public function get_drop_sql($node_schema, $node_table, $node_index)
{
$ddl = "DROP INDEX " . mssql10::get_quoted_schema_name($node_schema['name']) . "." . mssql10::get_quoted_table_name($node_table['name']) . "." . mssql10::get_quoted_object_name($node_index['name']) . ";\n";
//@TODO: drop computed columns after DROP INDEX
return $ddl;
}
public static function get_sql($db_doc, $node_schema, $node_object, $node_permission)
{
$operations = mssql10_permission::get_permission_operations($node_permission);
$roles = preg_split(dbsteward::PATTERN_SPLIT_ROLE, $node_permission['role'], -1, PREG_SPLIT_NO_EMPTY);
$object_type = strtoupper($node_object->getName());
$sql = '';
switch ($object_type) {
case 'SCHEMA':
$object_name = mssql10::get_quoted_schema_name($node_schema['name']);
for ($i = 0; $i < count($operations); $i++) {
// see http://msdn.microsoft.com/en-us/library/ms187940.aspx
if (strcasecmp($operations[$i], 'USAGE') == 0) {
// for schemas, translate USAGE into SELECT
$operations[$i] = 'SELECT';
}
if (strcasecmp($operations[$i], 'ALL') == 0) {
$operations[$i] = 'SELECT';
$operations[] = 'INSERT';
$operations[] = 'UPDATE';
$operations[] = 'DELETE';
}
// CREATE TABLE permission is database-wide
// so create it explicitly here in-line
// and then remove it from the list of operations to define
if (strcasecmp($operations[$i], 'CREATE TABLE') == 0) {
for ($j = 0; $j < count($roles); $j++) {
$sql .= "GRANT CREATE TABLE TO " . mssql10::get_quoted_object_name(xml_parser::role_enum($db_doc, $roles[$j])) . ";\n";
}
unset($operations[$i]);
$operations = array_merge($operations);
$i--;
}
}
break;
case 'SEQUENCE':
for ($i = 0; $i < count($operations); $i++) {
// for sequences, translate USAGE into INSERT
if (strcasecmp($operations[$i], 'USAGE') == 0) {
$operations[$i] = 'INSERT';
}
}
// give explicit DELETE permission for pseudo sequences, implemented as mssql10_bit_table
if (!in_array('DELETE', $operations)) {
$operations[] = 'DELETE';
}
case 'TABLE':
case 'VIEW':
case 'FUNCTION':
$object_name = mssql10::get_quoted_schema_name($node_schema['name']) . '.' . mssql10::get_quoted_table_name($node_object['name']);
break;
default:
throw new exception("unknown object type encountered: " . $object_type);
}
for ($j = 0; $j < count($roles); $j++) {
$with = '';
if (isset($node_permission['with']) && strlen($node_permission['with']) > 0) {
$with = "WITH " . $node_permission['with'] . " OPTION";
}
// treat sequences as tables, because that's how mssql10_bit_table created them
if (strcasecmp($object_type, 'SEQUENCE') == 0) {
$object_type = 'TABLE';
}
// translate pg to ms object type names that the GRANT ... CLASS :: specifier accepts
$ms_object_type = $object_type;
// in mssql a table is an object when doing grants
if (strcasecmp($object_type, 'TABLE') == 0) {
$ms_object_type = 'OBJECT';
}
// in mssql a view is an object when doing grants
if (strcasecmp($object_type, 'VIEW') == 0) {
$ms_object_type = 'OBJECT';
}
// in mssql a function and a procedure is an object when doing grants
if (strcasecmp($object_type, 'FUNCTION') == 0) {
$ms_object_type = 'OBJECT';
}
if (strlen($sql) > 0) {
$sql .= "\n";
}
$sql .= self::compile_sql_statement(strtoupper($node_permission->getName()), implode(', ', $operations), $ms_object_type, $object_name, mssql10::get_quoted_object_name(xml_parser::role_enum($db_doc, $roles[$j])), $with);
}
return $sql;
}
public function get_constraint_drop_sql($constraint)
{
if (!is_array($constraint)) {
throw new exception("constraint is not an array?");
}
if (strlen($constraint['table_name']) == 0) {
var_dump(array_keys($constraint));
throw new exception("table_name is blank");
}
$sql = "ALTER TABLE " . mssql10::get_quoted_schema_name($constraint['schema_name']) . '.' . mssql10::get_quoted_table_name($constraint['table_name']) . "\n\tDROP CONSTRAINT " . mssql10::get_quoted_object_name($constraint['name']) . ';';
return $sql;
}
