1 files changed, 40 insertions, 3 deletions
diff --git a/app/Schema/Postgres.php b/app/Schema/Postgres.php
index d3fb9fc4..027401ff 100644
--- a/app/Schema/Postgres.php
+++ b/app/Schema/Postgres.php
@@ -4,8 +4,45 @@ namespace Schema;
 
 use PDO;
 use Core\Security;
+use Model\Link;
 
-const VERSION = 26;
+const VERSION = 27;
+
+function version_27($pdo)
+{
+    $pdo->exec('CREATE TABLE links (
+        "id" SERIAL PRIMARY KEY,
+        "label" VARCHAR(255) NOT NULL,
+        "opposite_id" INTEGER DEFAULT 0,
+        UNIQUE("label")
+    )');
+
+    $pdo->exec("CREATE TABLE task_has_links (
+        id SERIAL PRIMARY KEY,
+        link_id INTEGER NOT NULL,
+        task_id INTEGER NOT NULL,
+        opposite_task_id INTEGER NOT NULL,
+        FOREIGN KEY(link_id) REFERENCES links(id) ON DELETE CASCADE,
+        FOREIGN KEY(task_id) REFERENCES tasks(id) ON DELETE CASCADE,
+        FOREIGN KEY(opposite_task_id) REFERENCES tasks(id) ON DELETE CASCADE
+    )");
+
+    $pdo->exec("CREATE INDEX task_has_links_task_index ON task_has_links(task_id)");
+    $pdo->exec("CREATE UNIQUE INDEX task_has_links_unique ON task_has_links(link_id, task_id, opposite_task_id)");
+
+    $rq = $pdo->prepare('INSERT INTO links (label, opposite_id) VALUES (?, ?)');
+    $rq->execute(array('relates to', 0));
+    $rq->execute(array('blocks', 3));
+    $rq->execute(array('is blocked by', 2));
+    $rq->execute(array('duplicates', 5));
+    $rq->execute(array('is duplicated by', 4));
+    $rq->execute(array('is a child of', 7));
+    $rq->execute(array('is a parent of', 6));
+    $rq->execute(array('targets milestone', 9));
+    $rq->execute(array('is a milestone of', 8));
+    $rq->execute(array('fixes', 11));
+    $rq->execute(array('is fixed by', 10));
+}
 
 function version_26($pdo)
 {
@@ -66,7 +103,7 @@ function version_24($pdo)
 
 function version_23($pdo)
 {
-	$pdo->exec('ALTER TABLE columns ADD COLUMN description TEXT');
+    $pdo->exec('ALTER TABLE columns ADD COLUMN description TEXT');
 }
 
 function version_22($pdo)
@@ -120,7 +157,7 @@ function version_19($pdo)
     ");
 
     $pdo->exec('ALTER TABLE tasks ADD COLUMN swimlane_id INTEGER DEFAULT 0');
-    $pdo->exec("ALTER TABLE projects ADD COLUMN default_swimlane VARCHAR(200) DEFAULT '".t('Default swimlane')."'");
+    $pdo->exec("ALTER TABLE projects ADD COLUMN default_swimlane VARCHAR(200) DEFAULT 'Default swimlane'");
     $pdo->exec("ALTER TABLE projects ADD COLUMN show_default_swimlane BOOLEAN DEFAULT '1'");
 }