Support for PostgreSQL's ltree data type.

2 files changed, 9 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
index 0a69e062f0..02c295983f 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
@@ -276,6 +276,7 @@ module ActiveRecord
         register_type 'circle', OID::Identity.new
         register_type 'hstore', OID::Hstore.new
         register_type 'json', OID::Json.new
+        register_type 'ltree', OID::Identity.new
 
         register_type 'int4range', OID::IntRange.new
         alias_type 'int8range', 'int4range'
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index d62a375470..c106215bd5 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -173,6 +173,8 @@ module ActiveRecord
             :decimal
           when 'hstore'
             :hstore
+          when 'ltree'
+            :ltree
           # Network address types
           when 'inet'
             :inet
@@ -275,6 +277,10 @@ module ActiveRecord
           column(name, 'hstore', options)
         end
 
+        def ltree(name, options = {})
+          column(name, 'ltree', options)
+        end
+
         def inet(name, options = {})
           column(name, 'inet', options)
         end
@@ -340,7 +346,8 @@ module ActiveRecord
         macaddr:     { name: "macaddr" },
         uuid:        { name: "uuid" },
         json:        { name: "json" },
-        intrange:    { name: "int4range" }
+        intrange:    { name: "int4range" },
+        ltree:       { name: "ltree" }
       }
 
       include Quoting