diff --git includes/database/pgsql/install.inc includes/database/pgsql/install.inc
index 2223781..776afed 100644
--- includes/database/pgsql/install.inc
+++ includes/database/pgsql/install.inc
@@ -18,6 +18,10 @@ class DatabaseTasks_pgsql extends DatabaseTasks {
       'arguments' => array(),
     );
     $this->tasks[] = array(
+      'function' => 'checkPHPVersion',
+      'arguments' => array(),
+    );
+    $this->tasks[] = array(
       'function' => 'initializeDatabase',
       'arguments' => array(),
     );
@@ -51,6 +55,34 @@ class DatabaseTasks_pgsql extends DatabaseTasks {
   }
 
   /**
+   * Check PHP version.
+   *
+   * There is a bug in PHP versions < 5.2.11 and < 5.3.1 that prevents
+   * PostgreSQL from inserting integer values into numeric columns that exceed
+   * the PHP_INT_MAX value (value varies dependant on 32 or 64 bit CPU).
+   */
+  function checkPHPVersion() {
+    try {
+      $txn = db_transaction();
+      db_query("CREATE TABLE test_php_version ( test_int INT NOT NULL )");
+      // See http://bugs.php.net/bug.php?id=48924 as to why this query may 
+      // fail. The error will throw an Exception so there is no need to test to
+      // see if the row inserted or not.
+      db_query("INSERT INTO test_php_version ( test_int ) VALUES (:big_int)", array(':big_int' => PHP_INT_MAX + 1));
+      db_query("DROP TABLE test_php_version"); 
+      $this->pass(st('PHP is at the correst version to run on PostgreSQL.'));
+    }
+    catch (Exception $e) {
+      // Failing is not fatal but the user should still be warned of the
+      // limitations of running PostgreSQL on the current version of PHP.
+      $text  = 'The version of PHP you are using has known issues with PostgreSQL. You can see more at ';
+      $text .= l('http://drupal.org/node/515310', 'http://drupal.org/node/515310') . '. ';
+      $text .= 'We suggest you upgrade PHP to 5.3.11, 5.3.1 or greater. Failing to do so may result in serious data corruption later.';
+      drupal_set_message(st($text), 'warning');
+    }
+  }
+
+  /**
    * Make PostgreSQL Drupal friendly.
    */
   function initializeDatabase() {