From: Rafael Kitover <rkitover@cpan.org>
Date: Sun, 31 Jan 2010 15:18:57 +0000 (+0000)
Subject: better type mapping and default introspection for Sybase
X-Git-Tag: 0.05000~3
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=2fb9a4b3a885791abcff55e29015196d57725b91;p=dbsrgits%2FDBIx-Class-Schema-Loader.git

better type mapping and default introspection for Sybase
---

diff --git a/lib/DBIx/Class/Schema/Loader/DBI/Sybase.pm b/lib/DBIx/Class/Schema/Loader/DBI/Sybase.pm
index c1cef54..e9ecc5d 100644
--- a/lib/DBIx/Class/Schema/Loader/DBI/Sybase.pm
+++ b/lib/DBIx/Class/Schema/Loader/DBI/Sybase.pm
@@ -229,7 +229,7 @@ sub _table_uniq_info {
     return \@uniqs;
 }
 
-# set data_type to 'undef' for computed columns
+# get the correct data types and defaults
 sub _columns_info_for {
     my $self    = shift;
     my ($table) = @_;
@@ -237,18 +237,31 @@ sub _columns_info_for {
 
     my $dbh = $self->schema->storage->dbh;
     my $sth = $dbh->prepare(qq{
-SELECT c.name name, c.computedcol computedcol
+SELECT c.name name, t.name type, cm.text deflt
 FROM syscolumns c
 JOIN sysobjects o ON c.id = o.id
+LEFT JOIN systypes t ON c.type = t.type AND c.usertype = t.usertype
+LEFT JOIN syscomments cm
+    ON cm.id = CASE WHEN c.cdefault = 0 THEN c.computedcol ELSE c.cdefault END
 WHERE o.name = @{[ $dbh->quote($table) ]} AND o.type = 'U'
 });
     $sth->execute;
     local $dbh->{FetchHashKeyName} = 'NAME_lc';
-    my $computed_info = $sth->fetchall_hashref('name');
+    my $info = $sth->fetchall_hashref('name');
 
-    for my $col (keys %$result) {
-        $result->{$col}{data_type} = undef
-            if $computed_info->{$col}{computedcol};
+    while (my ($col, $res) = each %$result) {
+        $res->{data_type} = $info->{$col}{type};
+
+        if (my $default = $info->{$col}{deflt}) {
+            if ($default =~ /^AS \s+ (\S+)/ix) {
+                my $function = $1;
+                $res->{default_value} = \$function;
+            }
+            elsif ($default =~ /^DEFAULT \s+ (\S+)/ix) {
+                my ($constant_default) = $1 =~ /^['"\[\]]?(.*?)['"\[\]]\z/;
+                $res->{default_value} = $constant_default;
+            }
+        }
     }
 
     return $result;
diff --git a/t/15sybase_common.t b/t/15sybase_common.t
index 903592f..9b1ab2e 100644
--- a/t/15sybase_common.t
+++ b/t/15sybase_common.t
@@ -34,32 +34,25 @@ my $tester = dbixcsl_common_tests->new(
             my $rsrc = $rs->result_source;
 
             is $rsrc->column_info('id')->{data_type},
-                'numeric',
+                'int',
                 'INTEGER IDENTITY data_type is correct';
 
             is $rsrc->column_info('id')->{is_auto_increment},
                 1,
                 'INTEGER IDENTITY is_auto_increment => 1';
 
-            {
-                local $TODO = 'timestamp introspection broken';
-
-                is $rsrc->column_info('ts')->{data_type},
-                   'timestamp',
-                   'timestamps have the correct data_type';
-            }
+            is $rsrc->column_info('ts')->{data_type},
+               'timestamp',
+               'timestamps have the correct data_type';
 
             is $rsrc->column_info('charfield')->{data_type},
                 'varchar',
                 'VARCHAR has correct data_type';
 
-            {
-                local $TODO = 'constant DEFAULT introspection';
 
-                is $rsrc->column_info('charfield')->{default_value},
-                    'foo',
-                    'constant DEFAULT is correct';
-            }
+            is $rsrc->column_info('charfield')->{default_value},
+                'foo',
+                'constant DEFAULT is correct';
 
             is $rsrc->column_info('charfield')->{size},
                 10,
@@ -72,21 +65,17 @@ my $tester = dbixcsl_common_tests->new(
                 $rsrc->column_info('computed_dt')->{data_type}
             ;
 
-            {
-                local $TODO = 'default_value for computed columns';
-
-                my $computed_dt_default =
-                    $rsrc->column_info('computed_dt')->{default_value};
+            my $computed_dt_default =
+                $rsrc->column_info('computed_dt')->{default_value};
 
-                ok ((ref $computed_dt_default eq 'SCALAR'),
-                    'default_value for computed column is a scalar ref')
-#                or diag "default_value is: ", $computed_dt_default
-                ;
+            ok ((ref $computed_dt_default eq 'SCALAR'),
+                'default_value for computed column is a scalar ref')
+            or diag "default_value is: ", $computed_dt_default
+            ;
 
-                eval { is $$computed_dt_default,
-                    'getdate()',
-                    'default_value for computed column is correct' };
-            }
+            eval { is $$computed_dt_default,
+                'getdate()',
+                'default_value for computed column is correct' };
         },
     },
 );