Citext support

src/Bosnadev/Database/Schema/Blueprint.php

@@ -260,4 +260,16 @@ public function tsvector($column)
     {
         return $this->addColumn('tsvector', $column);
     }
+
+    /**
+     * Create a new citext column on the table.
+     *
+     * @param $column
+     *
+     * @return \Illuminate\Support\Fluent
+     */
+    public function citext($column)
+    {
+        return $this->addColumn('citext', $column);
+    }
 }

src/Bosnadev/Database/Schema/Grammars/PostgresGrammar.php

@@ -278,6 +278,18 @@ protected function typeTsvector(Fluent $column)
         return "tsvector";
     }
 
+    /**
+     * Create the column definition for a Case Insensitive Text type.
+     *
+     * @param Fluent $column
+     *
+     * @return string
+     */
+    protected function typeCitext(Fluent $column)
+    {
+        return "citext";
+    }
+
     /**
      * @param mixed $value
      * @return mixed|string

tests/Schema/BlueprintTest.php

@@ -112,4 +112,13 @@ public function testTstzrange()
 
         $this->blueprint->tstzrange('col');
     }
+
+    public function testCitext()
+    {
+        $this->blueprint
+            ->shouldReceive('addColumn')
+            ->with('citext', 'col');
+
+        $this->blueprint->citext('col');            
+    }
 }

tests/Schema/Grammars/PostgresGrammarTest.php

@@ -170,6 +170,20 @@ public function testAddingTsvector()
         $this->assertContains('add column "foo" tsvector', $statements[0]);
     }
 
+    public function testAddingCitext()
+    {
+        $blueprint = new Blueprint('test');
+        $blueprint->citext('foo');
+        $statements = $blueprint->toSql(
+            $this->getConnection(),
+            $this->getGrammar()
+        );
+
+        $this->assertEquals(1, count($statements));
+        $this->assertContains('alter table', $statements[0]);
+        $this->assertContains('add column "foo" citext', $statements[0]);
+    }
+
     /**
      * @return PostgresConnection
      */