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Version: Stable-3.1

bitmap_and

Description​

Calculates the intersection of two input bitmaps and returns the new bitmap.

Syntax​

BITMAP BITMAP_AND(BITMAP lhs, BITMAP rhs)

Examples​

MySQL > select bitmap_count(bitmap_and(to_bitmap(1), to_bitmap(2))) cnt;
+------+
| cnt  |
+------+
|    0 |
+------+

MySQL > select bitmap_count(bitmap_and(to_bitmap(1), to_bitmap(1))) cnt;
+------+
| cnt  |
+------+
|    1 |
+------+

keyword​

BITMAP_AND,BITMAP