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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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74
utils/funcexp/func_isnull.cpp
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@ -17,10 +17,10 @@
MA 02110-1301, USA. */
/****************************************************************************
* $Id: func_isnull.cpp 3648 2013-03-19 21:33:52Z dhall $
*
*
****************************************************************************/
* $Id: func_isnull.cpp 3648 2013-03-19 21:33:52Z dhall $
*
*
****************************************************************************/
#include <cstdlib>
#include <string>
@ -37,13 +37,12 @@ using namespace rowgroup;
namespace funcexp
{
CalpontSystemCatalog::ColType Func_isnull::operationType (FunctionParm& fp,
CalpontSystemCatalog::ColType& resultType)
CalpontSystemCatalog::ColType Func_isnull::operationType(FunctionParm& fp,
CalpontSystemCatalog::ColType& resultType)
{
// operation type of idb_isnull should be the same as the argument type
assert (fp.size() == 1);
return fp[0]->data()->resultType();
// operation type of idb_isnull should be the same as the argument type
assert(fp.size() == 1);
return fp[0]->data()->resultType();
}
/**
@ -51,44 +50,33 @@ CalpontSystemCatalog::ColType Func_isnull::operationType (FunctionParm& fp,
*
* This would be the most commonly called API for idb_isnull function
*/
bool Func_isnull::getBoolVal(Row& row,
FunctionParm& parm,
bool& isNull,
CalpontSystemCatalog::ColType& op_ct)
bool Func_isnull::getBoolVal(Row& row, FunctionParm& parm, bool& isNull, CalpontSystemCatalog::ColType& op_ct)
{
switch (op_ct.colDataType)
{
// For the purpose of this function, one does not need to get the value of
// the argument. One only need to know if the argument is NULL. The passed
// in parameter isNull will be set if the parameter is evaluated NULL.
// Please note that before this function returns, isNull should be set to
// false, otherwise the result of the function would be considered NULL,
// which is not possible for idb_isnull().
case CalpontSystemCatalog::DECIMAL:
case CalpontSystemCatalog::UDECIMAL:
parm[0]->data()->getDecimalVal(row, isNull);
break;
switch (op_ct.colDataType)
{
// For the purpose of this function, one does not need to get the value of
// the argument. One only need to know if the argument is NULL. The passed
// in parameter isNull will be set if the parameter is evaluated NULL.
// Please note that before this function returns, isNull should be set to
// false, otherwise the result of the function would be considered NULL,
// which is not possible for idb_isnull().
case CalpontSystemCatalog::DECIMAL:
case CalpontSystemCatalog::UDECIMAL: parm[0]->data()->getDecimalVal(row, isNull); break;
case CalpontSystemCatalog::CHAR:
case CalpontSystemCatalog::TEXT:
case CalpontSystemCatalog::VARCHAR:
parm[0]->data()->getStrVal(row, isNull);
break;
case CalpontSystemCatalog::CHAR:
case CalpontSystemCatalog::TEXT:
case CalpontSystemCatalog::VARCHAR: parm[0]->data()->getStrVal(row, isNull); break;
case CalpontSystemCatalog::LONGDOUBLE:
parm[0]->data()->getLongDoubleVal(row, isNull);
break;
case CalpontSystemCatalog::LONGDOUBLE: parm[0]->data()->getLongDoubleVal(row, isNull); break;
default:
parm[0]->data()->getIntVal(row, isNull);
}
default: parm[0]->data()->getIntVal(row, isNull);
}
bool ret = isNull;
// It's important to reset isNull indicator.
isNull = false;
return (fIsNotNull ? !ret : ret);
bool ret = isNull;
// It's important to reset isNull indicator.
isNull = false;
return (fIsNotNull ? !ret : ret);
}
} // namespace funcexp
} // namespace funcexp
// vim:ts=4 sw=4: