Integer default sizes are one point smaller if they are unsigned

diff --git a/Changes b/Changes
index 0f5a895..43daaf0 100644 (file)
--- a/Changes
+++ b/Changes
@@ -15,6 +15,8 @@
   file as indices (and probably other things) get messed up
 * Workaround for some MySQL quirks on primary key definitions
 * MySQL producer does not attempt to write out non-existent unique constraint names
+* MySQL parser correctly differentiates between signed and unsigned integer column
+  display sizes
 
 # ----------------------------------------------------------
 # 0.11010 2011-10-05

diff --git a/lib/SQL/Translator/Parser/MySQL.pm b/lib/SQL/Translator/Parser/MySQL.pm
index da2b6f6..5f8d75a 100644 (file)
--- a/lib/SQL/Translator/Parser/MySQL.pm
+++ b/lib/SQL/Translator/Parser/MySQL.pm
@@ -971,29 +971,30 @@ sub parse {
 # Takes a field, and returns
 sub normalize_field {
     my ($field) = @_;
-    my ($size, $type, $list, $changed) = @_;
+    my ($size, $type, $list, $unsigned, $changed);
 
     $size = $field->size;
     $type = $field->data_type;
     $list = $field->extra->{list} || [];
+    $unsigned = defined($field->extra->{unsigned});
 
     if ( !ref $size && $size eq 0 ) {
         if ( lc $type eq 'tinyint' ) {
-            $changed = $size != 4;
-            $size = 4;
+            $changed = $size != 4 - $unsigned;
+            $size = 4 - $unsigned;
         }
         elsif ( lc $type eq 'smallint' ) {
-            $changed = $size != 6;
-            $size = 6;
+            $changed = $size != 6 - $unsigned;
+            $size = 6 - $unsigned;
         }
         elsif ( lc $type eq 'mediumint' ) {
-            $changed = $size != 9;
-            $size = 9;
+            $changed = $size != 9 - $unsigned;
+            $size = 9 - $unsigned;
         }
         elsif ( $type =~ /^int(eger)?$/i ) {
-            $changed = $size != 11 || $type ne 'int';
+            $changed = $size != 11 - $unsigned || $type ne 'int';
             $type = 'int';
-            $size = 11;
+            $size = 11 - $unsigned;
         }
         elsif ( lc $type eq 'bigint' ) {
             $changed = $size != 20;