diff --git a/.upgrade.yml b/.upgrade.yml
new file mode 100644
index 0000000..1208f25
--- /dev/null
+++ b/.upgrade.yml
@@ -0,0 +1,7 @@
+mappings:
+  PostgreSQLConnector: SilverStripe\PostgreSQL\PostgreSQLConnector
+  PostgreSQLDatabase: SilverStripe\PostgreSQL\PostgreSQLDatabase
+  PostgreSQLDatabaseConfigurationHelper: SilverStripe\PostgreSQL\PostgreSQLDatabaseConfigurationHelper
+  PostgreSQLQuery: SilverStripe\PostgreSQL\PostgreSQLQuery
+  PostgreSQLQueryBuilder: SilverStripe\PostgreSQL\PostgreSQLQueryBuilder
+  PostgreSQLSchemaManager: SilverStripe\PostgreSQL\PostgreSQLSchemaManager
diff --git a/_config.php b/_config.php
deleted file mode 100644
index b3d9bbc..0000000
--- a/_config.php
+++ /dev/null
@@ -1 +0,0 @@
-<?php
diff --git a/_config/connectors.yml b/_config/connectors.yml
index 7792b20..1da3e7a 100644
--- a/_config/connectors.yml
+++ b/_config/connectors.yml
@@ -3,14 +3,21 @@ name: postgresqlconnectors
 ---
 Injector:
   PostgrePDODatabase:
-    class: 'PostgreSQLDatabase'
+    class: 'SilverStripe\PostgreSQL\PostgreSQLDatabase'
     properties:
       connector: %$PDOConnector
       schemaManager: %$PostgreSQLSchemaManager
       queryBuilder: %$PostgreSQLQueryBuilder
   PostgreSQLDatabase:
-    class: 'PostgreSQLDatabase'
+    class: 'SilverStripe\PostgreSQL\PostgreSQLDatabase'
     properties:
       connector: %$PostgreSQLConnector
       schemaManager: %$PostgreSQLSchemaManager
-      queryBuilder: %$PostgreSQLQueryBuilder
\ No newline at end of file
+      queryBuilder: %$PostgreSQLQueryBuilder
+  PostgreSQLConnector:
+    class: 'SilverStripe\PostgreSQL\PostgreSQLConnector'
+    type: prototype
+  PostgreSQLSchemaManager:
+    class: 'SilverStripe\PostgreSQL\PostgreSQLSchemaManager'
+  PostgreSQLQueryBuilder:
+    class: 'SilverStripe\PostgreSQL\PostgreSQLQueryBuilder'
diff --git a/code/PostgreSQLConnector.php b/code/PostgreSQLConnector.php
index 3dd945d..7e8fee9 100644
--- a/code/PostgreSQLConnector.php
+++ b/code/PostgreSQLConnector.php
@@ -1,12 +1,17 @@
 <?php
 
+namespace SilverStripe\PostgreSQL;
+
+use SilverStripe\ORM\Connect\DBConnector;
+use ErrorException;
+
 /**
  * PostgreSQL connector class using the PostgreSQL specific api
- * 
+ *
  * The connector doesn't know anything about schema selection, so code related to
  * masking multiple databases as schemas should be handled in the database controller
  * and schema manager.
- * 
+ *
  * @package sapphire
  * @subpackage model
  */
@@ -14,21 +19,21 @@ class PostgreSQLConnector extends DBConnector
 {
     /**
      * Connection to the PG Database database
-     * 
+     *
      * @var resource
      */
     protected $dbConn = null;
 
     /**
      * Name of the currently selected database
-     * 
+     *
      * @var string
      */
     protected $databaseName = null;
 
     /**
      * Reference to the last query result (for pg_affected_rows)
-     * 
+     *
      * @var resource
      */
     protected $lastQuery = null;
@@ -44,7 +49,7 @@ class PostgreSQLConnector extends DBConnector
 
     /**
      * Escape a parameter to be used in the connection string
-     * 
+     *
      * @param array $parameters All parameters
      * @param string $key The key in $parameters to pull from
      * @param string $name The connection string parameter name
@@ -85,7 +90,7 @@ class PostgreSQLConnector extends DBConnector
         if ($this->dbConn) {
             pg_close($this->dbConn);
         }
-        
+
         // Connect
         $this->dbConn = @pg_connect(implode(' ', $arguments));
         if ($this->dbConn === false) {
@@ -143,13 +148,13 @@ class PostgreSQLConnector extends DBConnector
     /**
      * Determines if the SQL fragment either breaks into or out of a string literal
      * by counting single quotes
-     * 
+     *
      * Handles double-quote escaped quotes as well as slash escaped quotes
-     * 
+     *
      * @todo Test this!
-     * 
+     *
      * @see http://www.postgresql.org/docs/8.3/interactive/sql-syntax-lexical.html#SQL-SYNTAX-STRINGS
-     * 
+     *
      * @param string $input The SQL fragment
      * @return boolean True if the string breaks into or out of a string literal
      */
@@ -167,9 +172,9 @@ class PostgreSQLConnector extends DBConnector
     /**
      * Iteratively replaces all question marks with numerical placeholders
      * E.g. "Title = ? AND Name = ?" becomes "Title = $1 AND Name = $2"
-     * 
+     *
      * @todo Better consider question marks in string literals
-     * 
+     *
      * @param string $sql Paramaterised query using question mark placeholders
      * @return string Paramaterised query using numeric placeholders
      */
@@ -221,13 +226,13 @@ class PostgreSQLConnector extends DBConnector
         } else {
             $result = pg_query($this->dbConn, $sql);
         }
-        
+
         // Handle error
         if ($result === false) {
             $this->databaseError($this->getLastError(), $errorLevel, $sql, $parameters);
             return null;
         }
-        
+
         // Save and return results
         $this->lastQuery = $result;
         $this->lastRows = pg_affected_rows($result);
@@ -253,16 +258,6 @@ class PostgreSQLConnector extends DBConnector
         return pg_escape_string($this->dbConn, $value);
     }
 
-    public function escapeIdentifier($value, $separator = '.')
-    {
-        if (empty($separator) && function_exists('pg_escape_identifier')) {
-            return pg_escape_identifier($this->dbConn, $value);
-        }
-
-        // Let parent function handle recursive calls
-        return parent::escapeIdentifier($value, $separator);
-    }
-
     public function selectDatabase($name)
     {
         if ($name !== $this->databaseName) {
diff --git a/code/PostgreSQLDatabase.php b/code/PostgreSQLDatabase.php
index 00a7cbe..dd7657e 100644
--- a/code/PostgreSQLDatabase.php
+++ b/code/PostgreSQLDatabase.php
@@ -1,8 +1,19 @@
 <?php
 
+namespace SilverStripe\PostgreSQL;
+
+use SilverStripe\ORM\DB;
+use SilverStripe\ORM\DataObject;
+use SilverStripe\ORM\ArrayList;
+use SilverStripe\ORM\Connect\SS_Database;
+use Config;
+use ErrorException;
+use Exception;
+use PaginatedList;
+
 /**
  * PostgreSQL connector class.
- * 
+ *
  * @package sapphire
  * @subpackage model
  */
@@ -10,14 +21,14 @@ class PostgreSQLDatabase extends SS_Database
 {
     /**
      * Database schema manager object
-     * 
+     *
      * @var PostgreSQLSchemaManager
      */
     protected $schemaManager;
 
     /**
      * The currently selected database schema name.
-     * 
+     *
      * @var string
      */
     protected $schema;
@@ -30,22 +41,22 @@ class PostgreSQLDatabase extends SS_Database
 
     /**
      * Full text cluster method. (e.g. GIN or GiST)
-     * 
+     *
      * @return string
      */
     public static function default_fts_cluster_method()
     {
-        return Config::inst()->get('PostgreSQLDatabase', 'default_fts_cluster_method');
+        return Config::inst()->get('SilverStripe\\PostgreSQL\\PostgreSQLDatabase', 'default_fts_cluster_method');
     }
 
     /**
      * Full text search method.
-     * 
+     *
      * @return string
      */
     public static function default_fts_search_method()
     {
-        return Config::inst()->get('PostgreSQLDatabase', 'default_fts_search_method');
+        return Config::inst()->get('SilverStripe\\PostgreSQL\\PostgreSQLDatabase', 'default_fts_search_method');
     }
 
     /**
@@ -55,13 +66,13 @@ class PostgreSQLDatabase extends SS_Database
      * Some locked down systems prevent access to the 'postgres' table in
      * which case you need to set this to false.
      *
-     * If allow_query_master_postgres is false, and model_schema_as_database is also false, 
+     * If allow_query_master_postgres is false, and model_schema_as_database is also false,
      * then attempts to create or check databases beyond the initial connection will
      * result in a runtime error.
      */
     public static function allow_query_master_postgres()
     {
-        return Config::inst()->get('PostgreSQLDatabase', 'allow_query_master_postgres');
+        return Config::inst()->get('SilverStripe\\PostgreSQL\\PostgreSQLDatabase', 'allow_query_master_postgres');
     }
 
     /**
@@ -70,13 +81,13 @@ class PostgreSQLDatabase extends SS_Database
      * instead of using databases. This may be useful if the database user does not
      * have cross-database permissions, and in cases where multiple databases are used
      * (such as in running test cases).
-     * 
+     *
      * If this is true then the database will only be set during the initial connection,
      * and attempts to change to this database will use the 'public' schema instead
      */
     public static function model_schema_as_database()
     {
-        return Config::inst()->get('PostgreSQLDatabase', 'model_schema_as_database');
+        return Config::inst()->get('SilverStripe\\PostgreSQL\\PostgreSQLDatabase', 'model_schema_as_database');
     }
 
     /**
@@ -84,16 +95,16 @@ class PostgreSQLDatabase extends SS_Database
      * could be any of the supported languages that can be found in the
      * pg_catalog.pg_ts_config table.
      *
-     * @var string
+     * @return string
      */
     public static function search_language()
     {
-        return Config::inst()->get('PostgreSQLDatabase', 'search_language');
+        return Config::inst()->get('SilverStripe\\PostgreSQL\\PostgreSQLDatabase', 'search_language');
     }
 
     /**
      * The database name specified at initial connection
-     * 
+     *
      * @var string
      */
     protected $databaseOriginal = '';
@@ -183,7 +194,7 @@ class PostgreSQLDatabase extends SS_Database
 
     /**
      * Sets the system timezone for the database connection
-     * 
+     *
      * @param string $timezone
      */
     public function selectTimezone($timezone)
@@ -211,7 +222,7 @@ class PostgreSQLDatabase extends SS_Database
 
     /**
      * Returns the name of the current schema in use
-     * 
+     *
      * @return string Name of current schema
      */
     public function currentSchema()
@@ -222,8 +233,8 @@ class PostgreSQLDatabase extends SS_Database
     /**
      * Utility method to manually set the schema to an alternative
      * Check existance & sets search path to the supplied schema name
-     * 
-     * @param string $name Name of the schema
+     *
+     * @param string $schema Name of the schema
      * @param boolean $create Flag indicating whether the schema should be created
      * if it doesn't exist. If $create is false and the schema doesn't exist
      * then an error will be raised
@@ -256,14 +267,12 @@ class PostgreSQLDatabase extends SS_Database
      * the search path is provided as an advanced PostgreSQL feature for raw
      * SQL queries. Sapphire cannot search for datamodel tables in alternate
      * schemas, so be wary of using alternate schemas within the ORM environment.
-     * 
-     * @param string $arg1 First schema to use
-     * @param string $arg2 Second schema to use
-     * @param string $argN Nth schema to use
+     *
+     * @param string ...$arg Schema name to use. Add additional schema names as extra arguments.
      */
-    public function setSchemaSearchPath()
+    public function setSchemaSearchPath($arg = null)
     {
-        if (func_num_args() == 0) {
+        if (!$arg) {
             user_error('At least one Schema must be supplied to set a search path.', E_USER_ERROR);
         }
         $schemas = array_values(func_get_args());
@@ -274,8 +283,17 @@ class PostgreSQLDatabase extends SS_Database
      * The core search engine configuration.
      * @todo Properly extract the search functions out of the core.
      *
+     * @param array $classesToSearch
      * @param string $keywords Keywords as a space separated string
-     * @return object DataObjectSet of result pages
+     * @param int $start
+     * @param int $pageLength
+     * @param string $sortBy
+     * @param string $extraFilter
+     * @param bool $booleanSearch
+     * @param string $alternativeFileFilter
+     * @param bool $invertedMatch
+     * @return PaginatedList List of result pages
+     * @throws Exception
      */
     public function searchEngine($classesToSearch, $keywords, $start, $pageLength, $sortBy = "ts_rank DESC", $extraFilter = "", $booleanSearch = false, $alternativeFileFilter = "", $invertedMatch = false)
     {
@@ -580,7 +598,7 @@ class PostgreSQLDatabase extends SS_Database
      * Determines the name of the current database to be reported externally
      * by substituting the schema name for the database name.
      * Should only be used when model_schema_as_database is true
-     * 
+     *
      * @param string $schema Name of the schema
      * @return string Name of the database to report
      */
@@ -595,7 +613,7 @@ class PostgreSQLDatabase extends SS_Database
     /**
      * Translates a requested database name to a schema name to substitute internally.
      * Should only be used when model_schema_as_database is true
-     * 
+     *
      * @param string $database Name of the database
      * @return string Name of the schema to use for this database internally
      */
@@ -613,7 +631,7 @@ class PostgreSQLDatabase extends SS_Database
             // Check current schema is valid
             $oldSchema = $this->schema;
             if (empty($oldSchema)) {
-                return true;
+                return;
             } // Nothing selected to drop
 
             // Select another schema
@@ -667,6 +685,7 @@ class PostgreSQLDatabase extends SS_Database
         // New connection made here, treating the new database name as the new original
         $this->databaseOriginal = $name;
         $this->connectDefault();
+        return true;
     }
 
     /**
diff --git a/code/PostgreSQLDatabaseConfigurationHelper.php b/code/PostgreSQLDatabaseConfigurationHelper.php
index cf7ba7c..6e5ec9b 100644
--- a/code/PostgreSQLDatabaseConfigurationHelper.php
+++ b/code/PostgreSQLDatabaseConfigurationHelper.php
@@ -1,17 +1,25 @@
 <?php
+
+namespace SilverStripe\PostgreSQL;
+
+use DatabaseConfigurationHelper;
+use PDO;
+use Exception;
+use DatabaseAdapterRegistry;
+
 /**
  * This is a helper class for the SS installer.
- * 
+ *
  * It does all the specific checking for PostgreSQLDatabase
  * to ensure that the configuration is setup correctly.
- * 
+ *
  * @package postgresql
  */
 class PostgreSQLDatabaseConfigurationHelper implements DatabaseConfigurationHelper
 {
     /**
      * Create a connection of the appropriate type
-     * 
+     *
      * @param array $databaseConfig
      * @param string $error Error message passed by value
      * @return mixed|null Either the connection object, or null if error
@@ -22,7 +30,7 @@ class PostgreSQLDatabaseConfigurationHelper implements DatabaseConfigurationHelp
         $username = empty($databaseConfig['username']) ? '' : $databaseConfig['username'];
         $password = empty($databaseConfig['password']) ? '' : $databaseConfig['password'];
         $server = $databaseConfig['server'];
-        
+
         try {
             switch ($databaseConfig['type']) {
                 case 'PostgreSQLDatabase':
@@ -95,7 +103,7 @@ class PostgreSQLDatabaseConfigurationHelper implements DatabaseConfigurationHelp
 
     /**
      * Ensure that the PostgreSQL version is at least 8.3.
-     * 
+     *
      * @param array $databaseConfig Associative array of db configuration, e.g. "server", "username" etc
      * @return array Result - e.g. array('success' => true, 'error' => 'details of error')
      */
@@ -119,28 +127,10 @@ class PostgreSQLDatabaseConfigurationHelper implements DatabaseConfigurationHelp
             'error' => $error
         );
     }
-    
-    /**
-     * Helper function to quote a string value
-     * 
-     * @param mixed $conn Connection object/resource
-     * @param string $value Value to quote
-     * @return string Quoted strieng
-     */
-    protected function quote($conn, $value)
-    {
-        if ($conn instanceof PDO) {
-            return $conn->quote($value);
-        } elseif (is_resource($conn)) {
-            return "'".pg_escape_string($conn, $value)."'";
-        } else {
-            user_error('Invalid database connection', E_USER_ERROR);
-        }
-    }
-    
+
     /**
      * Helper function to execute a query
-     * 
+     *
      * @param mixed $conn Connection object/resource
      * @param string $sql SQL string to execute
      * @return array List of first value from each resulting row
@@ -178,7 +168,7 @@ class PostgreSQLDatabaseConfigurationHelper implements DatabaseConfigurationHelp
                 $success = in_array($databaseConfig['username'], $allowedUsers);
             }
         }
-        
+
         return array(
             'success' => $success,
             'alreadyExists' => $alreadyExists
diff --git a/code/PostgreSQLQuery.php b/code/PostgreSQLQuery.php
index 7b1fc7e..811c610 100644
--- a/code/PostgreSQLQuery.php
+++ b/code/PostgreSQLQuery.php
@@ -1,8 +1,12 @@
 <?php
 
+namespace SilverStripe\PostgreSQL;
+
+use SilverStripe\ORM\Connect\SS_Query;
+
 /**
  * A result-set from a PostgreSQL database.
- * 
+ *
  * @package sapphire
  * @subpackage model
  */
@@ -16,8 +20,7 @@ class PostgreSQLQuery extends SS_Query
 
     /**
      * Hook the result-set given into a Query class, suitable for use by sapphire.
-     * @param database The database object that created this query.
-     * @param handle the internal Postgres handle that is points to the resultset.
+     * @param resource $handle the internal Postgres handle that is points to the resultset.
      */
     public function __construct($handle)
     {
diff --git a/code/PostgreSQLQueryBuilder.php b/code/PostgreSQLQueryBuilder.php
index bc3f4c1..90b7b3e 100644
--- a/code/PostgreSQLQueryBuilder.php
+++ b/code/PostgreSQLQueryBuilder.php
@@ -1,5 +1,11 @@
 <?php
 
+namespace SilverStripe\PostgreSQL;
+
+use SilverStripe\ORM\Queries\SQLSelect;
+use SilverStripe\ORM\Connect\DBQueryBuilder;
+use InvalidArgumentException;
+
 class PostgreSQLQueryBuilder extends DBQueryBuilder
 {
     /**
@@ -18,7 +24,7 @@ class PostgreSQLQueryBuilder extends DBQueryBuilder
         if (empty($limit)) {
             return '';
         }
-        
+
         // For literal values return this as the limit SQL
         if (! is_array($limit)) {
             return "{$nl}LIMIT $limit";
@@ -34,7 +40,7 @@ class PostgreSQLQueryBuilder extends DBQueryBuilder
         if ($limit['limit'] === null) {
             $limit['limit'] = 'ALL';
         }
-        
+
         $clause = "{$nl}LIMIT {$limit['limit']}";
         if (isset($limit['start']) && is_numeric($limit['start']) && $limit['start'] !== 0) {
             $clause .= " OFFSET {$limit['start']}";
diff --git a/code/PostgreSQLSchemaManager.php b/code/PostgreSQLSchemaManager.php
index 3e0f4d6..1403dba 100644
--- a/code/PostgreSQLSchemaManager.php
+++ b/code/PostgreSQLSchemaManager.php
@@ -1,22 +1,28 @@
 <?php
 
+namespace SilverStripe\PostgreSQL;
+
+use SilverStripe\ORM\Connect\DBSchemaManager;
+use SilverStripe\ORM\DB;
+use Deprecation;
+
 /**
  * PostgreSQL schema manager
- * 
+ *
  * @package sapphire
  * @subpackage model
  */
 class PostgreSQLSchemaManager extends DBSchemaManager
 {
     /**
-     * Identifier for this schema, used for configuring schema-specific table 
+     * Identifier for this schema, used for configuring schema-specific table
      * creation options
      */
     const ID = 'PostgreSQL';
 
     /**
      * Instance of the database controller this schema belongs to
-     * 
+     *
      * @var PostgreSQLDatabase
      */
     protected $database = null;
@@ -47,7 +53,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Creates a postgres database, ignoring model_schema_as_database
-     * 
+     *
      * @param string $name
      */
     public function createPostgresDatabase($name)
@@ -66,7 +72,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Determines if a postgres database exists, ignoring model_schema_as_database
-     * 
+     *
      * @param string $name
      * @return boolean
      */
@@ -87,7 +93,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Determines the list of all postgres databases, ignoring model_schema_as_database
-     * 
+     *
      * @return array
      */
     public function postgresDatabaseList()
@@ -109,7 +115,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
     }
     /**
      * Drops a postgres database, ignoring model_schema_as_database
-     * 
+     *
      * @param string $name
      */
     public function dropPostgresDatabase($name)
@@ -122,14 +128,15 @@ class PostgreSQLSchemaManager extends DBSchemaManager
     {
         if (PostgreSQLDatabase::model_schema_as_database()) {
             $schemaName = $this->database->databaseToSchemaName($name);
-            return $this->dropSchema($schemaName);
+            $this->dropSchema($schemaName);
+            return;
         }
         $this->dropPostgresDatabase($name);
     }
 
     /**
      * Returns true if the schema exists in the current database
-     * 
+     *
      * @param string $name
      * @return boolean
      */
@@ -143,7 +150,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Creates a schema in the current database
-     * 
+     *
      * @param string $name
      */
     public function createSchema($name)
@@ -154,7 +161,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Drops a schema from the database. Use carefully!
-     * 
+     *
      * @param string $name
      */
     public function dropSchema($name)
@@ -165,7 +172,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Returns the list of all available schemas on the current database
-     * 
+     *
      * @return array
      */
     public function schemaList()
@@ -257,9 +264,9 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Builds the internal Postgres index name given the silverstripe table and index name
-     * 
+     *
      * @param string $tableName
-     * @param string $indexName 
+     * @param string $indexName
      * @param string $prefix The optional prefix for the index. Defaults to "ix" for indexes.
      * @return string The postgres name of the index
      */
@@ -281,7 +288,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Builds the internal Postgres trigger name given the silverstripe table and trigger name
-     * 
+     *
      * @param string $tableName
      * @param string $triggerName
      * @return string The postgres name of the trigger
@@ -400,7 +407,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
         if ($alteredOptions && isset($this->class) && isset($alteredOptions[$this->class])) {
             $this->query(sprintf("ALTER TABLE \"%s\" %s", $table, $alteredOptions[$this->class]));
-            Database::alteration_message(
+            DB::alteration_message(
                 sprintf("Table %s options changed: %s", $table, $alteredOptions[$this->class]),
                 "changed"
             );
@@ -563,7 +570,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Change the database type of the given field.
-     * 
+     *
      * @param string $tableName The name of the tbale the field is in.
      * @param string $fieldName The name of the field to change.
      * @param string $fieldSpec The new field specification
@@ -697,7 +704,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * Create an index on a table.
-     * 
+     *
      * @param string $tableName The name of the table.
      * @param string $indexName The name of the index.
      * @param string $indexSpec The specification of the index, see Database::requireIndex() for more details.
@@ -773,7 +780,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
         //create a type-specific index
         // NOTE:  hash should be removed.  This is only here to demonstrate how other indexes can be made
-        // NOTE: Quote the index name to preserve case sensitivity 
+        // NOTE: Quote the index name to preserve case sensitivity
         switch ($indexSpec['type']) {
             case 'fulltext':
                 // @see fulltext() for the definition of the trigger that ts_$IndexName uses for fulltext searching
@@ -808,6 +815,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
         if ($indexSpec[0] != '(') {
             list($indexType, $indexFields) = explode(' ', $indexSpec, 2);
         } else {
+            $indexType = null;
             $indexFields = $indexSpec;
         }
 
@@ -961,7 +969,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
 
     /**
      * A function to return the field names and datatypes for the particular table
-     * 
+     *
      * @param string $tableName
      * @return array List of columns an an associative array with the keys Column and DataType
      */
@@ -1045,28 +1053,12 @@ class PostgreSQLSchemaManager extends DBSchemaManager
      * Return a boolean type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function boolean($values, $asDbValue=false)
+    public function boolean($values)
     {
-        //Annoyingly, we need to do a good ol' fashioned switch here:
         $default = $values['default'] ? '1' : '0';
-
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        if ($asDbValue) {
-            return array('data_type'=>'smallint');
-        }
-
-        if ($values['arrayValue'] != '') {
-            $default = '';
-        } else {
-            $default = ' default ' . (int)$values['default'];
-        }
-        return "smallint{$values['arrayValue']}" . $default;
+        return "smallint default {$default}";
     }
 
     /**
@@ -1077,26 +1069,17 @@ class PostgreSQLSchemaManager extends DBSchemaManager
      */
     public function date($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        return "date{$values['arrayValue']}";
+        return "date";
     }
 
     /**
      * Return a decimal type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function decimal($values, $asDbValue=false)
+    public function decimal($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
         // Avoid empty strings being put in the db
         if ($values['precision'] == '') {
             $precision = 1;
@@ -1109,11 +1092,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
             $defaultValue = ' default ' . floatval($values['default']);
         }
 
-        if ($asDbValue) {
-            return array('data_type' => 'numeric', 'precision' => $precision);
-        } else {
-            return "decimal($precision){$values['arrayValue']}$defaultValue";
-        }
+        return "decimal($precision)$defaultValue";
     }
 
     /**
@@ -1124,103 +1103,52 @@ class PostgreSQLSchemaManager extends DBSchemaManager
      */
     public function enum($values)
     {
-        //Enums are a bit different. We'll be creating a varchar(255) with a constraint of all the usual enum options.
-        //NOTE: In this one instance, we are including the table name in the values array
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        if ($values['arrayValue']!='') {
-            $default = '';
-        } else {
-            $default = " default '{$values['default']}'";
-        }
-
-        return "varchar(255){$values['arrayValue']}" . $default . " check (\"" . $values['name'] . "\" in ('" . implode('\', \'', $values['enums']) . "'))";
+        $default = " default '{$values['default']}'";
+        return "varchar(255)" . $default . " check (\"" . $values['name'] . "\" in ('" . implode('\', \'', $values['enums']) . "'))";
     }
 
     /**
      * Return a float type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function float($values, $asDbValue = false)
+    public function float($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        if ($asDbValue) {
-            return array('data_type' => 'double precision');
-        } else {
-            return "float{$values['arrayValue']}";
-        }
+        return "float";
     }
 
     /**
      * Return a float type-formatted string cause double is not supported
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function double($values, $asDbValue=false)
+    public function double($values)
     {
-        return $this->float($values, $asDbValue);
+        return $this->float($values);
     }
 
     /**
      * Return a int type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function int($values, $asDbValue = false)
+    public function int($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        if ($asDbValue) {
-            return array('data_type'=>'integer', 'precision'=>'32');
-        }
-
-        if ($values['arrayValue']!='') {
-            $default='';
-        } else {
-            $default=' default ' . (int)$values['default'];
-        }
-
-        return "integer{$values['arrayValue']}" . $default;
+        return "integer default " . (int)$values['default'];
     }
 
     /**
      * Return a bigint type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function bigint($values, $asDbValue = false)
+    public function bigint($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        if ($asDbValue) {
-            return array('data_type'=>'bigint', 'precision'=>'64');
-        }
-
-        if ($values['arrayValue']!='') {
-            $default='';
-        } else {
-            $default=' default ' . (int)$values['default'];
-        }
-
-        return "bigint{$values['arrayValue']}" . $default;
+        return "bigint default" . (int)$values['default'];
     }
 
     /**
@@ -1228,40 +1156,22 @@ class PostgreSQLSchemaManager extends DBSchemaManager
      * For PostgreSQL, we simply return the word 'timestamp', no other parameters are necessary
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function SS_Datetime($values, $asDbValue = false)
+    public function datetime($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue']='';
-        }
-
-        if ($asDbValue) {
-            return array('data_type'=>'timestamp without time zone');
-        } else {
-            return "timestamp{$values['arrayValue']}";
-        }
+        return "timestamp";
     }
 
     /**
      * Return a text type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function text($values, $asDbValue = false)
+    public function text($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue'] = '';
-        }
-
-        if ($asDbValue) {
-            return array('data_type'=>'text');
-        } else {
-            return "text{$values['arrayValue']}";
-        }
+        return "text";
     }
 
     /**
@@ -1272,57 +1182,34 @@ class PostgreSQLSchemaManager extends DBSchemaManager
      */
     public function time($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue'] = '';
-        }
-
-        return "time{$values['arrayValue']}";
+        return "time";
     }
 
     /**
      * Return a varchar type-formatted string
      *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function varchar($values, $asDbValue=false)
+    public function varchar($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue'] = '';
-        }
-
         if (!isset($values['precision'])) {
             $values['precision'] = 255;
         }
 
-        if ($asDbValue) {
-            return array('data_type'=>'varchar', 'precision'=>$values['precision']);
-        } else {
-            return "varchar({$values['precision']}){$values['arrayValue']}";
-        }
+        return "varchar({$values['precision']})";
     }
 
     /*
      * Return a 4 digit numeric type.  MySQL has a proprietary 'Year' type.
      * For Postgres, we'll use a 4 digit numeric
-     * 
+     *
      * @param array $values Contains a tokenised list of info about this data type
-     * @param boolean $asDbValue
      * @return string
      */
-    public function year($values, $asDbValue = false)
+    public function year($values)
     {
-        if (!isset($values['arrayValue'])) {
-            $values['arrayValue'] = '';
-        }
-
-        //TODO: the DbValue result does not include the numeric_scale option (ie, the ,0 value in 4,0)
-        if ($asDbValue) {
-            return array('data_type'=>'decimal', 'precision'=>'4');
-        } else {
-            return "decimal(4,0){$values['arrayValue']}";
-        }
+        return "decimal(4,0)";
     }
 
     /**
@@ -1334,7 +1221,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
      * @param array $this_index Index specification for the fulltext index
      * @param string $tableName
      * @param string $name
-     * @param array $spec
+     * @return array
      */
     protected function fulltext($this_index, $tableName, $name)
     {
@@ -1431,7 +1318,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
     /*
      * Given a tablespace and and location, either create a new one
      * or update the existing one
-     * 
+     *
      * @param string $name
      * @param string $location
      */
@@ -1456,13 +1343,13 @@ class PostgreSQLSchemaManager extends DBSchemaManager
     }
 
     /**
-     * 
+     *
      * @param string $tableName
      * @param array $partitions
      * @param array $indexes
      * @param array $extensions
      */
-    public function createOrReplacePartition($tableName, $partitions, $indexes, $extensions)
+    public function createOrReplacePartition($tableName, $partitions, $indexes = [], $extensions = [])
     {
 
         //We need the plpgsql language to be installed for this to work:
@@ -1550,7 +1437,7 @@ class PostgreSQLSchemaManager extends DBSchemaManager
     /*
      * This will create a language if it doesn't already exist.
      * This is used by the createOrReplacePartition function, which needs plpgsql
-     * 
+     *
      * @param string $language Language name
      */
     public function createLanguage($language)
diff --git a/tests/PostgreSQLConnectorTest.php b/tests/PostgreSQLConnectorTest.php
index 6dba478..82653e5 100644
--- a/tests/PostgreSQLConnectorTest.php
+++ b/tests/PostgreSQLConnectorTest.php
@@ -1,5 +1,7 @@
 <?php
 
+use SilverStripe\PostgreSQL\PostgreSQLConnector;
+
 /**
  * Description of PostgreSQLConnectorTest
  *
diff --git a/tests/PostgreSQLDatabaseTest.php b/tests/PostgreSQLDatabaseTest.php
index 393538d..0331ad0 100644
--- a/tests/PostgreSQLDatabaseTest.php
+++ b/tests/PostgreSQLDatabaseTest.php
@@ -1,4 +1,9 @@
 <?php
+
+use SilverStripe\ORM\DB;
+use SilverStripe\ORM\DataObject;
+use SilverStripe\PostgreSQL\PostgreSQLDatabase;
+
 /**
  * @package postgresql
  * @subpackage tests