ERROR: relation "idx_top0" already exists

[digoal]

HI, when i drop the lsm3 index and reindex it, will generate error like below:

postgres=# drop index idx;
DROP INDEX
postgres=# create index idx on t using lsm3(id) with (unique=true);
ERROR:  relation "idx_top0" already exists

[knizhnik]

Fixed in [7fefb79]