presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/MetadataDao.java/MetadataDao/listViews
class MetadataDao:    @SqlQuery("SELECT schema_name, table_name, data\n" +
            "FROM views\n" +
            "WHERE (schema_name = :schemaName OR :schemaName IS NULL)")
    @Mapper(SchemaTableNameMapper.class)
    List<SchemaTableName> listViews(
            @Bind("schemaName") String schemaName);