Duarte Nunes created CASSANDRA-13730:
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Summary: Dropping a table doesn't drop its dropped columns
Key: CASSANDRA-13730
URL: https://issues.apache.org/jira/browse/CASSANDRA-13730
Project: Cassandra
Issue Type: Bug
Reporter: Duarte Nunes
I'm not sure if this is intended or not, but currently a table's dropped
columns are not dropped when the table itself is dropped:
{noformat}
cqlsh> create keyspace ks WITH replication={ 'class' : 'SimpleStrategy',
'replication_factor' : 1 } ;
cqlsh> use ks;
cqlsh:ks> create table test (pk text primary key, c1 int);
cqlsh:ks> alter table test drop c1;
cqlsh:ks> drop table test;
cqlsh:ks> select * from system_schema.dropped_columns where keyspace_name =
'ks' and table_name = 'test';
keyspace_name | table_name | column_name | dropped_time |
kind | type
---------------+------------+-------------+---------------------------------+---------+------
ks | test | c1 | 2017-07-25 17:53:47.651000+0000 |
regular | int
(1 rows)
{noformat}
This can have surprising consequences when creating another table with the same
name.
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