to count no of columns in a table

Create view/storedproc on pg_class & pg_attribute tables

2006/2/16, AKHILESH GUPTA <akhilesh.davim@gmail.com>:

am 16.02.2006, um 14:43:43 +0530 mailte AKHILESH GUPTA folgendes:

hi all,
i just want to know one thing that is there any function in PGSQL which
gives me the total number of columns in a table.

select count(column_name) from information_schema.columns where table_name='foo';

HTH, Andreas
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Andreas Kretschmer (Kontakt: siehe Header)
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On fim, 2006-02-16 at 14:43 +0530, AKHILESH GUPTA wrote:

i just want to know one thing that is there any function in PGSQL
which gives me the total number of columns in a table.
OR
just like we are using count(*), it gives us total number or rows in a
table, just like i want to know the total number of columns present in
the table

this is the kind of thing the information_schema is for

select count(*) from information_schema.columns
where table_name='x';

gnari