better _tables_list for MSSQL

[dbsrgits/DBIx-Class-Schema-Loader.git] / lib / DBIx / Class / Schema / Loader / DBI / MSSQL.pm

diff --git a/lib/DBIx/Class/Schema/Loader/DBI/MSSQL.pm b/lib/DBIx/Class/Schema/Loader/DBI/MSSQL.pm
index 8d11c21..bfc2053 100644 (file)
--- a/lib/DBIx/Class/Schema/Loader/DBI/MSSQL.pm
+++ b/lib/DBIx/Class/Schema/Loader/DBI/MSSQL.pm
@@ -2,40 +2,43 @@ package DBIx::Class::Schema::Loader::DBI::MSSQL;
 
 use strict;
 use warnings;
-use base qw/
-    DBIx::Class::Schema::Loader::DBI
-    DBIx::Class::Schema::Loader::DBI::Sybase::Common
-/;
+use base 'DBIx::Class::Schema::Loader::DBI::Sybase::Common';
 use Carp::Clan qw/^DBIx::Class/;
 use Class::C3;
 
-our $VERSION = '0.04999_06';
+our $VERSION = '0.05003';
 
 =head1 NAME
 
 DBIx::Class::Schema::Loader::DBI::MSSQL - DBIx::Class::Schema::Loader::DBI MSSQL Implementation.
 
-=head1 SYNOPSIS
-
-  package My::Schema;
-  use base qw/DBIx::Class::Schema::Loader/;
-
-  __PACKAGE__->loader_options( debug => 1 );
-
-  1;
-
 =head1 DESCRIPTION
 
-See L<DBIx::Class::Schema::Loader::Base>.
+Base driver for Microsoft SQL Server, used by
+L<DBIx::Class::Schema::Loader::DBI::Sybase::Microsoft_SQL_Server> for support
+via L<DBD::Sybase> and
+L<DBIx::Class::Schema::Loader::DBI::ODBC::Microsoft_SQL_Server> for support via
+L<DBD::ODBC>.
+
+See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base> for
+usage information.
 
 =cut
 
-sub _setup {
+sub _tables_list {
     my $self = shift;
 
-    $self->next::method(@_);
-    $self->{db_schema} ||= $self->_build_db_schema;
-    $self->_set_quote_char_and_name_sep;
+    my $dbh = $self->schema->storage->dbh;
+    my $sth = $dbh->prepare(<<'EOF');
+select t.table_name
+from information_schema.tables t
+where t.table_schema = ?
+EOF
+    $sth->execute($self->db_schema);
+
+    my @tables = map lc $_, map @$_, @{ $sth->fetchall_arrayref };
+
+    return $self->_filter_tables(@tables);
 }
 
 sub _table_pk_info {
@@ -86,7 +89,7 @@ sub _table_uniq_info {
     my $sth = $dbh->prepare(qq{SELECT CCU.CONSTRAINT_NAME, CCU.COLUMN_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CCU
                                JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC ON (CCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME)
                                JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU ON (CCU.CONSTRAINT_NAME = KCU.CONSTRAINT_NAME AND CCU.COLUMN_NAME = KCU.COLUMN_NAME)
-                               WHERE CCU.TABLE_NAME = '$table' AND CONSTRAINT_TYPE = 'UNIQUE' ORDER BY KCU.ORDINAL_POSITION});
+                               WHERE CCU.TABLE_NAME = @{[ $dbh->quote($table) ]} AND CONSTRAINT_TYPE = 'UNIQUE' ORDER BY KCU.ORDINAL_POSITION});
     $sth->execute;
     my $constraints;
     while (my $row = $sth->fetchrow_hashref) {
@@ -100,34 +103,60 @@ sub _table_uniq_info {
 }
 
 sub _extra_column_info {
-    my ($self, $info) = @_;
+    my ($self, $table, $column, $info, $dbi_info) = @_;
     my %extra_info;
 
-    my ($table, $column) = @$info{qw/TABLE_NAME COLUMN_NAME/};
-
     my $dbh = $self->schema->storage->dbh;
-    my $sth = $dbh->prepare(qq{SELECT COLUMN_NAME 
-                               FROM INFORMATION_SCHEMA.COLUMNS
-                               WHERE COLUMNPROPERTY(object_id('$table', 'U'), '$column', 'IsIdentity') = 1 AND TABLE_NAME = '$table' AND COLUMN_NAME = '$column'
-                              });
+    my $sth = $dbh->prepare(qq{
+        SELECT COLUMN_NAME 
+        FROM INFORMATION_SCHEMA.COLUMNS
+        WHERE COLUMNPROPERTY(object_id(@{[ $dbh->quote($table) ]}, 'U'), '$column', 'IsIdentity') = 1
+          AND TABLE_NAME = @{[ $dbh->quote($table) ]} AND COLUMN_NAME = @{[ $dbh->quote($column) ]}
+    });
     $sth->execute();
 
     if ($sth->fetchrow_array) {
         $extra_info{is_auto_increment} = 1;
     }
 
+# get default
+    $sth = $dbh->prepare(qq{
+        SELECT COLUMN_DEFAULT
+        FROM INFORMATION_SCHEMA.COLUMNS
+        WHERE TABLE_NAME = @{[ $dbh->quote($table) ]} AND COLUMN_NAME = @{[ $dbh->quote($column) ]}
+    });
+    $sth->execute;
+    my ($default) = $sth->fetchrow_array;
+
+    if (defined $default) {
+        # strip parens
+        $default =~ s/^\( (.*) \)\z/$1/x;
+
+        # Literal strings are in ''s, numbers are in ()s (in some versions of
+        # MSSQL, in others they are unquoted) everything else is a function.
+        $extra_info{default_value} =
+            $default =~ /^['(] (.*) [)']\z/x ? $1 :
+                $default =~ /^\d/ ? $default : \$default;
+    }
+
     return \%extra_info;
 }
 
-
 =head1 SEE ALSO
 
+L<DBIx::Class::Schema::Loader::DBI::Sybase::Microsoft_SQL_Server>,
+L<DBIx::Class::Schema::Loader::DBI::ODBC::Microsoft_SQL_Server>,
 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
 L<DBIx::Class::Schema::Loader::DBI>
 
 =head1 AUTHOR
 
-Justin Hunter C<justin.d.hunter@gmail.com>
+See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
+
+=head1 LICENSE
+
+This library is free software; you can redistribute it and/or modify it under
+the same terms as Perl itself.
 
 =cut