imay commented on a change in pull request #2674: ADD BE UDF bitmap_and and
bitmap_or
URL: https://github.com/apache/incubator-doris/pull/2674#discussion_r363292511
##########
File path: be/src/exprs/bitmap_function.cpp
##########
@@ -388,6 +388,51 @@ BigIntVal
BitmapFunctions::bitmap_intersect_finalize(FunctionContext* ctx, const
return result;
}
+StringVal BitmapFunctions::bitmap_or(FunctionContext* ctx, const StringVal&
src, const StringVal& dst){
+ RoaringBitmap bitmap;
+ if(!src.is_null){
+ if(src.len == 0 ){
+ bitmap.merge(*reinterpret_cast<RoaringBitmap*>(src.ptr));
+ } else{
+ bitmap.merge(RoaringBitmap ((char*)src.ptr));
+ }
+ }
+
+ if(!dst.is_null){
+ if(dst.len == 0){
+ bitmap.merge(*reinterpret_cast<RoaringBitmap*>(dst.ptr));
+ } else{
+ bitmap.merge(RoaringBitmap ((char*)dst.ptr));
+ }
+ }
+
+ StringVal result(ctx,bitmap.size());
+ bitmap.serialize((char*)result.ptr);
+ return result;
+}
+StringVal BitmapFunctions::bitmap_and(FunctionContext* ctx, const StringVal&
src, const StringVal& dst){
+ RoaringBitmap bitmap;
+ if(!src.is_null){
+ if(src.len == 0 ){
Review comment:
```suggestion
if (src.len == 0) {
```
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