Version 1.9
SELECT * FROM GTree (
ON vertices_table AS Vertices PARTITION BY vertex_key_column [,...]
ON edges_table AS Edges PARTITION BY source_vertex_key_column [,...]
ON { table | view | (query) } AS Root PARTITION BY root_key_column
USING
TargetKey ({ 'edges_column' | edges_column_range }[,...])
[ AllowCycles ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
[ MaxDepth (max_depth) ]
[ OutputType ({ 'all' | 'end' }) ]
{ Results ('func(expr) [ AS alias]' [,...]) ] | EdgeResults ('func(expr) [ AS alias]' [,...])) }
[ FinalEdgeFlag ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'})]
) AS alias;