c7a3116f98
The 'bitmap_has_all' function returns true if the first bitmap contains all the elements of the second bitmap.
1.4 KiB
1.4 KiB
title, language
| title | language |
|---|---|
| bitmap_has_all | en |
bitmap_has_all
description
Syntax
B00LEAN BITMAP_HAS_ALL(BITMAP lhs, BITMAP rhs)
Returns true if the first bitmap contains all the elements of the second bitmap. Returns true if the second bitmap contains an empty element.
example
mysql> select bitmap_has_all(bitmap_from_string("0, 1, 2"), bitmap_from_string("1, 2")) cnt;
+------+
| cnt |
+------+
| 1 |
+------+
mysql> select bitmap_has_all(bitmap_empty(), bitmap_from_string("1, 2")) cnt;
+------+
| cnt |
+------+
| 0 |
+------+
keyword
BITMAP_HAS_ALL,BITMAP