Thanks. Jie Liang
-----Original Message----- From: Stefan Weiss [mailto:[EMAIL PROTECTED] Sent: Friday, May 07, 2004 4:40 PM To: [EMAIL PROTECTED] Subject: Re: [SQL] \df On Saturday, 08 May 2004 01:15, Jie Liang wrote: > What sql statement equal to \df function_name > I want to know the result data type for a given function within > plpgsql. Try the -E switch for pgsql: [EMAIL PROTECTED]:~ $ psql -E Welcome to psql 7.4.2, the PostgreSQL interactive terminal. Type: \copyright for distribution terms \h for help with SQL commands \? for help on internal slash commands \g or terminate with semicolon to execute query \q to quit spaceman=# \df alt_to_iso ********* QUERY ********** SELECT CASE WHEN p.proretset THEN 'setof ' ELSE '' END || pg_catalog.format_type(p.prorettype, NULL) as "Result data type", n.nspname as "Schema", p.proname as "Name", pg_catalog.oidvectortypes(p.proargtypes) as "Argument data types" FROM pg_catalog.pg_proc p LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace WHERE p.prorettype <> 'pg_catalog.cstring'::pg_catalog.regtype AND p.proargtypes[0] <> 'pg_catalog.cstring'::pg_catalog.regtype AND NOT p.proisagg AND pg_catalog.pg_function_is_visible(p.oid) AND p.proname ~ '^alt_to_iso$' ORDER BY 2, 3, 1, 4; ************************** List of functions Result data type | Schema | Name | Argument data types ------------------+------------+------------+--------------------------- ------------------+------------+------------+------------------ void | pg_catalog | alt_to_iso | integer, integer, cstring, ... (1 row) HTH, stefan weiss ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED] ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
