RoaringBitmap
In GaussDB(DWS) 8.1.3 and later, you can use the RoaringBitmap data type to store bitmap datasets.
The RoaringBitmap data type supports row-store and column-store tables.
Name |
Storage Size |
Description |
Range |
---|---|---|---|
RoaringBitmap |
32 bytes |
Stores bitmap data sets. |
-2,147,483,648~2,147,483,647 |
Example: Create a table with the RoaringBitmap data type.
1 2 |
CREATE TABLE r_row (a int ,b text, c roaringbitmap); CREATE TABLE r_col (a int ,b text, c roaringbitmap) with (orientation=column); |
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