/**
* Updates objects in schemas.
*
* @param $ofs output file segmenter
* @param $old_database original database
* @param $new_database new database
*/
private static function update_data($ofs, $delete_mode = FALSE)
{
if (mysql5_diff::$new_table_dependency != NULL && count(mysql5_diff::$new_table_dependency) > 0) {
for ($i = 0; $i < count(mysql5_diff::$new_table_dependency); $i++) {
// go in reverse when in delete mode
if ($delete_mode) {
$item = mysql5_diff::$new_table_dependency[count(mysql5_diff::$new_table_dependency) - 1 - $i];
} else {
$item = mysql5_diff::$new_table_dependency[$i];
}
if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
$old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']);
$old_table = NULL;
if ($old_schema != NULL) {
$old_table = dbx::get_table($old_schema, $item['table']['name']);
}
$new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']);
if ($new_schema == NULL) {
throw new exception("schema " . $item['schema']['name'] . " not found in new database");
}
$new_table = dbx::get_table($new_schema, $item['table']['name']);
if ($new_table == NULL) {
throw new exception("table " . $item['table']['name'] . " not found in new database schema " . $new_schema['name']);
}
$ofs->write(mysql5_diff_tables::get_data_sql($old_schema, $old_table, $new_schema, $new_table, $delete_mode));
}
} else {
// dependency order unknown, hit them in natural order
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
mysql5_diff_tables::diff_data($ofs, $old_schema, $new_schema);
}
}
}
private function common($xml_a, $xml_b, $expected, $message = NULL)
{
$schema_a = new SimpleXMLElement($xml_a);
$schema_b = new SimpleXMLElement($xml_b);
$ofs = new mock_output_file_segmenter();
mysql5_diff_types::apply_changes($ofs, $schema_a, $schema_b);
mysql5_diff_tables::diff_tables($ofs, $ofs, $schema_a, $schema_b);
$actual = trim($ofs->_get_output());
$this->assertEquals($expected, $actual, $message);
}
public static function apply_table_options_diff($ofs1, $ofs3, $schema, $table, $alter_options, $create_options, $drop_options)
{
$fq_name = mysql5::get_fully_qualified_table_name($schema['name'], $table['name']);
if (!empty($drop_options)) {
// if there are any that are dropped, the table must be recreated
// don't bother adding/changing the other options, since this will include them
$sql = "-- Table {$fq_name} must be recreated to drop options: " . implode(', ', array_keys($drop_options)) . "\n";
$sql .= mysql5_diff_tables::get_recreate_table_sql($schema, $table);
$ofs1->write($sql . "\n");
} else {
$alter_create = array_merge($alter_options, $create_options);
if (!empty($alter_create)) {
$sql = "ALTER TABLE {$fq_name} ";
$sql .= mysql5_table::get_table_options_sql($alter_create) . ";";
$ofs1->write($sql . "\n");
}
}
}
private function diff($xml_a, $xml_b, $expected1, $expected3, $message = '')
{
dbsteward::$old_database = new SimpleXMLElement($this->db_doc_xml . $xml_a . '</dbsteward>');
dbsteward::$new_database = new SimpleXMLElement($this->db_doc_xml . $xml_b . '</dbsteward>');
$ofs1 = new mock_output_file_segmenter();
$ofs3 = new mock_output_file_segmenter();
mysql5_diff_tables::diff_tables($ofs1, $ofs3, dbsteward::$old_database->schema, dbsteward::$new_database->schema);
$actual1 = trim($ofs1->_get_output());
$actual3 = trim($ofs3->_get_output());
$this->assertEquals($expected1, $actual1, "during stage 1: {$message}");
$this->assertEquals($expected3, $actual3, "during stage 3: {$message}");
}
public static function build_data($db_doc, $ofs, $tables)
{
// use the dependency order to then write out the actual data inserts into the data sql file
$limit_to_tables_count = count(dbsteward::$limit_to_tables);
foreach ($tables as $dep_table) {
$schema = $dep_table['schema'];
$table = $dep_table['table'];
if ($table['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
// don't do anything with this table, it is a magic internal DBSteward value
continue;
}
if ($limit_to_tables_count > 0) {
if (in_array($schema['name'], array_keys(dbsteward::$limit_to_tables))) {
if (in_array($table['name'], dbsteward::$limit_to_tables[(string) $schema['name']])) {
// table is to be included
} else {
continue;
}
} else {
continue;
}
}
$ofs->write(mysql5_diff_tables::get_data_sql(NULL, NULL, $schema, $table, FALSE));
$table_primary_keys = mysql5_table::primary_key_columns($table);
$table_column_names = dbx::to_array($table->column, 'name');
$node_rows =& dbx::get_table_rows($table);
// the <rows> element
$data_column_names = preg_split("/,|\\s/", $node_rows['columns'], -1, PREG_SPLIT_NO_EMPTY);
// set serial primary keys to the max value after inserts have been performed
// only if the PRIMARY KEY is not a multi column
if (count($table_primary_keys) == 1 && in_array($table_primary_keys[0], $data_column_names)) {
$pk_column_name = $table_primary_keys[0];
$node_pk_column = dbx::get_table_column($table, $pk_column_name);
if ($node_pk_column == NULL) {
throw new exception("Failed to find primary key column '" . $pk_column_name . "' for " . $schema['name'] . "." . $table['name']);
}
// only set the pkey to MAX() if the primary key column is also a serial/bigserial and if serialStart is not defined
if (mysql5_column::is_serial($node_pk_column['type']) && !isset($node_pk_column['serialStart'])) {
$fqtn = mysql5::get_fully_qualified_table_name($schema['name'], $table['name']);
$qcol = mysql5::get_quoted_column_name($pk_column_name);
$setval = mysql5_sequence::get_setval_call(mysql5_column::get_serial_sequence_name($schema, $table, $node_pk_column), "MAX({$qcol})", "TRUE");
$sql = "SELECT {$setval} FROM {$fqtn};\n";
$ofs->write($sql);
}
}
// unlike the pg class, we cannot just set identity column start values here with setval without inserting a row
// check if primary key is a column of this table - FS#17481
if (count(array_diff($table_primary_keys, $table_column_names)) != 0) {
throw new exception('Primary key ' . $table['primaryKey'] . ' does not exist as a column in table ' . $table['name']);
}
}
// include all of the unstaged sql elements
dbx::build_staged_sql($db_doc, $ofs, NULL);
$ofs->write("\n");
}
private function diff($old, $new, $expected1, $expected3, $message = '')
{
dbsteward::$old_database = new SimpleXMLElement($this->db_doc_xml . $old . '</dbsteward>');
dbsteward::$new_database = new SimpleXMLElement($this->db_doc_xml . $new . '</dbsteward>');
$ofs1 = new mock_output_file_segmenter();
$ofs3 = new mock_output_file_segmenter();
// same structure as mysql5_diff::update_structure
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', TRUE);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', TRUE);
mysql5_diff_tables::drop_tables($ofs3, $old_schema, $new_schema);
mysql5_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema);
// mysql5_diff_indexes::diff_indexes($ofs1, $old_schema, $new_schema);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', FALSE);
}
foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
mysql5_diff_constraints::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', FALSE);
}
$actual1 = trim($ofs1->_get_output());
$actual3 = trim($ofs3->_get_output());
$this->assertEquals($expected1, $actual1, "during stage 1: {$message}");
$this->assertEquals($expected3, $actual3, "during stage 3: {$message}");
}
private function common_drop($xml_a, $xml_b, $expected, $message = NULL)
{
dbsteward::$old_database = new SimpleXMLElement($this->db_doc_xml . $xml_a . '</dbsteward>');
dbsteward::$new_database = new SimpleXMLElement($this->db_doc_xml . $xml_b . '</dbsteward>');
$ofs = new mock_output_file_segmenter();
mysql5_diff_tables::drop_tables($ofs, dbsteward::$old_database->schema, dbsteward::$new_database->schema);
$actual = trim($ofs->_get_output());
$this->assertEquals($expected, $actual, $message);
}
private function common($old, $new, $expected)
{
$ofs = new mock_output_file_segmenter();
$old_schema = new SimpleXMLElement($old);
$old_table = $old_schema->table;
$new_schema = new SimpleXMLElement($new);
$new_table = $new_schema->table;
mysql5_diff_tables::update_table_options($ofs, $ofs, $old_schema, $old_table, $new_schema, $new_table);
$actual = trim($ofs->_get_output());
$this->assertEquals($expected, $actual);
}
