From 09285d42b4144501d31e8bb7e2e5306ac4a742c5 Mon Sep 17 00:00:00 2001
From: Oliver Gorwits <oliver@cpan.org>
Date: Sat, 27 Apr 2013 18:39:12 +0100
Subject: [PATCH] add unique constraints to topology table

---
 Netdisco/Changes                                       |  1 +
 Netdisco/lib/App/Netdisco/DB.pm                        |  2 +-
 Netdisco/lib/App/Netdisco/DB/Result/Topology.pm        |  3 +++
 .../App-Netdisco-DB-17-18-PostgreSQL.sql               | 10 ++++++++++
 4 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 Netdisco/lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-17-18-PostgreSQL.sql

diff --git a/Netdisco/Changes b/Netdisco/Changes
index 5beaec8e..3e664d27 100644
--- a/Netdisco/Changes
+++ b/Netdisco/Changes
@@ -20,6 +20,7 @@
   * Rename plugins developer doc to .pod
   * Update to latest Bootstrap and JQuery, and temp. fix #7326 in Bootstrap
   * Partial Name in Port search now working
+  * Add unique constraints to topology table
 
 2.007000_001 - 2013-03-17
 
diff --git a/Netdisco/lib/App/Netdisco/DB.pm b/Netdisco/lib/App/Netdisco/DB.pm
index db2129ad..b3bb937b 100644
--- a/Netdisco/lib/App/Netdisco/DB.pm
+++ b/Netdisco/lib/App/Netdisco/DB.pm
@@ -8,7 +8,7 @@ use base 'DBIx::Class::Schema';
 
 __PACKAGE__->load_namespaces;
 
-our $VERSION = 17; # schema version used for upgrades, keep as integer
+our $VERSION = 18; # schema version used for upgrades, keep as integer
 
 use Path::Class;
 use File::Basename;
diff --git a/Netdisco/lib/App/Netdisco/DB/Result/Topology.pm b/Netdisco/lib/App/Netdisco/DB/Result/Topology.pm
index 8a4a8746..2e067479 100644
--- a/Netdisco/lib/App/Netdisco/DB/Result/Topology.pm
+++ b/Netdisco/lib/App/Netdisco/DB/Result/Topology.pm
@@ -19,4 +19,7 @@ __PACKAGE__->add_columns(
   { data_type => "text", is_nullable => 0 },
 );
 
+__PACKAGE__->add_unique_constraint(['dev1','port1']);
+__PACKAGE__->add_unique_constraint(['dev2','port2']);
+
 1;
diff --git a/Netdisco/lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-17-18-PostgreSQL.sql b/Netdisco/lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-17-18-PostgreSQL.sql
new file mode 100644
index 00000000..140886bd
--- /dev/null
+++ b/Netdisco/lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-17-18-PostgreSQL.sql
@@ -0,0 +1,10 @@
+-- Convert schema '/home/devver/netdisco-ng/Netdisco/bin/../lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-17-PostgreSQL.sql' to '/home/devver/netdisco-ng/Netdisco/bin/../lib/App/Netdisco/DB/schema_versions/App-Netdisco-DB-18-PostgreSQL.sql':;
+
+BEGIN;
+
+ALTER TABLE topology ADD CONSTRAINT topology_dev1_port1 UNIQUE (dev1, port1);
+
+ALTER TABLE topology ADD CONSTRAINT topology_dev2_port2 UNIQUE (dev2, port2);
+
+COMMIT;
+