IN
IN
IN
description
Syntax
expr IN (value, ...)
expr IN (subquery)
如果 expr 等于 IN 列表中的任何值则返回true，否则返回false。
subquery 只能返回一列，并且子查询返回的列类型必须 expr 类型兼容。
如果 subquery 返回bitmap数据类型列，expr必须是整型。
notice
- 当前仅向量化引擎中支持 in 子查询返回bitmap列。
example
mysql> select id from cost where id in (1, 2);
+------+
| id |
+------+
| 2 |
| 1 |
+------+
mysql> select id from tbl1 where id in (select id from tbl2);
+------+
| id |
+------+
| 1 |
| 4 |
| 5 |
+------+
mysql> select id from tbl1 where id in (select bitmap_col from tbl3);
+------+
| id |
+------+
| 1 |
| 3 |
+------+
keywords
IN
