Hpla lista, tengo una consulta que saca informacion de las tablas del
catalogo de postgresql


        SELECT a.attnum, a.attname AS column_name
        FROM pg_class c, pg_attribute a, pg_type t
        WHERE c.relname = 'eMarketing_modelos'::name AND a.attnum > 0 AND
            a.attrelid = c.oid AND a.atttypid = t.oid AND (a.attname =
            'nb_systbl_1'::name OR a.attname = 'nb_systbl_2'::name OR
a.attname
            = 'nb_systbl_3'::name OR a.attname = 'nb_systbl_4'::name OR
            a.attname = 'nb_systbl_5'::name OR a.attname =
'nb_systbl_6'::name
            OR a.attname = 'nb_systbl_7'::name OR a.attname =
            'nb_systbl_8'::name OR a.attname = 'nb_systbl_9'::name OR
a.attname
            = 'nb_systbl_10'::name)

Pero necesito filtrar en ésta consuta que las tablas pertenezcan a cierto
esquema, mi preguna es como puedo filtrar el esquema en el catalogo

Saludos cordiales

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