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IN

IN​

IN

description​

Syntax​

expr IN (value, ...)

expr IN (subquery)

If expr is equal to any value in the IN list, return true; otherwise, return false.

Subquery can only return one column, and the column types returned by subquery must be compatible with expr types.

If subquery returns a bitmap data type column, expr must be an integer.

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