
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b << (ObjectReader::id_t) ObjectReader::CONSTANTCOLUMN;
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ReturnedColumn::serialize(b);
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b << fConstval;
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b << (uint32_t) fType;
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//b << fAlias;
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b << fData;
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b << static_cast<const ByteStream::doublebyte>(fReturnAll);
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b << (uint64_t)fResult.intVal;
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b << fResult.uintVal;
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b << (*(uint64_t*)(&fResult.doubleVal));
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b << (*(uint32_t*)(&fResult.floatVal));
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b << (uint8_t)fResult.boolVal;
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b << fResult.strVal;
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b << (uint64_t)fResult.decimalVal.value;
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b << (uint8_t)fResult.decimalVal.scale;
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b << (uint8_t)fResult.decimalVal.precision;
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}
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void ConstantColumn::unserialize(messageqcpp::ByteStream& b)
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{
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ObjectReader::checkType(b, ObjectReader::CONSTANTCOLUMN);
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ReturnedColumn::unserialize(b);
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//uint64_t val;
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b >> fConstval;
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b >> (uint32_t&) fType;
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b >> fData;
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b >> reinterpret_cast< ByteStream::doublebyte&>(fReturnAll);
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b >> (uint64_t&)fResult.intVal;
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b >> fResult.uintVal;
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b >> (uint64_t&)fResult.doubleVal;
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b >> (uint32_t&)fResult.floatVal;
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b >> (uint8_t&)fResult.boolVal;
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b >> fResult.strVal;
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b >> (uint64_t&)fResult.decimalVal.value;
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b >> (uint8_t&)fResult.decimalVal.scale;
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b >> (uint8_t&)fResult.decimalVal.precision;
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}
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bool ConstantColumn::operator==(const ConstantColumn& t) const
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{
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const ReturnedColumn *rc1, *rc2;
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rc1 = static_cast<const ReturnedColumn*>(this);
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rc2 = static_cast<const ReturnedColumn*>(&t);
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if (*rc1 != *rc2)
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return false;
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if (fConstval != t.fConstval)
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return false;
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if (fType != t.fType)
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return false;
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if (fAlias != t.fAlias)
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return false;
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if (fData != t.fData)
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return false;
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if (fReturnAll != t.fReturnAll)
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return false;
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return true;
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}
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bool ConstantColumn::operator==(const TreeNode* t) const
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{
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const ConstantColumn *o;
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o = dynamic_cast<const ConstantColumn*>(t);
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if (o == NULL)
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return false;
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return *this == *o;
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}
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bool ConstantColumn::operator!=(const ConstantColumn& t) const
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{
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return (!(*this == t));
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}
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bool ConstantColumn::operator!=(const TreeNode* t) const
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{
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return (!(*this == t));
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}
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void ConstantColumn::constructRegex()
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{
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//fRegex = new regex_t();
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fRegex.reset(new CNX_Regex());
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#ifdef _MSC_VER
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*fRegex = dataconvert::DataConvert::constructRegexp(fResult.strVal);
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#else
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string str = dataconvert::DataConvert::constructRegexp(fResult.strVal);
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regcomp(fRegex.get(), str.c_str(), REG_NOSUB | REG_EXTENDED);
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#endif
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}
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}
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// vim:ts=4 sw=4:
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