/**
* Updates data in table definitions
*
* @param ofs output file segmenter
* @param $old_database original database
* @param $new_database new database
*/
private static function update_data($ofs, $delete_mode = false)
{
if (self::$new_table_dependency != null && count(self::$new_table_dependency) > 0) {
for ($i = 0; $i < count(self::$new_table_dependency); $i++) {
// go in reverse when in delete mode
if ($delete_mode) {
$item = self::$new_table_dependency[count(self::$new_table_dependency) - 1 - $i];
} else {
$item = self::$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 " . $new_schema['name']);
}
pgsql8::set_context_replica_set_id($new_schema);
// if the table was renamed, get old definition pointers for comparison
if (pgsql8_diff_tables::is_renamed_table($new_schema, $new_table)) {
dbsteward::info("NOTICE: " . $new_schema['name'] . "." . $new_table['name'] . " used to be called " . $new_table['oldTableName'] . " -- will diff data against that definition");
$old_schema = pgsql8_table::get_old_table_schema($new_schema, $new_table);
$old_table = pgsql8_table::get_old_table($new_schema, $new_table);
}
$ofs->write(pgsql8_diff_tables::get_data_sql($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 $new_schema) {
pgsql8::set_context_replica_set_id($new_schema);
$old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
pgsql8_diff_tables::diff_data($ofs, $old_schema, $new_schema);
}
}
}
public static function diff_constraints_table($ofs, $old_schema, $old_table, $new_schema, $new_table, $type, $drop_constraints = false)
{
pgsql8::set_context_replica_set_id($new_table);
if ($drop_constraints) {
// drop constraints that no longer exist or are modified
foreach (self::get_drop_constraints($old_schema, $old_table, $new_schema, $new_table, $type) as $constraint) {
$ofs->write(pgsql8_table::get_constraint_drop_sql($constraint) . "\n");
}
} else {
if (!dbsteward::$ignore_oldnames) {
// if it is a renamed table
if (pgsql8_diff_tables::is_renamed_table($new_schema, $new_table)) {
// remove all constraints and recreate with new table name conventions
foreach (pgsql8_constraint::get_table_constraints(dbsteward::$old_database, $old_schema, $old_table, $type) as $constraint) {
// rewrite the constraint definer to refer to the new table name
// so the constraint by the old name, but part of the new table
// will be referenced properly in the drop statement
$constraint['schema_name'] = $new_schema['name'];
$constraint['table_name'] = $new_table['name'];
$ofs->write(pgsql8_table::get_constraint_drop_sql($constraint) . "\n");
}
// add all still-define constraints back and any new ones to the table
foreach (pgsql8_constraint::get_table_constraints(dbsteward::$new_database, $new_schema, $new_table, $type) as $constraint) {
$ofs->write(pgsql8_table::get_constraint_sql($constraint) . "\n");
}
// this gets any new constraints as well.
// return so that get_new_costraint() doesnt duplicate any new constraints
return;
}
}
// add new constraints
foreach (self::get_new_constraints($old_schema, $old_table, $new_schema, $new_table, $type) as $constraint) {
$ofs->write(pgsql8_table::get_constraint_sql($constraint) . "\n");
}
}
}