OK, I marked the wrong row counts, but the conclusion is the same.
Cheers,
Csaba.
> > QUERY PLAN
> > ---------------------------------------------------------------------------------------------------------------------------------------------------
> > Index Scan using ticketing_codes_uq_value_group_id on ticketing_codes
> > (cost=0.00..6.02 rows=1 width=4) (actual time=0.104..0.107 rows=1
> ^^^^^^
> > loops=1)
> > Index Cond: (((code_value)::text = 'C7ZP2U'::text) AND (code_group_id
> > = 1000))
> > Total runtime: 0.148 ms
> > (3 rows)
> >
> >
> > PLAN
> > ----------------------------------------------------------------------------------------------------------------------------------------------
> > Bitmap Heap Scan on ticketing_codes (cost=2.01..1102.05 rows=288
> ^^^^^^^^
> > width=4) (actual time=88.164..88.170 rows=1 loops=1)
> > Recheck Cond: (((code_value)::text = 'C7ZP2U'::text) AND
> > (code_group_id = 1000))
> > -> Bitmap Index Scan on ticketing_codes_uq_value_group_id
> > (cost=0.00..2.01 rows=288 width=0) (actual time=54.397..54.397 rows=1
^^^^^^^^
> > loops=1)
> > Index Cond: (((code_value)::text = 'C7ZP2U'::text) AND
> > (code_group_id = 1000))
> > Total runtime: 88.256 ms
> > (5 rows)
> >
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
