From 554683f9a19fbd3ea34e75c3ca84b1d95f724e03 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sun, 11 Nov 2007 05:13:09 +0000
Subject: [PATCH] Remove /contrib/dblink/doc directory, now in SGML.
---
contrib/dblink/doc/connection | 122 -----------------
contrib/dblink/doc/cursor | 220 -------------------------------
contrib/dblink/doc/execute | 80 -----------
contrib/dblink/doc/misc | 232 --------------------------------
contrib/dblink/doc/query | 242 ----------------------------------
5 files changed, 896 deletions(-)
delete mode 100644 contrib/dblink/doc/connection
delete mode 100644 contrib/dblink/doc/cursor
delete mode 100644 contrib/dblink/doc/execute
delete mode 100644 contrib/dblink/doc/misc
delete mode 100644 contrib/dblink/doc/query
diff --git a/contrib/dblink/doc/connection b/contrib/dblink/doc/connection
deleted file mode 100644
index 48b79c01428..00000000000
--- a/contrib/dblink/doc/connection
+++ /dev/null
@@ -1,122 +0,0 @@
-$PostgreSQL: pgsql/contrib/dblink/doc/connection,v 1.5 2007/07/08 17:12:38 joe Exp $
-==================================================================
-Name
-
-dblink_connect -- Opens a persistent connection to a remote database
-
-Synopsis
-
-dblink_connect(text connstr)
-dblink_connect(text connname, text connstr)
-
-Inputs
-
- connname
- if 2 arguments are given, the first is used as a name for a persistent
- connection
-
- connstr
-
- standard libpq format connection string,
- e.g. "hostaddr=127.0.0.1 port=5432 dbname=mydb user=postgres password=mypasswd"
-
- if only one argument is given, the connection is unnamed; only one unnamed
- connection can exist at a time
-
-Outputs
-
- Returns status = "OK"
-
-Notes
-
- Only superusers may use dblink_connect to create non-password
- authenticated connections. If non-superusers need this capability,
- use dblink_connect_u instead.
-
-Example usage
-
-select dblink_connect('dbname=postgres');
- dblink_connect
-----------------
- OK
-(1 row)
-
-select dblink_connect('myconn','dbname=postgres');
- dblink_connect
-----------------
- OK
-(1 row)
-
-==================================================================
-Name
-
-dblink_connect_u -- Opens a persistent connection to a remote database
-
-Synopsis
-
-dblink_connect_u(text connstr)
-dblink_connect_u(text connname, text connstr)
-
-Inputs
-
- connname
- if 2 arguments are given, the first is used as a name for a persistent
- connection
-
- connstr
-
- standard libpq format connection string,
- e.g. "hostaddr=127.0.0.1 port=5432 dbname=mydb user=postgres password=mypasswd"
-
- if only one argument is given, the connection is unnamed; only one unnamed
- connection can exist at a time
-
-Outputs
-
- Returns status = "OK"
-
-Notes
-
- With dblink_connect_u, a non-superuser may connect to any database server
- using any authentication method. If the authentication method specified
- for a particular user does not require a password, impersonation and
- therefore escalation of privileges may occur. For this reason,
- dblink_connect_u is initially installed with all privileges revoked from
- public. Privilege to these functions should be granted with care.
-
-Example usage
-
-
-==================================================================
-Name
-
-dblink_disconnect -- Closes a persistent connection to a remote database
-
-Synopsis
-
-dblink_disconnect()
-dblink_disconnect(text connname)
-
-Inputs
-
- connname
- if an argument is given, it is used as a name for a persistent
- connection to close; otherwiase the unnamed connection is closed
-
-Outputs
-
- Returns status = "OK"
-
-Example usage
-
-test=# select dblink_disconnect();
- dblink_disconnect
--------------------
- OK
-(1 row)
-
-select dblink_disconnect('myconn');
- dblink_disconnect
--------------------
- OK
-(1 row)
diff --git a/contrib/dblink/doc/cursor b/contrib/dblink/doc/cursor
deleted file mode 100644
index 87459958288..00000000000
--- a/contrib/dblink/doc/cursor
+++ /dev/null
@@ -1,220 +0,0 @@
-$PostgreSQL: pgsql/contrib/dblink/doc/cursor,v 1.6 2006/03/11 04:38:29 momjian Exp $
-==================================================================
-Name
-
-dblink_open -- Opens a cursor on a remote database
-
-Synopsis
-
-dblink_open(text cursorname, text sql [, bool fail_on_error])
-dblink_open(text connname, text cursorname, text sql [, bool fail_on_error])
-
-Inputs
-
- connname
- if three arguments are present, the first is taken as the specific
- connection name to use; otherwise the unnamed connection is assumed
-
- cursorname
-
- a reference name for the cursor
-
- sql
-
- sql statement that you wish to execute on the remote host
- e.g. "select * from pg_class"
-
- fail_on_error
-
- If true (default when not present) then an ERROR thrown on the remote side
- of the connection causes an ERROR to also be thrown locally. If false, the
- remote ERROR is locally treated as a NOTICE, and the return value is set
- to 'ERROR'.
-
-Outputs
-
- Returns status = "OK"
-
-Note
- 1) dblink_connect(text connstr) must be executed first
- 2) dblink_open starts an explicit transaction. If, after using dblink_open,
- you use dblink_exec to change data, and then an error occurs or you use
- dblink_disconnect without a dblink_close first, your change *will* be
- lost. Also, using dblink_close explicitly ends the transaction and thus
- effectively closes *all* open cursors.
-
-Example usage
-
-test=# select dblink_connect('dbname=postgres');
- dblink_connect
-----------------
- OK
-(1 row)
-
-test=# select dblink_open('foo','select proname, prosrc from pg_proc');
- dblink_open
--------------
- OK
-(1 row)
-
-==================================================================
-Name
-
-dblink_fetch -- Returns a set from an open cursor on a remote database
-
-Synopsis
-
-dblink_fetch(text cursorname, int32 howmany [, bool fail_on_error])
-dblink_fetch(text connname, text cursorname, int32 howmany [, bool fail_on_error])
-
-Inputs
-
- connname
- if three arguments are present, the first is taken as the specific
- connection name to use; otherwise the unnamed connection is assumed
-
- cursorname
-
- The reference name for the cursor
-
- howmany
-
- Maximum number of rows to retrieve. The next howmany rows are fetched,
- starting at the current cursor position, moving forward. Once the cursor
- has positioned to the end, no more rows are produced.
-
- fail_on_error
-
- If true (default when not present) then an ERROR thrown on the remote side
- of the connection causes an ERROR to also be thrown locally. If false, the
- remote ERROR is locally treated as a NOTICE, and no rows are returned.
-
-Outputs
-
- Returns setof record
-
-Note
-
- On a mismatch between the number of return fields as specified in the FROM
- clause, and the actual number of fields returned by the remote cursor, an
- ERROR will be thrown. In this event, the remote cursor is still advanced
- by as many rows as it would have been if the ERROR had not occurred.
-
-Example usage
-
-test=# select dblink_connect('dbname=postgres');
- dblink_connect
-----------------
- OK
-(1 row)
-
-test=# select dblink_open('foo','select proname, prosrc from pg_proc where proname like ''bytea%''');
- dblink_open
--------------
- OK
-(1 row)
-
-test=# select * from dblink_fetch('foo',5) as (funcname name, source text);
- funcname | source
-----------+----------
- byteacat | byteacat
- byteacmp | byteacmp
- byteaeq | byteaeq
- byteage | byteage
- byteagt | byteagt
-(5 rows)
-
-test=# select * from dblink_fetch('foo',5) as (funcname name, source text);
- funcname | source
------------+-----------
- byteain | byteain
- byteale | byteale
- bytealike | bytealike
- bytealt | bytealt
- byteane | byteane
-(5 rows)
-
-test=# select * from dblink_fetch('foo',5) as (funcname name, source text);
- funcname | source
-------------+------------
- byteanlike | byteanlike
- byteaout | byteaout
-(2 rows)
-
-test=# select * from dblink_fetch('foo',5) as (funcname name, source text);
- funcname | source
-----------+--------
-(0 rows)
-
-==================================================================
-Name
-
-dblink_close -- Closes a cursor on a remote database
-
-Synopsis
-
-dblink_close(text cursorname [, bool fail_on_error])
-dblink_close(text connname, text cursorname [, bool fail_on_error])
-
-Inputs
-
- connname
- if two arguments are present, the first is taken as the specific
- connection name to use; otherwise the unnamed connection is assumed
-
- cursorname
-
- a reference name for the cursor
-
- fail_on_error
-
- If true (default when not present) then an ERROR thrown on the remote side
- of the connection causes an ERROR to also be thrown locally. If false, the
- remote ERROR is locally treated as a NOTICE, and the return value is set
- to 'ERROR'.
-
-Outputs
-
- Returns status = "OK"
-
-Note
- dblink_connect(text connstr) or dblink_connect(text connname, text connstr)
- must be executed first.
-
-Example usage
-
-test=# select dblink_connect('dbname=postgres');
- dblink_connect
-----------------
- OK
-(1 row)
-
-test=# select dblink_open('foo','select proname, prosrc from pg_proc');
- dblink_open
--------------
- OK
-(1 row)
-
-test=# select dblink_close('foo');
- dblink_close
---------------
- OK
-(1 row)
-
-select dblink_connect('myconn','dbname=regression');
- dblink_connect
-----------------
- OK
-(1 row)
-
-select dblink_open('myconn','foo','select proname, prosrc from pg_proc');
- dblink_open
--------------
- OK
-(1 row)
-
-select dblink_close('myconn','foo');
- dblink_close
---------------
- OK
-(1 row)
diff --git a/contrib/dblink/doc/execute b/contrib/dblink/doc/execute
deleted file mode 100644
index 021e01ef85a..00000000000
--- a/contrib/dblink/doc/execute
+++ /dev/null
@@ -1,80 +0,0 @@
-$PostgreSQL: pgsql/contrib/dblink/doc/execute,v 1.4 2006/03/11 04:38:29 momjian Exp $
-==================================================================
-Name
-
-dblink_exec -- Executes an UPDATE/INSERT/DELETE on a remote database
-
-Synopsis
-
-dblink_exec(text connstr, text sql [, bool fail_on_error])
-dblink_exec(text connname, text sql [, bool fail_on_error])
-dblink_exec(text sql [, bool fail_on_error])
-
-Inputs
-
- connname
- connstr
-
- If two arguments are present, the first is first assumed to be a specific
- connection name to use. If the name is not found, the argument is then
- assumed to be a valid connection string, of standard libpq format,
- e.g.: "hostaddr=127.0.0.1 dbname=mydb user=postgres password=mypasswd"
-
- If only one argument is used, then the unnamed connection is used.
-
- sql
-
- sql statement that you wish to execute on the remote host, e.g.:
- insert into foo values(0,'a','{"a0","b0","c0"}');
-
- fail_on_error
-
- If true (default when not present) then an ERROR thrown on the remote side
- of the connection causes an ERROR to also be thrown locally. If false, the
- remote ERROR is locally treated as a NOTICE, and the return value is set
- to 'ERROR'.
-
-Outputs
-
- Returns status of the command, or 'ERROR' if the command failed.
-
-Notes
- 1) dblink_open starts an explicit transaction. If, after using dblink_open,
- you use dblink_exec to change data, and then an error occurs or you use
- dblink_disconnect without a dblink_close first, your change *will* be
- lost.
-
-Example usage
-
-select dblink_connect('dbname=dblink_test_slave');
- dblink_connect
-----------------
- OK
-(1 row)
-
-select dblink_exec('insert into foo values(21,''z'',''{"a0","b0","c0"}'');');
- dblink_exec
------------------
- INSERT 943366 1
-(1 row)
-
-select dblink_connect('myconn','dbname=regression');
- dblink_connect
-----------------
- OK
-(1 row)
-
-select dblink_exec('myconn','insert into foo values(21,''z'',''{"a0","b0","c0"}'');');
- dblink_exec
-------------------
- INSERT 6432584 1
-(1 row)
-
-select dblink_exec('myconn','insert into pg_class values (''foo'')',false);
-NOTICE: sql error
-DETAIL: ERROR: null value in column "relnamespace" violates not-null constraint
-
- dblink_exec
--------------
- ERROR
-(1 row)
diff --git a/contrib/dblink/doc/misc b/contrib/dblink/doc/misc
deleted file mode 100644
index db31e8f1536..00000000000
--- a/contrib/dblink/doc/misc
+++ /dev/null
@@ -1,232 +0,0 @@
-$PostgreSQL: pgsql/contrib/dblink/doc/misc,v 1.5 2007/11/07 12:24:23 petere Exp $
-==================================================================
-Name
-
-dblink_current_query -- returns the current query string
-
-Synopsis
-
-dblink_current_query () RETURNS text
-
-Inputs
-
- None
-
-Outputs
-
- Returns text -- a copy of the currently executing query
-
-Example usage
-
-test=# select dblink_current_query() from (select dblink('dbname=postgres','select oid, proname from pg_proc where proname = ''byteacat''') as f1) as t1;
- dblink_current_query
------------------------------------------------------------------------------------------------------------------------------------------------------
- select dblink_current_query() from (select dblink('dbname=postgres','select oid, proname from pg_proc where proname = ''byteacat''') as f1) as t1;
-(1 row)
-
-==================================================================
-Name
-
-dblink_get_pkey -- returns the position and field names of a relation's
- primary key fields
-
-Synopsis
-
-dblink_get_pkey(text relname) RETURNS setof dblink_pkey_results
-
-Inputs
-
- relname
-
- any relation name;
- e.g. 'foobar'
-
-Outputs
-
- Returns setof dblink_pkey_results -- one row for each primary key field,
- in order of position in the key. dblink_pkey_results is defined as follows:
- CREATE TYPE dblink_pkey_results AS (position int4, colname text);
-
-Example usage
-
-test=# select * from dblink_get_pkey('foobar');
- position | colname
-----------+---------
- 1 | f1
- 2 | f2
- 3 | f3
- 4 | f4
- 5 | f5
-
-==================================================================
-Name
-
-dblink_build_sql_insert -- builds an insert statement using a local
- tuple, replacing the selection key field
- values with alternative supplied values
-dblink_build_sql_delete -- builds a delete statement using supplied
- values for selection key field values
-dblink_build_sql_update -- builds an update statement using a local
- tuple, replacing the selection key field
- values with alternative supplied values
-
-
-Synopsis
-
-dblink_build_sql_insert(text relname
- ,int2vector primary_key_attnums
- ,int2 num_primary_key_atts
- ,_text src_pk_att_vals_array
- ,_text tgt_pk_att_vals_array) RETURNS text
-dblink_build_sql_delete(text relname
- ,int2vector primary_key_attnums
- ,int2 num_primary_key_atts
- ,_text tgt_pk_att_vals_array) RETURNS text
-dblink_build_sql_update(text relname
- ,int2vector primary_key_attnums
- ,int2 num_primary_key_atts
- ,_text src_pk_att_vals_array
- ,_text tgt_pk_att_vals_array) RETURNS text
-
-Inputs
-
- relname
-
- any relation name;
- e.g. 'foobar'
-
- primary_key_attnums
-
- vector of primary key attnums (1 based, see pg_index.indkey);
- e.g. '1 2'
-
- num_primary_key_atts
-
- number of primary key attnums in the vector; e.g. 2
-
- src_pk_att_vals_array
-
- array of primary key values, used to look up the local matching
- tuple, the values of which are then used to construct the SQL
- statement
-
- tgt_pk_att_vals_array
-
- array of primary key values, used to replace the local tuple
- values in the SQL statement
-
-Outputs
-
- Returns text -- requested SQL statement
-
-Example usage
-
-test=# select dblink_build_sql_insert('foo','1 2',2,'{"1", "a"}','{"1", "b''a"}');
- dblink_build_sql_insert
---------------------------------------------------
- INSERT INTO foo(f1,f2,f3) VALUES('1','b''a','1')
-(1 row)
-
-test=# select dblink_build_sql_delete('MyFoo','1 2',2,'{"1", "b"}');
- dblink_build_sql_delete
----------------------------------------------
- DELETE FROM "MyFoo" WHERE f1='1' AND f2='b'
-(1 row)
-
-test=# select dblink_build_sql_update('foo','1 2',2,'{"1", "a"}','{"1", "b"}');
- dblink_build_sql_update
--------------------------------------------------------------
- UPDATE foo SET f1='1',f2='b',f3='1' WHERE f1='1' AND f2='b'
-(1 row)
-
-
-==================================================================
-Name
-
-dblink_get_connections -- returns a text array of all active named
- dblink connections
-
-Synopsis
-
-dblink_get_connections() RETURNS text[]
-
-Inputs
-
- none
-
-Outputs
-
- Returns text array of all active named dblink connections
-
-Example usage
-
- SELECT dblink_get_connections();
-
-==================================================================
-Name
-
-dblink_is_busy -- checks to see if named connection is busy
- with an async query
-
-Synopsis
-
-dblink_is_busy(text connname) RETURNS int
-
-Inputs
-
- connname
- The specific connection name to use.
-
-Outputs
-
- Returns 1 if connection is busy, 0 if it is not busy.
- If this function returns 0, it is guaranteed that dblink_get_result
- will not block.
-
-Example usage
-
- SELECT dblink_is_busy('dtest1');
-
-==================================================================
-Name
-
-dblink_cancel_query -- cancels any active query on the named connection
-
-Synopsis
-
-dblink_cancel_query(text connname) RETURNS text
-
-Inputs
-
- connname
- The specific connection name to use.
-
-Outputs
-
- Returns "OK" on success, or an error message on failure.
-
-Example usage
-
- SELECT dblink_cancel_query('dtest1');
-
-==================================================================
-Name
-
-dblink_error_message -- gets last error message on the named connection
-
-Synopsis
-
-dblink_error_message(text connname) RETURNS text
-
-Inputs
-
- connname
- The specific connection name to use.
-
-Outputs
-
- Returns last error message.
-
-Example usage
-
- SELECT dblink_error_message('dtest1');
diff --git a/contrib/dblink/doc/query b/contrib/dblink/doc/query
deleted file mode 100644
index 42427b5d5c3..00000000000
--- a/contrib/dblink/doc/query
+++ /dev/null
@@ -1,242 +0,0 @@
-==================================================================
-Name
-
-dblink -- Returns a set from a remote database
-
-Synopsis
-
-dblink(text connstr, text sql [, bool fail_on_error])
-dblink(text connname, text sql [, bool fail_on_error])
-dblink(text sql [, bool fail_on_error])
-
-Inputs
-
- connname
- connstr
- If two arguments are present, the first is first assumed to be a specific
- connection name to use. If the name is not found, the argument is then
- assumed to be a valid connection string, of standard libpq format,
- e.g.: "hostaddr=127.0.0.1 dbname=mydb user=postgres password=mypasswd"
-
- If only one argument is used, then the unnamed connection is used.
-
- sql
-
- sql statement that you wish to execute on the remote host
- e.g. "select * from pg_class"
-
- fail_on_error
-
- If true (default when not present) then an ERROR thrown on the remote side
- of the connection causes an ERROR to also be thrown locally. If false, the
- remote ERROR is locally treated as a NOTICE, and no rows are returned.
-
-Outputs
-
- Returns setof record
-
-Example usage
-
-select * from dblink('dbname=postgres','select proname, prosrc from pg_proc')
- as t1(proname name, prosrc text) where proname like 'bytea%';
- proname | prosrc
-------------+------------
- byteacat | byteacat
- byteaeq | byteaeq
- bytealt | bytealt
- byteale | byteale
- byteagt | byteagt
- byteage | byteage
- byteane | byteane
- byteacmp | byteacmp
- bytealike | bytealike
- byteanlike | byteanlike
- byteain | byteain
- byteaout | byteaout
-(12 rows)
-
-select dblink_connect('dbname=postgres');
- dblink_connect
-----------------
- OK
-(1 row)
-
-select * from dblink('select proname, prosrc from pg_proc')
- as t1(proname name, prosrc text) where proname like 'bytea%';
- proname | prosrc
-------------+------------
- byteacat | byteacat
- byteaeq | byteaeq
- bytealt | bytealt
- byteale | byteale
- byteagt | byteagt
- byteage | byteage
- byteane | byteane
- byteacmp | byteacmp
- bytealike | bytealike
- byteanlike | byteanlike
- byteain | byteain
- byteaout | byteaout
-(12 rows)
-
-select dblink_connect('myconn','dbname=regression');
- dblink_connect
-----------------
- OK
-(1 row)
-
-select * from dblink('myconn','select proname, prosrc from pg_proc')
- as t1(proname name, prosrc text) where proname like 'bytea%';
- proname | prosrc
-------------+------------
- bytearecv | bytearecv
- byteasend | byteasend
- byteale | byteale
- byteagt | byteagt
- byteage | byteage
- byteane | byteane
- byteacmp | byteacmp
- bytealike | bytealike
- byteanlike | byteanlike
- byteacat | byteacat
- byteaeq | byteaeq
- bytealt | bytealt
- byteain | byteain
- byteaout | byteaout
-(14 rows)
-
-
-==================================================================
-A more convenient way to use dblink may be to create a view:
-
- create view myremote_pg_proc as
- select *
- from dblink('dbname=postgres','select proname, prosrc from pg_proc')
- as t1(proname name, prosrc text);
-
-Then you can simply write:
-
- select * from myremote_pg_proc where proname like 'bytea%';
-
-
-==================================================================
-Name
-
-dblink_send_query -- Sends an async query to a remote database
-
-Synopsis
-
-dblink_send_query(text connname, text sql)
-
-Inputs
-
- connname
- The specific connection name to use.
-
- sql
-
- sql statement that you wish to execute on the remote host
- e.g. "select * from pg_class"
-
-Outputs
-
- Returns int. A return value of 1 if the query was successfully dispatched,
- 0 otherwise. If 1, results must be fetched by dblink_get_result(connname).
- A running query may be cancelled by dblink_cancel_query(connname).
-
-Example usage
-
- SELECT dblink_connect('dtest1', 'dbname=contrib_regression');
- SELECT * from
- dblink_send_query('dtest1', 'select * from foo where f1 < 3') as t1;
-
-==================================================================
-Name
-
-dblink_get_result -- Gets an async query result
-
-Synopsis
-
-dblink_get_result(text connname [, bool fail_on_error])
-
-Inputs
-
- connname
- The specific connection name to use. An asynchronous query must
- have already been sent using dblink_send_query()
-
- fail_on_error
-
- If true (default when not present) then an ERROR thrown on the remote side
- of the connection causes an ERROR to also be thrown locally. If false, the
- remote ERROR is locally treated as a NOTICE, and no rows are returned.
-
-Outputs
-
- Returns setof record
-
-Notes
- Blocks until a result gets available.
-
- This function *must* be called if dblink_send_query returned
- a 1, even on cancelled queries - otherwise the connection
- can't be used anymore. It must be called once for each query
- sent, and one additional time to obtain an empty set result,
- prior to using the connection again.
-
-Example usage
-
-contrib_regression=# SELECT dblink_connect('dtest1', 'dbname=contrib_regression');
- dblink_connect
-----------------
- OK
-(1 row)
-
-contrib_regression=# SELECT * from
-contrib_regression-# dblink_send_query('dtest1', 'select * from foo where f1 < 3') as t1;
- t1
-----
- 1
-(1 row)
-
-contrib_regression=# SELECT * from dblink_get_result('dtest1') as t1(f1 int, f2 text, f3 text[]);
- f1 | f2 | f3
-----+----+------------
- 0 | a | {a0,b0,c0}
- 1 | b | {a1,b1,c1}
- 2 | c | {a2,b2,c2}
-(3 rows)
-
-contrib_regression=# SELECT * from dblink_get_result('dtest1') as t1(f1 int, f2 text, f3 text[]);
- f1 | f2 | f3
-----+----+----
-(0 rows)
-
-contrib_regression=# SELECT * from
- dblink_send_query('dtest1', 'select * from foo where f1 < 3; select * from foo where f1 > 6') as t1;
- t1
-----
- 1
-(1 row)
-
-contrib_regression=# SELECT * from dblink_get_result('dtest1') as t1(f1 int, f2 text, f3 text[]);
- f1 | f2 | f3
-----+----+------------
- 0 | a | {a0,b0,c0}
- 1 | b | {a1,b1,c1}
- 2 | c | {a2,b2,c2}
-(3 rows)
-
-contrib_regression=# SELECT * from dblink_get_result('dtest1') as t1(f1 int, f2 text, f3 text[]);
- f1 | f2 | f3
-----+----+---------------
- 7 | h | {a7,b7,c7}
- 8 | i | {a8,b8,c8}
- 9 | j | {a9,b9,c9}
- 10 | k | {a10,b10,c10}
-(4 rows)
-
-contrib_regression=# SELECT * from dblink_get_result('dtest1') as t1(f1 int, f2 text, f3 text[]);
- f1 | f2 | f3
-----+----+----
-(0 rows)
--
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