Tom Lane-2 wrote
> cowwoc <
> cowwoc@.darktech
> > writes:
>> My application invokes:
>> DROP EXTENSION IF EXISTS hstore CASCADE
>> followed by:
>> CREATE EXTENSION IF NOT EXISTS hstore SCHEMA public
>> and I get:
>> org.postgresql.util.PSQLException: ERROR: duplicate key value violates
>> unique constraint "pg_extension_name_index"
>> Detail: Key (extname)=(hstore) already exists.
>
> That's bizarre. It sounds like there's something corrupt about your
> pg_extension system catalog. Does "select * from pg_extension" show
> reasonable-looking data? If so, try "REINDEX TABLE pg_extension".
This error is quite random, so I'll have to try again the next time I run
into it. I get the following output when the database is in a "good" state:
extname, extowner, extnamespace, extrelocatable, extversion, extconfig,
extcondition
"plpgsql";10;11;f;"1.0";"";""
"hstore";13288111;2200;t;"1.2";"";""
Is that "reasonable-looking data"?
Gili
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