bitmap_to_array
description
Syntax
ARRAY_BIGINT bitmap_to_array(BITMAP input)
将一个bitmap转化成一个array 数组。 输入是null的话会返回null。
example
mysql> select bitmap_to_array(null);
+------------------------+
| bitmap_to_array(NULL) |
+------------------------+
| NULL |
+------------------------+
mysql> select bitmap_to_array(bitmap_empty());
+---------------------------------+
| bitmap_to_array(bitmap_empty()) |
+---------------------------------+
| [] |
+---------------------------------+
mysql> select bitmap_to_array(to_bitmap(1));
+-------------------------------+
| bitmap_to_array(to_bitmap(1)) |
+-------------------------------+
| [1] |
+-------------------------------+
mysql> select bitmap_to_array(bitmap_from_string('1,2,3,4,5'));
+--------------------------------------------------+
| bitmap_to_array(bitmap_from_string('1,2,3,4,5')) |
+--------------------------------------------------+
| [1, 2, 3, 4, 5] |
+--------------------------------------------------
keywords
BITMAP_TO_ARRAY,BITMAP