On 01/31/2015 11:02 AM, Christian Weyer wrote: > Just checked: the execution time is the same when I drop the index. > > Execution plan with index: > --- > "Bitmap Heap Scan on articles (cost=16.25..135.64 rows=33 width=427)" > " Recheck Cond: (data @> '{"locked": true}'::jsonb)" > " -> Bitmap Index Scan on idx_data (cost=0.00..16.24 rows=33 width=0)" > " Index Cond: (data @> '{"locked": true}'::jsonb)" > --- > > And without the index: > --- > "Seq Scan on articles (cost=0.00..2289.21 rows=33 width=427)" > " Filter: (data @> '{"locked": true}'::jsonb)" > --- Please send us the output of EXPLAIN ( ANALYZE ON, BUFFERS ON ) so that we can see what the query is actually doing, rather than just what the plan was. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance