diff options
| -rw-r--r-- | phpBB/phpbb/db/tools.php | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/phpBB/phpbb/db/tools.php b/phpBB/phpbb/db/tools.php index 0e3ab59da0..9cd3e64d20 100644 --- a/phpBB/phpbb/db/tools.php +++ b/phpBB/phpbb/db/tools.php @@ -1869,7 +1869,7 @@ class tools } // Drop default value constraint - $result = $this->mssql_drop_default_constraints($table_name, $column_name); + $result = $this->mssql_get_drop_default_constraints_queries($table_name, $column_name); $statements = array_merge($statements, $result); // Remove the column @@ -2384,7 +2384,7 @@ class tools } // Drop default value constraint - $result = $this->mssql_drop_default_constraints($table_name, $column_name); + $result = $this->mssql_get_drop_default_constraints_queries($table_name, $column_name); $statements = array_merge($statements, $result); // Change the column @@ -2542,7 +2542,7 @@ class tools } /** - * Drop the default constraints of a column + * Get queries to drop the default constraints of a column * * We need to drop the default constraints of a column, * before being able to change their type or deleting them. @@ -2551,16 +2551,10 @@ class tools * @param string $column_name * @return array Array with SQL statements */ - protected function mssql_drop_default_constraints($table_name, $column_name) + protected function mssql_get_drop_default_constraints_queries($table_name, $column_name) { $statements = array(); - $sql = "SELECT CAST(SERVERPROPERTY('productversion') AS VARCHAR(25)) AS mssql_version"; - $result = $this->db->sql_query($sql); - $mssql_server_properties = $this->db->sql_fetchrow($result); - $this->db->sql_freeresult($result); - - // Remove default constraints - if ($mssql_server_properties['mssql_version'][0] == '8') // SQL Server 2000 + if ($this->mssql_is_sql_server_2000()) { // http://msdn.microsoft.com/en-us/library/aa175912%28v=sql.80%29.aspx // Deprecated in SQL Server 2005 @@ -2603,12 +2597,7 @@ class tools protected function mssql_get_existing_indexes($table_name, $column_name) { $existing_indexes = array(); - $sql = "SELECT CAST(SERVERPROPERTY('productversion') AS VARCHAR(25)) AS mssql_version"; - $result = $this->db->sql_query($sql); - $mssql_server_properties = $this->db->sql_fetchrow($result); - $this->db->sql_freeresult($result); - - if ($mssql_server_properties['mssql_version'][0] == '8') // SQL Server 2000 + if ($this->mssql_is_sql_server_2000()) { // http://msdn.microsoft.com/en-us/library/aa175912%28v=sql.80%29.aspx // Deprecated in SQL Server 2005 @@ -2650,7 +2639,7 @@ class tools return array(); } - if ($mssql_server_properties['mssql_version'][0] == '8') // SQL Server 2000 + if ($this->mssql_is_sql_server_2000()) { $sql = "SELECT DISTINCT ix.name AS phpbb_index_name, cols.name AS phpbb_column_name FROM sysindexes ix @@ -2687,4 +2676,25 @@ class tools return $existing_indexes; } + + protected $is_sql_server_2000; + + /** + * Is the used MS SQL Server a SQL Server 2000? + * + * @return bool + */ + protected function mssql_is_sql_server_2000() + { + if ($this->is_sql_server_2000 === null) + { + $sql = "SELECT CAST(SERVERPROPERTY('productversion') AS VARCHAR(25)) AS mssql_version"; + $result = $this->db->sql_query($sql); + $properties = $this->db->sql_fetchrow($result); + $this->db->sql_freeresult($result); + $this->is_sql_server_2000 = $properties['mssql_version'][0] == '8'; + } + + return $this->is_sql_server_2000; + } } |