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This commit is contained in:
Leonid Fedorov
2022-02-11 12:24:40 +00:00
parent 509f005be7
commit 7c808317dc
1367 changed files with 394342 additions and 413129 deletions
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57
utils/funcexp/func_concat_oracle.cpp
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@@ -30,48 +30,45 @@ using namespace dataconvert;
namespace funcexp
{
CalpontSystemCatalog::ColType Func_concat_oracle::operationType(FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
CalpontSystemCatalog::ColType Func_concat_oracle::operationType(FunctionParm& fp,
CalpontSystemCatalog::ColType& resultType)
{
// operation type is not used by this functor
return fp[0]->data()->resultType();
// operation type is not used by this functor
return fp[0]->data()->resultType();
}
// Returns the string that results from concatenating the arguments.
// concat_oracle() returns NULL all arguments are NULL.
// single arguments null is replaced by "".
//
string Func_concat_oracle::getStrVal(Row& row,
FunctionParm& parm,
bool& isNull,
CalpontSystemCatalog::ColType&)
string Func_concat_oracle::getStrVal(Row& row, FunctionParm& parm, bool& isNull,
CalpontSystemCatalog::ColType&)
{
string ret;
string tmp;
stringValue(parm[0], row, isNull, ret);
// Oracle Mode should replace NULL with "" unless all values are NULL
string ret;
string tmp;
stringValue(parm[0], row, isNull, ret);
// Oracle Mode should replace NULL with "" unless all values are NULL
if (isNull)
{
ret = "";
isNull = false;
}
// TODO: do a better job of cutting down the number re-allocations.
// look at Item_func_concat::realloc_result for ideas and use
// std::string:resize() appropriatly.
for (unsigned int id = 1; id < parm.size(); id++)
{
stringValue(parm[id], row, isNull, tmp);
if (isNull)
{
ret = "";
isNull = false;
}
// TODO: do a better job of cutting down the number re-allocations.
// look at Item_func_concat::realloc_result for ideas and use
// std::string:resize() appropriatly.
for ( unsigned int id = 1 ; id < parm.size() ; id++)
{
stringValue(parm[id], row, isNull, tmp);
if (isNull)
{
tmp = "";
isNull = false;
}
ret.append(tmp);
tmp = "";
isNull = false;
}
ret.append(tmp);
}
return ret;
return ret;
}
} // namespace funcexp
} // namespace funcexp
// vim:ts=4 sw=4: