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MCOL-641 Refactor empty value implementation in writeengine.

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This commit is contained in:
Gagan Goel
2020-03-02 13:23:07 -05:00
committed by Roman Nozdrin
parent 97ee1609b2
commit 824615a55b
31 changed files with 418 additions and 812 deletions
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115
utils/common/emptyvaluemanip.cpp Normal file
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/* Copyright (C) 2020 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. */
#include "widedecimalutils.h"
#include "emptyvaluemanip.h"
namespace utils
{
void getEmptyRowValue(const execplan::CalpontSystemCatalog::ColDataType colDataType,
const int width, uint8_t* emptyVal)
{
switch (colDataType)
{
case execplan::CalpontSystemCatalog::TINYINT:
*(uint8_t*)emptyVal = joblist::TINYINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::SMALLINT:
*(uint16_t*)emptyVal = joblist::SMALLINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::MEDINT:
case execplan::CalpontSystemCatalog::INT:
*(uint32_t*)emptyVal = joblist::INTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::BIGINT:
*(uint64_t*)emptyVal = joblist::BIGINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::UTINYINT:
*(uint8_t*)emptyVal = joblist::UTINYINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::USMALLINT:
*(uint16_t*)emptyVal = joblist::USMALLINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::UMEDINT:
case execplan::CalpontSystemCatalog::UINT:
*(uint32_t*)emptyVal = joblist::UINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::UBIGINT:
*(uint64_t*)emptyVal = joblist::UBIGINTEMPTYROW;
break;
case execplan::CalpontSystemCatalog::FLOAT:
case execplan::CalpontSystemCatalog::UFLOAT:
*(uint32_t*)emptyVal = joblist::FLOATEMPTYROW;
break;
case execplan::CalpontSystemCatalog::DOUBLE:
case execplan::CalpontSystemCatalog::UDOUBLE:
*(uint64_t*)emptyVal = joblist::DOUBLEEMPTYROW;
break;
case execplan::CalpontSystemCatalog::DECIMAL:
case execplan::CalpontSystemCatalog::UDECIMAL:
if (width <= 1)
*(uint8_t*)emptyVal = joblist::TINYINTEMPTYROW;
else if (width <= 2)
*(uint16_t*)emptyVal = joblist::SMALLINTEMPTYROW;
else if (width <= 4)
*(uint32_t*)emptyVal = joblist::INTEMPTYROW;
else if (width <= 8)
*(uint64_t*)emptyVal = joblist::BIGINTEMPTYROW;
else
setWideDecimalEmptyValue(*(reinterpret_cast<int128_t*>(emptyVal)));
break;
//case CalpontSystemCatalog::BINARY:
// emptyVal = joblist::BINARYEMPTYROW;
// break;
case execplan::CalpontSystemCatalog::CHAR:
case execplan::CalpontSystemCatalog::VARCHAR:
case execplan::CalpontSystemCatalog::DATE:
case execplan::CalpontSystemCatalog::DATETIME:
case execplan::CalpontSystemCatalog::TIMESTAMP:
case execplan::CalpontSystemCatalog::TIME:
case execplan::CalpontSystemCatalog::VARBINARY:
case execplan::CalpontSystemCatalog::BLOB:
case execplan::CalpontSystemCatalog::TEXT:
default:
*(uint8_t*)emptyVal = joblist::CHAR1EMPTYROW;
int offset = (colDataType == execplan::CalpontSystemCatalog::VARCHAR) ? -1 : 0;
if (width == (2 + offset))
*(uint16_t*)emptyVal = joblist::CHAR2EMPTYROW;
else if (width >= (3 + offset) && width <= (4 + offset))
*(uint32_t*)emptyVal = joblist::CHAR4EMPTYROW;
else if (width >= (5 + offset))
*(uint64_t*)emptyVal = joblist::CHAR8EMPTYROW;
break;
}
}
} // namespace utils