Fix - PHP: Support for server-side processing search on non-text fiel…

…ds with Postgres

- DD-918

Database.php

@@ -59,6 +59,7 @@ function __construct( $opts )
 			);
 		}
 
+		$this->type = $opts['type'];
 		$this->query_driver = "DataTables\\Database\\Driver\\".$opts['type'].'Query';
 		$this->_dbResource = isset( $opts['pdo'] ) ?
 			$opts['pdo'] :

Database/Query.php

@@ -1132,12 +1132,23 @@ protected function _where ( $where, $value=null, $type='AND ', $op="=", $bind=tr
 			}
 			else if ( $bind ) {
 				// Binding condition (i.e. escape data)
-				$this->_where[] = array(
-					'operator' => $type,
-					'group'    => null,
-					'field'    => $this->_protect_identifiers($key),
-					'query'    => $this->_protect_identifiers($key) .' '.$op.' '.$this->_safe_bind(':where_'.$i)
-				);
+				if ( $this->_dbHost->type === 'Postgres' && $op === 'like' ) {
+					// Postgres specific a it needs a case for string searching non-text data
+					$this->_where[] = array(
+						'operator' => $type,
+						'group'    => null,
+						'field'    => $this->_protect_identifiers($key),
+						'query'    => $this->_protect_identifiers($key).'::text ilike '.$this->_safe_bind(':where_'.$i)
+					);
+				}
+				else {
+					$this->_where[] = array(
+						'operator' => $type,
+						'group'    => null,
+						'field'    => $this->_protect_identifiers($key),
+						'query'    => $this->_protect_identifiers($key) .' '.$op.' '.$this->_safe_bind(':where_'.$i)
+					);
+				}
 				$this->bind( ':where_'.$i, $value );
 			}
 			else {