feat(datatypes) Select oids dynamically for hstore and geometry in postgres

lib/dialects/postgres/connection-manager.js

@@ -6,8 +6,7 @@ var AbstractConnectionManager = require('../abstract/connection-manager')
   , Promise = require('../../promise')
   , sequelizeErrors = require('../../errors')
   , semver = require('semver')
-  , dataTypes = require('../../data-types').postgres
-  , _ = require('lodash');
+  , dataTypes = require('../../data-types');
 
 ConnectionManager = function(dialect, sequelize) {
   AbstractConnectionManager.call(this, dialect, sequelize);
@@ -20,7 +19,7 @@ ConnectionManager = function(dialect, sequelize) {
     throw new Error('Please install \'' + (sequelize.config.dialectModulePath || 'pg') + '\' module manually');
   }
 
-  this.refreshTypeParser(dataTypes);
+  this.refreshTypeParser(dataTypes.postgres);
 };
 
 Utils._.extend(ConnectionManager.prototype, AbstractConnectionManager.prototype);
@@ -130,12 +129,27 @@ ConnectionManager.prototype.connect = function(config) {
     }
 
     if (!self.sequelize.config.keepDefaultTimezone) {
-      query += 'SET client_min_messages TO warning; SET TIME ZONE INTERVAL \'' + self.sequelize.options.timezone + '\' HOUR TO MINUTE';
+      query += 'SET client_min_messages TO warning; SET TIME ZONE INTERVAL \'' + self.sequelize.options.timezone + '\' HOUR TO MINUTE;';
+    }
+
+    // oids for hstore and geometry are dynamic - so select them at connection time
+    if (dataTypes.HSTORE.types.postgres.oids.length === 0) {
+      query += 'SELECT typname, oid, typarray FROM pg_type WHERE typtype = \'b\' AND typname IN (\'hstore\', \'geometry\')';
     }
 
     return new Promise(function (resolve, reject) {
       connection.query(query).on('error', function (err) {
         reject(err);
+      }).on('row', function (row) {
+        var type;
+        if (row.typname === 'geometry') {
+          type = dataTypes.GEOMETRY;
+        } else if (row.typname === 'hstore') {
+          type = dataTypes.HSTORE;
+        }
+
+        type.types.postgres.oids.push(row.oid);
+        type.types.postgres.array_oids.push(row.typarray);
       }).on('end', function () {
         resolve();
       });

lib/dialects/postgres/data-types.js

@@ -257,7 +257,8 @@ module.exports = function (BaseTypes) {
   };
 
   BaseTypes.GEOMETRY.types.postgres = {
-    oids: [2163225]
+    oids: [],
+    array_oids: []
   };
 
   GEOMETRY.parse = GEOMETRY.prototype.parse = function(value) {
@@ -276,8 +277,8 @@ module.exports = function (BaseTypes) {
   };
 
   BaseTypes.HSTORE.types.postgres = {
-    oids: [2164508],
-    array_oids: [2164513]
+    oids: [],
+    array_oids: []
   };
 
   var RANGE = BaseTypes.RANGE.inherits();