RE: [GENERAL] Selecting field names?
Enclosed please find a sample: cfmg_am=> select attname, typname from pg_attribute, pg_type, pg_class cfmg_am-> where relname = 'pgt_processing' cfmg_am-> and attrelid = pg_class.oid cfmg_am-> and atttypid = pg_type.oid; attname | typname +--- pga_classname | name pga_processedbytransaction | int4 pga_transactionnumber | int4 pga_pid| int4 backendpid | int4 oid| oid ctid | tid xmin | xid xmax | xid cmin | cid cmax | cid pga_nodeip | inet pga_minorstatus| bpchar pga_majorstatus| bpchar pga_modifiedon | timestamp pga_createdon | timestamp (16 rows) Regards, Andrzej Mazurkiewicz [EMAIL PROTECTED] www.mazurkiewicz.org > -Original Message- > From: Michael Hall [SMTP:[EMAIL PROTECTED]] > Sent: 9 kwietnia 2000 17:58 > To: [EMAIL PROTECTED] > Subject: [GENERAL] Selecting field names? > > Is there a way to 'select' the names of the fields and the field types > of a table? > > -- > Michael J. Hall, CCAIntelligence Technologies Int'l > [EMAIL PROTECTED]http://www.inteltec.com > secure: [EMAIL PROTECTED]
Re: [GENERAL] Selecting field names?
Yes, if you start psql with the -E switch (ie, psql -E -h dbserver database) then do a \d tablename it will show you the SQL query that's used to display the table definition. You can then use this to do your selects. Here is what I get when I do the above: QUERY: SELECT a.attnum, a.attname, t.typname, a.attlen, a.atttypmod, a.attnotnull, a.atthasdef FROM pg_class c, pg_attribute a, pg_type t WHERE c.relname = 'tablename'and a.attnum > 0 and a.attrelid = c.oid and a.atttypid = t.oid ORDER BY attnum QUERY: SELECT viewname, definition FROM pg_views WHERE viewname like 'tablename' At 12:57 PM 4/9/00, Michael Hall wrote: >Is there a way to 'select' the names of the fields and the field types >of a table? > >-- >Michael J. Hall, CCAIntelligence Technologies Int'l >[EMAIL PROTECTED]http://www.inteltec.com >secure: [EMAIL PROTECTED]
