From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | "Tchouante, Merlin" <mtchouan(at)umaryland(dot)edu> |
Cc: | "pgsql-sql(at)lists(dot)postgresql(dot)org" <pgsql-sql(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Returned row count doesn't match lines in output file |
Date: | 2019-11-07 18:06:31 |
Message-ID: | 15359.1573149991@sss.pgh.pa.us |
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Lists: | pgsql-sql |
"Tchouante, Merlin" <mtchouan(at)umaryland(dot)edu> writes:
> I'm executing an .sql file which looks like this:
> \o /home/bbuser/banner/gradeload/sodorgusers.txt
> \t on
> select u.user_id||'|'||u.firstname||'|'||u.lastname||'|'||u.email||'|'||u.student_id
> from users u, course_main cm, course_users cu
> where cu.crsmain_pk1 = cm.pk1
> and cu.users_pk1 = u.pk1
> and cm.course_id = 'Org.dent.Training'
> order by u.lastname, u.firstname;
> \t off
> \o
> When I look at the output file, it has a bunch of blank lines in between the records but displays a line count of 4916. What is causing the blank lines?
Null values in one or more of the columns you're concatenating, perhaps?
Concatenating a null with something else yields null. (See
coalesce() for one ad-hoc way to fix that.)
regards, tom lane
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