ContextQMD
Back to Starrocks

bitmap_count

docs/en/sql-reference/sql-functions/bitmap-functions/bitmap_count.md

4.1.0623 B
Original Source

bitmap_count

Returns the 1-bit count for the input bitmap.

Syntax

Haskell
INT BITMAP_COUNT(any_bitmap)

Examples

Plain
MySQL > select bitmap_count(bitmap_from_string("1,2,4"));
+-------------------------------------------+
| bitmap_count(bitmap_from_string('1,2,4')) |
+-------------------------------------------+
|                                         3 |
+-------------------------------------------+

MySQL > select bitmap_count(NULL);
+--------------------+
| bitmap_count(NULL) |
+--------------------+
|                  0 |
+--------------------+

keyword

BITMAP,BITMAP_COUNT