presto-hive/src/main/java/io/prestosql/plugin/hive/HiveMetadata.java/HiveMetadata/listViews
class HiveMetadata:    @Override
    public List<SchemaTableName> listViews(ConnectorSession session, Optional<String> optionalSchemaName)
    {
        ImmutableList.Builder<SchemaTableName> tableNames = ImmutableList.builder();
        for (String schemaName : listSchemas(session, optionalSchemaName)) {
            for (String tableName : metastore.getAllViews(schemaName)) {
                tableNames.add(new SchemaTableName(schemaName, tableName));
            }
        }
        return tableNames.build();
    }