Adjust view production for stupid mysql

[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Producer / MySQL.pm

diff --git a/lib/SQL/Translator/Producer/MySQL.pm b/lib/SQL/Translator/Producer/MySQL.pm
index 1ded991..f261a9f 100644 (file)
--- a/lib/SQL/Translator/Producer/MySQL.pm
+++ b/lib/SQL/Translator/Producer/MySQL.pm
@@ -45,7 +45,7 @@ provides the desired version for the target database. By default MySQL v3 is
 assumed, and statements pertaining to any features introduced in later versions
 (e.g. CREATE VIEW) are not produced.
 
-Valid version specifiers for C<mysql_parser_version> are listed L<here|SQL::Translator::Utils/parse_mysql_version> 
+Valid version specifiers for C<mysql_version> are listed L<here|SQL::Translator::Utils/parse_mysql_version> 
 
 =head2 Table Types
 
@@ -81,9 +81,9 @@ Set the type of the table e.g. 'InnoDB', 'MyISAM'. This will be
 automatically set for tables involved in foreign key constraints if it is
 not already set explicitly. See L<"Table Types">.
 
-Please note that the C<ENGINE> option is the prefered method of specifying
+Please note that the C<ENGINE> option is the preferred method of specifying
 the MySQL storage engine to use, but this method still works for backwards
-compatability.
+compatibility.
 
 =item B<table.mysql_charset>, B<table.mysql_collate>
 
@@ -110,7 +110,8 @@ my $DEFAULT_MAX_ID_LENGTH = 64;
 
 use Data::Dumper;
 use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils qw(debug header_comment truncate_id_uniquely parse_mysql_version);
+use SQL::Translator::Utils qw(debug header_comment 
+    truncate_id_uniquely parse_mysql_version);
 
 #
 # Use only lowercase for the keys (e.g. "long" and not "LONG")
@@ -145,6 +146,13 @@ my %translate  = (
     bytea => 'BLOB',
 );
 
+#
+# Column types that do not support lenth attribute
+#
+my @no_length_attr = qw/
+  date time timestamp datetime year
+  /;
+
 
 sub preprocess_schema {
     my ($schema) = @_;
@@ -356,7 +364,9 @@ sub create_view {
       $create .= " ( ${list} )";
     }
     if( my $sql = $view->sql ){
-      $create .= " AS (\n    ${sql}\n  )";
+      # do not wrap parenthesis around the selector, mysql doesn't like this
+      # http://bugs.mysql.com/bug.php?id=9198
+      $create .= " AS\n    ${sql}\n";
     }
 #    $create .= "";
     return $create;
@@ -547,7 +557,11 @@ sub create_field
     if ( lc($data_type) eq 'enum' || lc($data_type) eq 'set') {
         $field_def .= '(' . $commalist . ')';
     }
-    elsif ( defined $size[0] && $size[0] > 0 ) {
+    elsif ( 
+        defined $size[0] && $size[0] > 0 
+        && 
+        ! grep lc($data_type) eq $_, @no_length_attr  
+    ) {
         $field_def .= '(' . join( ', ', @size ) . ')';
     }
 
@@ -607,16 +621,22 @@ sub alter_create_index
 
 sub create_index
 {
-    my ($index, $options) = @_;
+    my ( $index, $options ) = @_;
 
     my $qf = $options->{quote_field_names} || '';
 
-    return join( ' ', 
-                 lc $index->type eq 'normal' ? 'INDEX' : $index->type . ' INDEX',
-                 truncate_id_uniquely( $index->name, $options->{max_id_length} || $DEFAULT_MAX_ID_LENGTH ),
-                 '(' . $qf . join( "$qf, $qf", $index->fields ) . $qf . ')'
-                 );
-
+    return join(
+        ' ',
+        map { $_ || () }
+        lc $index->type eq 'normal' ? 'INDEX' : $index->type . ' INDEX',
+        $index->name
+        ? $qf . truncate_id_uniquely(
+                $index->name,
+                $options->{max_id_length} || $DEFAULT_MAX_ID_LENGTH
+          ) . $qf
+        : '',
+        '(' . $qf . join( "$qf, $qf", $index->fields ) . $qf . ')'
+    );
 }
 
 sub alter_drop_index
@@ -926,6 +946,6 @@ SQL::Translator, http://www.mysql.com/.
 =head1 AUTHORS
 
 darren chamberlain E<lt>darren@cpan.orgE<gt>,
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
 
 =cut