imay commented on a change in pull request #1610: Add bitmap agg type and udaf
URL: https://github.com/apache/incubator-doris/pull/1610#discussion_r316943638
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File path: be/src/util/bitmap.h
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@@ -248,6 +250,144 @@ class Bitmap {
static const int64_t BIT_INDEX_MASK = 63;
};
+enum BitmapDataType {
+ EMPTY = 0,
+ INT32,
+ BITMAP
+};
+
+// the wrapper class for RoaringBitmap
+// todo(kks): improve for low cardinality set
+class RoaringBitmap {
+public:
+ RoaringBitmap() {
+ _type = EMPTY;
+ }
+
+ explicit RoaringBitmap(int32_t value) {
+ _int_value = value;
+ _type = INT32;
+ }
+
+ explicit RoaringBitmap(const char* src) {
Review comment:
I think should add some comment about input argument.
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