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bitmap_union_count support window function (#2902)

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kangkaisen
2020-02-19 14:33:05 +08:00
committed by GitHub
parent 87a84a793e
commit a76f2b8211
13 changed files with 177 additions and 57 deletions
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6
be/src/exprs/bitmap_function.cpp
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@ -281,6 +281,12 @@ BigIntVal BitmapFunctions::bitmap_finalize(FunctionContext* ctx, const StringVal
return result;
}
BigIntVal BitmapFunctions::bitmap_get_value(FunctionContext* ctx, const StringVal& src) {
auto src_bitmap = reinterpret_cast<BitmapValue*>(src.ptr);
BigIntVal result(src_bitmap->cardinality());
return result;
}
void BitmapFunctions::bitmap_union(FunctionContext* ctx, const StringVal& src, StringVal* dst) {
auto dst_bitmap = reinterpret_cast<BitmapValue*>(dst->ptr);
// zero size means the src input is a agg object