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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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58
utils/funcexp/func_strcmp.cpp
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@ -16,10 +16,10 @@
MA 02110-1301, USA. */
/****************************************************************************
* $Id: func_strcmp.cpp 2477 2011-04-01 16:07:35Z rdempsey $
*
*
****************************************************************************/
* $Id: func_strcmp.cpp 2477 2011-04-01 16:07:35Z rdempsey $
*
*
****************************************************************************/
#include <cstdlib>
#include <string>
@ -38,48 +38,40 @@ using namespace joblist;
using namespace funcexp;
namespace funcexp
{
CalpontSystemCatalog::ColType Func_strcmp::operationType(FunctionParm& fp, CalpontSystemCatalog::ColType& resultType)
CalpontSystemCatalog::ColType Func_strcmp::operationType(FunctionParm& fp,
CalpontSystemCatalog::ColType& resultType)
{
// operation type is not used by this functor
//return fp[0]->data()->resultType();
return resultType;
// operation type is not used by this functor
// return fp[0]->data()->resultType();
return resultType;
}
int64_t Func_strcmp::getIntVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
int64_t Func_strcmp::getIntVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& type)
{
CHARSET_INFO* cs = fp[0]->data()->resultType().getCharset();
const string& str = fp[0]->data()->getStrVal(row, isNull);
const string& str1 = fp[1]->data()->getStrVal(row, isNull);
CHARSET_INFO* cs = fp[0]->data()->resultType().getCharset();
const string& str = fp[0]->data()->getStrVal(row, isNull);
const string& str1 = fp[1]->data()->getStrVal(row, isNull);
int ret = cs->strnncollsp(str.c_str(), str.length(), str1.c_str(), str1.length());
// mysql's strcmp returns only -1, 0, and 1
return (ret < 0 ? -1 : (ret > 0 ? 1 : 0));
int ret = cs->strnncollsp(str.c_str(), str.length(), str1.c_str(), str1.length());
// mysql's strcmp returns only -1, 0, and 1
return (ret < 0 ? -1 : (ret > 0 ? 1 : 0));
}
std::string Func_strcmp::getStrVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
std::string Func_strcmp::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& type)
{
int64_t val = getIntVal(row, fp, isNull, type);
int64_t val = getIntVal(row, fp, isNull, type);
if (val > 0)
return string("1");
else if (val < 0)
return string("-1");
else
return string("0");
if (val > 0)
return string("1");
else if (val < 0)
return string("-1");
else
return string("0");
}
} // namespace funcexp
} // namespace funcexp
// vim:ts=4 sw=4: