bitmap_count
Description
Returns the 1-bit count for the input bitmap.
Syntax
INT BITMAP_COUNT(any_bitmap)
Examples
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