presto-thrift/src/main/java/io/prestosql/plugin/thrift/ThriftMetadata.java/ThriftMetadata/listTableColumns
class ThriftMetadata:    @Override
    public Map<SchemaTableName, List<ColumnMetadata>> listTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
    {
        return listTables(session, prefix.getSchema()).stream().collect(toImmutableMap(identity(), schemaTableName -> getRequiredTableMetadata(schemaTableName).getColumns()));
    }