Index: commands/sql/sql.drush.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/commands/sql/sql.drush.inc,v
retrieving revision 1.27
diff -u -p -r1.27 sql.drush.inc
--- commands/sql/sql.drush.inc	31 Oct 2009 02:21:18 -0000	1.27
+++ commands/sql/sql.drush.inc	3 Nov 2009 20:21:31 -0000
@@ -117,6 +117,7 @@ function sql_drush_command() {
       '--target-remote-port' => '',
       '--target-remote-host' => '',
       '--target-dump' => '',
+      '--temp' => 'Use a temporary file to hold dump files.  Implies --no-cache.',
       '--create-db' => 'Create a new database before importing the database dump on the target machine.',
       '--db-su' => 'Remote account to use when creating a new database. Optional.', 
     ),
Index: commands/sql/sync.sql.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/commands/sql/sync.sql.inc,v
retrieving revision 1.4
diff -u -p -r1.4 sync.sql.inc
--- commands/sql/sync.sql.inc	30 Oct 2009 06:13:21 -0000	1.4
+++ commands/sql/sync.sql.inc	3 Nov 2009 20:21:31 -0000
@@ -77,6 +77,7 @@ function _drush_sql_sync($source, $desti
   // and local files and hope for the best.
   $source_dump = drush_get_option('source-dump');
   $target_dump = drush_get_option('target-dump');
+  $use_temp_files = drush_get_option('temp');
   $source_is_tmp = FALSE;
   $target_is_tmp = FALSE;
   $local_is_tmp = FALSE;
@@ -113,6 +114,12 @@ function _drush_sql_sync($source, $desti
     $local_file = $target_dump;
   }
 
+  // Check to see if we are using a temporary file in a situation
+  // where the user did not specify "--temp".
+  if (($source_is_tmp || $target_is_tmp) && (!isset($use_temp_files))) {
+    drush_print(dt('WARNING:  Using temporary files to store and transfer sql dump.  It is recommended that you specify --source-dump and --target-dump options on the command line, or set \'!dump\' in the path-aliases section of your site alias records.'));
+  }
+  
   // If source is remote, then use ssh to dump the database and then rsync to local machine
   // If source is local, call drush_sql_dump to dump the database to local machine
   // In either case, the '--no-dump' option will cause the sql dump step to be skipped, and