"David G. Johnston" <david.g.johnston@xxxxxxxxx> writes: > I noticed that too...I suspect its related to the ANALYZE result: > Index Scan using idx_tabla_entidad on entidad (cost=0.56..51121.41 > rows=1405216 width=20) (actual time=0.037..242.609 rows=1409985 loops=1) > Index Cond: ((cod_tabla)::bigint = 4) Yeah, that *strongly* suggests that cod_tabla isn't really bigint. I'm wondering about domains, for instance. regards, tom lane