presto-main/src/main/java/io/prestosql/connector/informationschema/InformationSchemaPageSource.java/InformationSchemaPageSource/addSchemataRecords
class InformationSchemaPageSource:    private void addSchemataRecords()
    {
        for (String schema : listSchemas(session, metadata, accessControl, catalogName)) {
            addRecord(catalogName, schema);
            if (isLimitExhausted()) {
                return;
            }
        }
    }