MariaDB [db]> create table t1 (a int null, b int not null) engine=Columnstore;
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Query OK, 0 rows affected (0.457 sec)
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MariaDB [db]> insert into t1 values (null,1);
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Query OK, 1 row affected (0.182 sec)
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MariaDB [db]> select table_schema, table_name, is_nullable from information_schema.columnstore_columns;
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+--------------+------------+-------------+
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| table_schema | table_name | is_nullable |
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+--------------+------------+-------------+
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| db | t1 | 0 |
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| db | t1 | 0 |
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+--------------+------------+-------------+
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2 rows in set (0.038 sec)
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