| 97 | } |
| 98 | |
| 99 | IMPALA_UDF_EXPORT |
| 100 | StringVal HllSerialize(FunctionContext* ctx, const StringVal& src) { |
| 101 | if (src.is_null) return src; |
| 102 | StringVal result(ctx, src.len); |
| 103 | memcpy(result.ptr, src.ptr, src.len); |
| 104 | ctx->Free(src.ptr); |
| 105 | return result; |
| 106 | } |
| 107 | |
| 108 | IMPALA_UDF_EXPORT |
| 109 | StringVal HllFinalize(FunctionContext* ctx, const StringVal& src) { |