Fix CREATE VIEW syntax.

diff --git a/AUTHORS b/AUTHORS
index 01a0a66..0ee6d21 100644 (file)
--- a/AUTHORS
+++ b/AUTHORS
@@ -35,6 +35,7 @@ The following people have contributed to the SQLFairy project:
 -   Vincent Bachelier <geistteufel@yahoo.fr>
 -   Wallace Reis <wreis@cpan.org>
 -   Ying Zhang <zyolive@yahoo.com>
+-   Amiri Barksdale <amiri@roosterpirates.com>
 
 If you would like to contribute to the project, you can send patches
 to the developers mailing list:

diff --git a/Changes b/Changes
index bfb547c..8f1c6e4 100644 (file)
--- a/Changes
+++ b/Changes
@@ -1,5 +1,9 @@
+
+* Add "if exists" to drop view statements in Pg.
+
 # ----------------------------------------------------------
 # 0.11009 2011-09-02
+# ----------------------------------------------------------
 
 * Fix MySQL producer to properly quote all table names on output (patch from geistteufel)
 

diff --git a/lib/SQL/Translator/Producer/PostgreSQL.pm b/lib/SQL/Translator/Producer/PostgreSQL.pm
index 4b883c7..c01b2ea 100644 (file)
--- a/lib/SQL/Translator/Producer/PostgreSQL.pm
+++ b/lib/SQL/Translator/Producer/PostgreSQL.pm
@@ -212,6 +212,7 @@ sub produce {
 
     for my $view ( $schema->get_views ) {
       push @table_defs, create_view($view, {
+        postgres_version  => $postgres_version,
         add_drop_view     => $add_drop_table,
         quote_table_names => $qt,
         quote_field_names => $qf,
@@ -423,6 +424,7 @@ sub create_view {
     my ($view, $options) = @_;
     my $qt = $options->{quote_table_names} || '';
     my $qf = $options->{quote_field_names} || '';
+    my $postgres_version = $options->{postgres_version} || 0;
     my $add_drop_view = $options->{add_drop_view};
 
     my $view_name = $view->name;
@@ -431,7 +433,13 @@ sub create_view {
     my $create = '';
     $create .= "--\n-- View: ${qt}${view_name}${qt}\n--\n"
         unless $options->{no_comments};
-    $create .= "DROP VIEW ${qt}${view_name}${qt};\n" if $add_drop_view;
+    if ($add_drop_view) {
+        if ($postgres_version >= 8.002) {
+            $create .= "DROP VIEW IF EXISTS ${qt}${view_name}${qt};\n";
+        } else {
+            $create .= "DROP VIEW ${qt}${view_name}${qt};\n";
+        }
+    }
     $create .= 'CREATE';
 
     my $extra = $view->extra;