/**
* Drop tables in old_schema no longer defined in new_schema
*
* @param type $ofs
* @param type $old_schema
* @param type $new_schema
* @param type $old_table
* @param type $new_table
*/
public static function drop_tables($ofs, $old_schema, $new_schema, $old_table = null, $new_table = null)
{
if ($old_schema != null && $new_schema != null) {
foreach (dbx::get_tables($old_schema) as $table) {
// if old table was defined
if ($old_table != null) {
// is this the right old table?
if (strcasecmp($table['name'], $old_table['name']) != 0) {
continue;
}
}
// does the new schema contain the old table?
if (!pgsql8_schema::contains_table($new_schema, $table['name'])) {
// if the table was renamed, don't drop it
if (!dbsteward::$ignore_oldnames && pgsql8_schema::table_formerly_known_as(dbsteward::$new_database, $new_schema, $table, $reformed_schema, $reformed_table)) {
$old_table_name = pgsql8::get_quoted_schema_name($new_schema['name']) . '.' . pgsql8::get_quoted_table_name($table['name']);
$reformed_table_name = pgsql8::get_quoted_schema_name($reformed_schema['name']) . '.' . pgsql8::get_quoted_table_name($reformed_table['name']);
$ofs->write("-- DROP TABLE {$old_table_name} omitted: new table {$reformed_table_name} indicates it is her replacement\n");
} else {
$ofs->write(pgsql8_table::get_drop_sql($old_schema, $table) . "\n");
}
}
}
}
}