Function StringConcatMerge

be/src/udf_samples/uda-sample.cc:113–117

}

IMPALA_UDF_EXPORT
void StringConcatMerge(FunctionContext* context, const StringVal& src, StringVal* dst) {
  if (src.is_null) return;
  StringConcatUpdate(context, src, ",", dst);
}

IMPALA_UDF_EXPORT
StringVal StringConcatFinalize(FunctionContext* context, const StringVal& val) {