BITMAP_UNION_COUNT
Returns the count of distinct values in the union of a set of bitmaps.
Analyze Syntax
func.bitmap_union_count(get_column(table, 'bm'))
Analyze Examples
func.bitmap_union_count(get_column(table, 'user_bitmap'))
┌──────┐
│ 5000 │
└──────┘
SQL Syntax
BITMAP_UNION_COUNT(<bm>)
SQL Examples
SELECT BITMAP_UNION_COUNT(user_bitmap) FROM daily_visits;
┌──────┐
│ 5000 │
└──────┘