B00LEAN BITMAP_CONTAINS(BITMAP bitmap, BIGINT input)
计算输入值是否在Bitmap列中,返回值是Boolean值.
MySQL > select bitmap_contains(to_bitmap(1),2) cnt;
+------+
| cnt |
+------+
| 0 |
+------+
MySQL > select bitmap_contains(to_bitmap(1),1) cnt;
+------+
| cnt |
+------+
| 1 |
+------+
BITMAP_CONTAINS,BITMAP