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BITMAP_HAS_ANY

bitmap_has_any

description

Syntax

BOOLEAN BITMAP_HAS_ANY(BITMAP lhs, BITMAP rhs)

计算两个Bitmap列是否存在相交元素,返回值是Boolean值.

example

mysql> select bitmap_has_any(to_bitmap(1),to_bitmap(2));
+--------------------------------------------+
| bitmap_has_any(to_bitmap(1), to_bitmap(2)) |
+--------------------------------------------+
| 0 |
+--------------------------------------------+

mysql> select bitmap_has_any(to_bitmap(1),to_bitmap(1));
+--------------------------------------------+
| bitmap_has_any(to_bitmap(1), to_bitmap(1)) |
+--------------------------------------------+
| 1 |
+--------------------------------------------+

keywords

BITMAP_HAS_ANY,BITMAP