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==================================================================
Name
dblink_exec -- Executes an UPDATE/INSERT/DELETE on a remote database
Synopsis
dblink_exec(text connstr, text sql)
dblink_exec(text connname, text sql)
dblink_exec(text sql)
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"}');
Outputs
Returns status of the command
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)
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