3 files changed, 5 insertions, 5 deletions
diff --git a/phpBB/phpbb/db/extractor/mssql_extractor.php b/phpBB/phpbb/db/extractor/mssql_extractor.php
index 2817d3ebcc..4eeab4780e 100644
--- a/phpBB/phpbb/db/extractor/mssql_extractor.php
+++ b/phpBB/phpbb/db/extractor/mssql_extractor.php
@@ -132,14 +132,14 @@ class mssql_extractor extends base_extractor
 		$result = $this->db->sql_query($sql);
 		while ($row = $this->db->sql_fetchrow($result))
 		{
-			if (!sizeof($rows))
+			if (!count($rows))
 			{
 				$sql_data .= "ALTER TABLE [$table_name] WITH NOCHECK ADD\n";
 				$sql_data .= "\tCONSTRAINT [{$row['CONSTRAINT_NAME']}] PRIMARY KEY  CLUSTERED \n\t(\n";
 			}
 			$rows[] = "\t\t[{$row['COLUMN_NAME']}]";
 		}
-		if (sizeof($rows))
+		if (count($rows))
 		{
 			$sql_data .= implode(",\n", $rows);
 			$sql_data .= "\n\t)  ON [PRIMARY] \nGO\n";
diff --git a/phpBB/phpbb/db/extractor/oracle_extractor.php b/phpBB/phpbb/db/extractor/oracle_extractor.php
index 79a991889b..bc43a37b10 100644
--- a/phpBB/phpbb/db/extractor/oracle_extractor.php
+++ b/phpBB/phpbb/db/extractor/oracle_extractor.php
@@ -82,7 +82,7 @@ class oracle_extractor extends base_extractor
 		}
 		$this->db->sql_freeresult($result);
 
-		if (sizeof($primary_key))
+		if (count($primary_key))
 		{
 			$rows[] = "  CONSTRAINT {$constraint_name} PRIMARY KEY (" . implode(', ', $primary_key) . ')';
 		}
@@ -103,7 +103,7 @@ class oracle_extractor extends base_extractor
 		}
 		$this->db->sql_freeresult($result);
 
-		if (sizeof($unique))
+		if (count($unique))
 		{
 			$rows[] = "  CONSTRAINT {$constraint_name} UNIQUE (" . implode(', ', $unique) . ')';
 		}
diff --git a/phpBB/phpbb/db/extractor/postgres_extractor.php b/phpBB/phpbb/db/extractor/postgres_extractor.php
index a98e39621c..0219d2ac8d 100644
--- a/phpBB/phpbb/db/extractor/postgres_extractor.php
+++ b/phpBB/phpbb/db/extractor/postgres_extractor.php
@@ -85,7 +85,7 @@ class postgres_extractor extends base_extractor
 		// We don't even care about storing the results. We already know the answer if we get rows back.
 		if ($this->db->sql_fetchrow($result))
 		{
-			$sql_data .= "DROP SEQUENCE {$table_name}_seq;\n";
+			$sql_data .= "DROP SEQUENCE IF EXISTS {$table_name}_seq;\n";
 			$sql_data .= "CREATE SEQUENCE {$table_name}_seq;\n";
 		}
 		$this->db->sql_freeresult($result);