6 files changed, 93 insertions, 9 deletions
diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index c5fadbfd0a..87c40ef78f 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -167,6 +167,7 @@ class acp_database
 							// Get the table structure
 							if ($structure)
 							{
+								$sql_data .= "\n";
 								switch ($db->sql_layer)
 								{
 									case 'mysqli':
@@ -213,7 +214,18 @@ class acp_database
 							else
 							{
 								// We might wanna empty out all that junk :D
-								$sql_data .= (($db->sql_layer == 'sqlite') ? 'DELETE FROM ' : 'TRUNCATE TABLE ') . $table_name . ";\n";
+								switch ($db->sql_layer)
+								{
+									case 'sqlite':
+									case 'firebird':
+										$sql_data .= 'DELETE FROM ';
+									break;
+
+									default:
+										$sql_data .= 'TRUNCATE TABLE ';
+									break;
+								}
+								$sql_data .= $table_name . ";\n";
 							}
 
 							// Now write the data for the first time. :)
@@ -757,7 +769,7 @@ class acp_database
 
 										if ($retrieved_data)
 										{
-											$sql_data = "\nGO\n";
+											$sql_data = "GO\n";
 											if ($ident_set)
 											{
 												$sql_data .= "\nSET IDENTITY_INSERT $table_name OFF\nGO\n";
diff --git a/phpBB/includes/acp/acp_icons.php b/phpBB/includes/acp/acp_icons.php
index 321df3ecb1..bcdd8c71d8 100644
--- a/phpBB/includes/acp/acp_icons.php
+++ b/phpBB/includes/acp/acp_icons.php
@@ -334,7 +334,17 @@ class acp_icons
 					// The user has already selected a smilies_pak file
 					if ($current == 'delete')
 					{
-						$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . $table);
+						switch ($db->sql_layer)
+						{
+							case 'sqlite':
+							case 'firebird':
+								$db->sql_query('DELETE FROM ' . $table);
+							break;
+
+							default:
+								$db->sql_query('TRUNCATE TABLE ' . $table);
+							break;
+						}
 
 						switch ($mode)
 						{
diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index fad9ad47b7..bf958ba319 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -147,7 +147,17 @@ class acp_main
 			break;
 		
 			case 'db_track':
-				$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . TOPICS_POSTED_TABLE);
+				switch ($db->sql_layer)
+				{
+					case 'sqlite':
+					case 'firebird':
+						$db->sql_query('DELETE FROM ' . TOPICS_POSTED_TABLE);
+					break;
+
+					default:
+						$db->sql_query('TRUNCATE TABLE ' . TOPICS_POSTED_TABLE);
+					break;
+				}
 
 				// This can get really nasty... therefore we only do the last six months
 				$get_from_time = time() - (6 * 4 * 7 * 24 * 60 * 60);
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index 8e4865fa97..7208aee113 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -1983,7 +1983,17 @@ function cache_moderators()
 	$cache->destroy('sql', MODERATOR_CACHE_TABLE);
 
 	// Clear table
-	$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . MODERATOR_CACHE_TABLE);
+	switch ($db->sql_layer)
+	{
+		case 'sqlite':
+		case 'firebird':
+			$db->sql_query('DELETE FROM ' . MODERATOR_CACHE_TABLE);
+		break;
+
+		default:
+			$db->sql_query('TRUNCATE TABLE ' . MODERATOR_CACHE_TABLE);
+		break;
+	}
 
 	// We add moderators who have forum moderator permissions without an explicit ACL_NEVER setting
 	$hold_ary = $ug_id_ary = $sql_ary = array();
diff --git a/phpBB/includes/functions_convert.php b/phpBB/includes/functions_convert.php
index 14dd4c370b..ab903ac2ad 100644
--- a/phpBB/includes/functions_convert.php
+++ b/phpBB/includes/functions_convert.php
@@ -1833,7 +1833,17 @@ function update_topics_posted()
 {
 	global $db, $config;
 
-	$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . TOPICS_POSTED_TABLE);
+	switch ($db->sql_layer)
+	{
+		case 'sqlite':
+		case 'firebird':
+			$db->sql_query('DELETE FROM ' . TOPICS_POSTED_TABLE);
+		break;
+
+		default:
+			$db->sql_query('TRUNCATE TABLE ' . TOPICS_POSTED_TABLE);
+		break;
+	}
 
 	// This can get really nasty... therefore we only do the last six months
 	$get_from_time = time() - (6 * 4 * 7 * 24 * 60 * 60);
diff --git a/phpBB/includes/search/fulltext_native.php b/phpBB/includes/search/fulltext_native.php
index 11ca09805a..bd197feede 100755
--- a/phpBB/includes/search/fulltext_native.php
+++ b/phpBB/includes/search/fulltext_native.php
@@ -1266,9 +1266,41 @@ class fulltext_native extends search_backend
 	{
 		global $db;
 
-		$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . SEARCH_WORDLIST_TABLE);
-		$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . SEARCH_WORDMATCH_TABLE);
-		$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . SEARCH_RESULTS_TABLE);
+		switch ($db->sql_layer)
+		{
+			case 'sqlite':
+			case 'firebird':
+				$db->sql_query('DELETE FROM ' . SEARCH_WORDLIST_TABLE);
+			break;
+
+			default:
+				$db->sql_query('TRUNCATE TABLE ' . SEARCH_WORDLIST_TABLE);
+			break;
+		}
+
+		switch ($db->sql_layer)
+		{
+			case 'sqlite':
+			case 'firebird':
+				$db->sql_query('DELETE FROM ' . SEARCH_WORDMATCH_TABLE);
+			break;
+
+			default:
+				$db->sql_query('TRUNCATE TABLE ' . SEARCH_WORDMATCH_TABLE);
+			break;
+		}
+
+		switch ($db->sql_layer)
+		{
+			case 'sqlite':
+			case 'firebird':
+				$db->sql_query('DELETE FROM ' . SEARCH_RESULTS_TABLE);
+			break;
+
+			default:
+				$db->sql_query('TRUNCATE TABLE ' . SEARCH_RESULTS_TABLE);
+			break;
+		}
 	}
 
 	/**