Issue #1575790 by greg.1.anderson, sun, tim.plunkett: Fixed Update #7002 fails...

Issue #1575790 by greg.1.anderson, sun, tim.plunkett: Fixed Update #7002 fails on postgres - ILIKE operator on bytea not supported.

core/lib/Drupal/Core/Database/Driver/pgsql/Connection.php

@@ -138,6 +138,17 @@ public function query($query, array $args = array(), $options = array()) {
     }
   }
 
+  public function prepareQuery($query) {
+    // mapConditionOperator converts LIKE operations to ILIKE for consistency
+    // with MySQL. However, Postgres does not support ILIKE on bytea (blobs)
+    // fields.
+    // To make the ILIKE operator work, we type-cast bytea fields into text.
+    // @todo This workaround only affects bytea fields, but the involved field
+    //   types involved in the query are unknown, so there is no way to
+    //   conditionally execute this for affected queries only.
+    return parent::prepareQuery(preg_replace('/ ([^ ]+) +(I*LIKE|NOT +I*LIKE) /i', ' ${1}::text ${2} ', $query));
+  }
+
   public function queryRange($query, $from, $count, array $args = array(), array $options = array()) {
     return $this->query($query . ' LIMIT ' . (int) $count . ' OFFSET ' . (int) $from, $args, $options);
   }