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Gagan Goel 995cadef2d MCOL-641 Fix alter table add wide decimal column.
This patch also removes CalpontSystemCatalog::BINARY and
ddlpackage::DDL_BINARY that were added during the initial
stages of the work on MCOL-641.
2020-11-20 19:49:54 -05:00

335 lines
9.9 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
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. */
/*******************************************************************************
* $Id$
*
*******************************************************************************/
#ifndef WE_DDLCOMMON_H
#define WE_DDLCOMMON_H
#include <string>
#include <stdexcept>
#include <sstream>
#include <iostream>
#include <stdint.h>
#include <boost/any.hpp>
#include <boost/tuple/tuple.hpp>
#include "calpontsystemcatalog.h"
#include "objectidmanager.h"
#include "sessionmanager.h"
#include "ddlpkg.h"
#include "messageobj.h"
#include "we_type.h"
#include "we_define.h"
#include "writeengine.h"
#include "columnresult.h"
#include "brmtypes.h"
#include "joblist.h"
#if defined(_MSC_VER) && defined(xxxDDLPKGPROC_DLLEXPORT)
#define EXPORT __declspec(dllexport)
#else
#define EXPORT
#endif
#include <boost/algorithm/string/case_conv.hpp>
template <class T>
bool from_string(T& t,
const std::string& s,
std::ios_base & (*f)(std::ios_base&))
{
std::istringstream iss(s);
return !(iss >> f >> t).fail();
}
namespace WriteEngine
{
struct DDLColumn
{
execplan::CalpontSystemCatalog::OID oid;
execplan::CalpontSystemCatalog::ColType colType;
execplan::CalpontSystemCatalog::TableColName tableColName;
};
typedef std::vector<DDLColumn> ColumnList;
struct DictOID
{
int dictOID;
int listOID;
int treeOID;
int colWidth;
int compressionType;
};
struct extentInfo
{
uint16_t dbRoot;
uint32_t partition;
uint16_t segment;
bool operator==(const extentInfo& rhs) const
{
return (dbRoot == rhs.dbRoot && partition == rhs.partition && segment == rhs.segment);
}
bool operator!=(const extentInfo& rhs) const
{
return !(*this == rhs);
}
};
inline void getColumnsForTable(uint32_t sessionID, std::string schema, std::string table,
ColumnList& colList)
{
execplan::CalpontSystemCatalog::TableName tableName;
tableName.schema = schema;
tableName.table = table;
std::string err;
try
{
boost::shared_ptr<execplan::CalpontSystemCatalog> systemCatalogPtr = execplan::CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);
systemCatalogPtr->identity(execplan::CalpontSystemCatalog::EC);
const execplan::CalpontSystemCatalog::RIDList ridList = systemCatalogPtr->columnRIDs(tableName);
execplan::CalpontSystemCatalog::RIDList::const_iterator rid_iterator = ridList.begin();
while (rid_iterator != ridList.end())
{
execplan::CalpontSystemCatalog::ROPair roPair = *rid_iterator;
DDLColumn column;
column.oid = roPair.objnum;
column.colType = systemCatalogPtr->colType(column.oid);
column.tableColName = systemCatalogPtr->colName(column.oid);
colList.push_back(column);
++rid_iterator;
}
}
catch (exception& ex)
{
err = "DDLPackageProcessor::getColumnsForTable: while reading columns for table " + schema + '.' + table + ": " + ex.what();
throw std::runtime_error(err);
}
catch (...)
{
err = "DDLPackageProcessor::getColumnsForTable: caught unkown exception!" ;
throw std::runtime_error(err);
}
}
inline int convertDataType(int dataType)
{
int calpontDataType;
switch (dataType)
{
case ddlpackage::DDL_CHAR:
calpontDataType = execplan::CalpontSystemCatalog::CHAR;
break;
case ddlpackage::DDL_VARCHAR:
calpontDataType = execplan::CalpontSystemCatalog::VARCHAR;
break;
case ddlpackage::DDL_VARBINARY:
calpontDataType = execplan::CalpontSystemCatalog::VARBINARY;
break;
case ddlpackage::DDL_BIT:
calpontDataType = execplan::CalpontSystemCatalog::BIT;
break;
case ddlpackage::DDL_REAL:
case ddlpackage::DDL_DECIMAL:
case ddlpackage::DDL_NUMERIC:
case ddlpackage::DDL_NUMBER:
calpontDataType = execplan::CalpontSystemCatalog::DECIMAL;
break;
case ddlpackage::DDL_FLOAT:
calpontDataType = execplan::CalpontSystemCatalog::FLOAT;
break;
case ddlpackage::DDL_DOUBLE:
calpontDataType = execplan::CalpontSystemCatalog::DOUBLE;
break;
case ddlpackage::DDL_INT:
case ddlpackage::DDL_INTEGER:
calpontDataType = execplan::CalpontSystemCatalog::INT;
break;
case ddlpackage::DDL_BIGINT:
calpontDataType = execplan::CalpontSystemCatalog::BIGINT;
break;
case ddlpackage::DDL_MEDINT:
calpontDataType = execplan::CalpontSystemCatalog::MEDINT;
break;
case ddlpackage::DDL_SMALLINT:
calpontDataType = execplan::CalpontSystemCatalog::SMALLINT;
break;
case ddlpackage::DDL_TINYINT:
calpontDataType = execplan::CalpontSystemCatalog::TINYINT;
break;
case ddlpackage::DDL_DATE:
calpontDataType = execplan::CalpontSystemCatalog::DATE;
break;
case ddlpackage::DDL_DATETIME:
calpontDataType = execplan::CalpontSystemCatalog::DATETIME;
break;
case ddlpackage::DDL_TIME:
calpontDataType = execplan::CalpontSystemCatalog::TIME;
break;
case ddlpackage::DDL_TIMESTAMP:
calpontDataType = execplan::CalpontSystemCatalog::TIMESTAMP;
break;
case ddlpackage::DDL_CLOB:
calpontDataType = execplan::CalpontSystemCatalog::CLOB;
break;
case ddlpackage::DDL_BLOB:
calpontDataType = execplan::CalpontSystemCatalog::BLOB;
break;
case ddlpackage::DDL_TEXT:
calpontDataType = execplan::CalpontSystemCatalog::TEXT;
break;
case ddlpackage::DDL_UNSIGNED_TINYINT:
calpontDataType = execplan::CalpontSystemCatalog::UTINYINT;
break;
case ddlpackage::DDL_UNSIGNED_SMALLINT:
calpontDataType = execplan::CalpontSystemCatalog::USMALLINT;
break;
case ddlpackage::DDL_UNSIGNED_MEDINT:
calpontDataType = execplan::CalpontSystemCatalog::UMEDINT;
break;
case ddlpackage::DDL_UNSIGNED_INT:
calpontDataType = execplan::CalpontSystemCatalog::UINT;
break;
case ddlpackage::DDL_UNSIGNED_BIGINT:
calpontDataType = execplan::CalpontSystemCatalog::UBIGINT;
break;
case ddlpackage::DDL_UNSIGNED_DECIMAL:
case ddlpackage::DDL_UNSIGNED_NUMERIC:
calpontDataType = execplan::CalpontSystemCatalog::UDECIMAL;
break;
case ddlpackage::DDL_UNSIGNED_FLOAT:
calpontDataType = execplan::CalpontSystemCatalog::UFLOAT;
break;
case ddlpackage::DDL_UNSIGNED_DOUBLE:
calpontDataType = execplan::CalpontSystemCatalog::UDOUBLE;
break;
default:
throw runtime_error("Unsupported datatype!");
}
return calpontDataType;
}
inline void findColumnData(uint32_t sessionID, execplan::CalpontSystemCatalog::TableName& systableName,
const std::string& colName, DDLColumn& sysCol)
{
ColumnList columns;
ColumnList::const_iterator column_iterator;
std::string err;
try
{
getColumnsForTable(sessionID, systableName.schema, systableName.table, columns);
column_iterator = columns.begin();
while (column_iterator != columns.end())
{
sysCol = *column_iterator;
boost::to_lower(sysCol.tableColName.column);
if (colName == sysCol.tableColName.column)
{
break;
}
++column_iterator;
}
}
catch (exception& ex)
{
err = ex.what();
throw std::runtime_error(err);
}
catch (...)
{
err = "findColumnData:Unknown exception caught";
throw std::runtime_error(err);
}
}
inline void convertRidToColumn(uint64_t& rid, unsigned& dbRoot, unsigned& partition,
unsigned& segment, unsigned filesPerColumnPartition,
unsigned extentsPerSegmentFile, unsigned extentRows,
unsigned startDBRoot, unsigned dbrootCnt)
{
partition = rid / (filesPerColumnPartition * extentsPerSegmentFile * extentRows);
segment = (((rid % (filesPerColumnPartition * extentsPerSegmentFile * extentRows)) / extentRows)) % filesPerColumnPartition;
dbRoot = ((startDBRoot - 1 + segment) % dbrootCnt) + 1;
//Calculate the relative rid for this segment file
uint64_t relRidInPartition = rid - ((uint64_t)partition * (uint64_t)filesPerColumnPartition * (uint64_t)extentsPerSegmentFile * (uint64_t)extentRows);
idbassert(relRidInPartition <= (uint64_t)filesPerColumnPartition * (uint64_t)extentsPerSegmentFile * (uint64_t)extentRows);
uint32_t numExtentsInThisPart = relRidInPartition / extentRows;
unsigned numExtentsInThisSegPart = numExtentsInThisPart / filesPerColumnPartition;
uint64_t relRidInThisExtent = relRidInPartition - numExtentsInThisPart * extentRows;
rid = relRidInThisExtent + numExtentsInThisSegPart * extentRows;
}
}
#undef EXPORT
#endif