I just want to let you know one thing. By the way, I'm running Postgres 8.3.1 on windows
I was making a query using pgadmin:
select clau, lecact-lecant as m3, m3any, ta, tc, 3 as mesos, persones, true as clavegueram from fac_abonats where clau in (select clau from tmp_claus_prova) order by clau
clau is the primary key of the table fac_abonats
the thing is that the result of the query returns the same number of rows as the table fac_abonats (thousands). select clau from tmp_claus_prova return about one hundred rows, and all the values in the column exists in fac_abonats. So maybe something wrong is happening in the where clause.
At the end I've realized that there is no column named 'clau'. It has another name. So the subselect query is wrong, if I execute it alone, an error appears
ERROR: no existe la columna «clau» LINE 6: select clau from tmp_claus_prova ^
********** Error **********
ERROR: no existe la columna «clau» Estado SQL:42703 Caracter: 188
The question is: Is it a normal behaviour? Because I think that if the query is wrong, wouldn't be better to raise an error?