BITMAP_UNION (Lakehouse v2)

Returns the union of a set of bitmaps (aggregate).

Analyze Syntax

func.bitmap_union(get_column(table, 'bm'))

Analyze Examples

func.bitmap_union(get_column(table, 'user_bitmap'))

┌──────────┐
│ (bitmap) │
└──────────┘

SQL Syntax

BITMAP_UNION(<bm>)

SQL Examples

SELECT BITMAP_COUNT(BITMAP_UNION(user_bitmap)) FROM daily_visits;

┌──────┐
│ 5000 │
└──────┘