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|
LOAD 'age';
SET search_path TO ag_catalog;
--
-- delete_specific_GRAPH_global_contexts
--
--
SELECT * FROM create_graph('ag_graph_1');
NOTICE: graph "ag_graph_1" has been created
create_graph
--------------
(1 row)
SELECT * FROM cypher('ag_graph_1', $$ CREATE (v:vertex1) RETURN v $$) AS (v agtype);
v
-----------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex1", "properties": {}}::vertex
(1 row)
SELECT * FROM create_graph('ag_graph_2');
NOTICE: graph "ag_graph_2" has been created
create_graph
--------------
(1 row)
SELECT * FROM cypher('ag_graph_2', $$ CREATE (v:vertex2) RETURN v $$) AS (v agtype);
v
-----------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex2", "properties": {}}::vertex
(1 row)
SELECT * FROM create_graph('ag_graph_3');
NOTICE: graph "ag_graph_3" has been created
create_graph
--------------
(1 row)
SELECT * FROM cypher('ag_graph_3', $$ CREATE (v:vertex3) RETURN v $$) AS (v agtype);
v
-----------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex3", "properties": {}}::vertex
(1 row)
-- load contexts using the vertex_stats command
SELECT * FROM cypher('ag_graph_3', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex3", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(1 row)
SELECT * FROM cypher('ag_graph_2', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex2", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(1 row)
SELECT * FROM cypher('ag_graph_1', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex1", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(1 row)
--- loading undefined contexts
--- should throw exception - graph "ag_graph_4" does not exist
SELECT * FROM cypher('ag_graph_4', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
ERROR: graph "ag_graph_4" does not exist
LINE 1: SELECT * FROM cypher('ag_graph_4', $$ MATCH (u) RETURN verte...
^
--- delete with invalid parameter
---should return false
SELECT * FROM cypher('ag_graph_2', $$ RETURN delete_global_graphs('E1337') $$) AS (result agtype);
result
--------
false
(1 row)
-- delete ag_graph_2's context
-- should return true
SELECT * FROM cypher('ag_graph_2', $$ RETURN delete_global_graphs('ag_graph_2') $$) AS (result agtype);
result
--------
true
(1 row)
-- delete ag_graph_1's context
-- should return true(succeed) because the previous command should not delete the 1st graph's context
SELECT * FROM cypher('ag_graph_1', $$ RETURN delete_global_graphs('ag_graph_1') $$) AS (result agtype);
result
--------
true
(1 row)
-- delete ag_graph_3's context
-- should return true(succeed) because the previous commands should not delete the 3rd graph's context
SELECT * FROM cypher('ag_graph_3', $$ RETURN delete_global_graphs('ag_graph_3') $$) AS (result agtype);
result
--------
true
(1 row)
-- delete all graphs' context again
-- should return false (did not succeed) for all of them because they are already removed
SELECT * FROM cypher('ag_graph_2', $$ RETURN delete_global_graphs('ag_graph_2') $$) AS (result agtype);
result
--------
false
(1 row)
SELECT * FROM cypher('ag_graph_1', $$ RETURN delete_global_graphs('ag_graph_1') $$) AS (result agtype);
result
--------
false
(1 row)
SELECT * FROM cypher('ag_graph_3', $$ RETURN delete_global_graphs('ag_graph_3') $$) AS (result agtype);
result
--------
false
(1 row)
--- delete uninitialized graph context
--- should throw exception graph "ag_graph_4" does not exist
SELECT * FROM cypher('ag_graph_4', $$ RETURN delete_global_graphs('ag_graph_4') $$) AS (result agtype);
ERROR: graph "ag_graph_4" does not exist
LINE 1: SELECT * FROM cypher('ag_graph_4', $$ RETURN delete_global_g...
^
--
-- delete_GRAPH_global_contexts
--
-- load contexts again
SELECT * FROM cypher('ag_graph_3', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex3", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(1 row)
SELECT * FROM cypher('ag_graph_2', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex2", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(1 row)
SELECT * FROM cypher('ag_graph_1', $$ MATCH (u) RETURN vertex_stats(u) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex1", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(1 row)
-- delete all graph contexts
-- should return true
SELECT * FROM cypher('ag_graph_1', $$ RETURN delete_global_graphs(NULL) $$) AS (result agtype);
result
--------
true
(1 row)
-- delete all graphs' context individually
-- should return false for all of them because already removed
SELECT * FROM cypher('ag_graph_1', $$ RETURN delete_global_graphs('ag_graph_1') $$) AS (result agtype);
result
--------
false
(1 row)
SELECT * FROM cypher('ag_graph_2', $$ RETURN delete_global_graphs('ag_graph_2') $$) AS (result agtype);
result
--------
false
(1 row)
SELECT * FROM cypher('ag_graph_3', $$ RETURN delete_global_graphs('ag_graph_3') $$) AS (result agtype);
result
--------
false
(1 row)
--
-- age_vertex_stats
--
--checking validity of vertex_stats
--adding unlabelled vertices to ag_graph_1
SELECT * FROM cypher('ag_graph_1', $$ CREATE (n), (m) $$) as (v agtype);
v
---
(0 rows)
--adding labelled vertice to graph 2
SELECT * FROM cypher('ag_graph_2', $$ CREATE (:Person) $$) as (v agtype);
v
---
(0 rows)
---adding edges between nodes
SELECT * FROM cypher('ag_graph_2', $$ MATCH (a:Person), (b:Person) WHERE a.name = 'A' AND b.name = 'B' CREATE (a)-[e:RELTYPE]->(b) RETURN e $$) as (e agtype);
e
---
(0 rows)
--checking if vertex stats have been updated along with the new label
--should return 3 vertices
SELECT * FROM cypher('ag_graph_1', $$ MATCH (n) RETURN vertex_stats(n) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 281474976710657, "label": "", "in_degree": 0, "out_degree": 0, "self_loops": 0}
{"id": 281474976710658, "label": "", "in_degree": 0, "out_degree": 0, "self_loops": 0}
{"id": 844424930131969, "label": "vertex1", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(3 rows)
--should return 1 vertice and 1 label
SELECT * FROM cypher('ag_graph_2', $$ MATCH (a) RETURN vertex_stats(a) $$) AS (result agtype);
result
-----------------------------------------------------------------------------------------------
{"id": 844424930131969, "label": "vertex2", "in_degree": 0, "out_degree": 0, "self_loops": 0}
{"id": 1125899906842625, "label": "Person", "in_degree": 0, "out_degree": 0, "self_loops": 0}
(2 rows)
--
-- graph_stats command
--
-- what's in the current graphs?
SELECT * FROM cypher('ag_graph_1', $$ RETURN graph_stats('ag_graph_1') $$) AS (result agtype);
result
--------------------------------------------------------------------------
{"graph": "ag_graph_1", "num_loaded_edges": 0, "num_loaded_vertices": 3}
(1 row)
SELECT * FROM cypher('ag_graph_1', $$ RETURN graph_stats('ag_graph_2') $$) AS (result agtype);
result
--------------------------------------------------------------------------
{"graph": "ag_graph_2", "num_loaded_edges": 0, "num_loaded_vertices": 2}
(1 row)
SELECT * FROM cypher('ag_graph_1', $$ RETURN graph_stats('ag_graph_3') $$) AS (result agtype);
result
--------------------------------------------------------------------------
{"graph": "ag_graph_3", "num_loaded_edges": 0, "num_loaded_vertices": 1}
(1 row)
-- add some edges
SELECT * FROM cypher('ag_graph_1', $$ CREATE ()-[:knows]->() $$) AS (results agtype);
results
---------
(0 rows)
SELECT * FROM cypher('ag_graph_1', $$ CREATE ()-[:knows]->() $$) AS (results agtype);
results
---------
(0 rows)
SELECT * FROM cypher('ag_graph_1', $$ CREATE ()-[:knows]->() $$) AS (results agtype);
results
---------
(0 rows)
SELECT * FROM cypher('ag_graph_1', $$ CREATE ()-[:knows]->() $$) AS (results agtype);
results
---------
(0 rows)
-- what is there now?
SELECT * FROM cypher('ag_graph_1', $$ RETURN graph_stats('ag_graph_1') $$) AS (result agtype);
result
---------------------------------------------------------------------------
{"graph": "ag_graph_1", "num_loaded_edges": 4, "num_loaded_vertices": 11}
(1 row)
-- add some more
SELECT * FROM cypher('ag_graph_1', $$ MATCH (u)-[]->(v) SET u.id = id(u)
SET v.id = id(v)
SET u.name = 'u'
SET v.name = 'v'
RETURN u,v $$) AS (u agtype, v agtype);
u | v
--------------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------
{"id": 281474976710659, "label": "", "properties": {"id": 281474976710659, "name": "u"}}::vertex | {"id": 281474976710660, "label": "", "properties": {"id": 281474976710660, "name": "v"}}::vertex
{"id": 281474976710661, "label": "", "properties": {"id": 281474976710661, "name": "u"}}::vertex | {"id": 281474976710662, "label": "", "properties": {"id": 281474976710662, "name": "v"}}::vertex
{"id": 281474976710663, "label": "", "properties": {"id": 281474976710663, "name": "u"}}::vertex | {"id": 281474976710664, "label": "", "properties": {"id": 281474976710664, "name": "v"}}::vertex
{"id": 281474976710665, "label": "", "properties": {"id": 281474976710665, "name": "u"}}::vertex | {"id": 281474976710666, "label": "", "properties": {"id": 281474976710666, "name": "v"}}::vertex
(4 rows)
SELECT * FROM cypher('ag_graph_1', $$ MATCH (u)-[]->(v) MERGE (v)-[:stalks]->(u) $$) AS (result agtype);
result
--------
(0 rows)
SELECT * FROM cypher('ag_graph_1', $$ MATCH (u)-[e]->(v) RETURN u, e, v $$) AS (u agtype, e agtype, v agtype);
u | e | v
--------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------
{"id": 281474976710660, "label": "", "properties": {"id": 281474976710660, "name": "v"}}::vertex | {"id": 1407374883553281, "label": "stalks", "end_id": 281474976710659, "start_id": 281474976710660, "properties": {}}::edge | {"id": 281474976710659, "label": "", "properties": {"id": 281474976710659, "name": "u"}}::vertex
{"id": 281474976710659, "label": "", "properties": {"id": 281474976710659, "name": "u"}}::vertex | {"id": 1125899906842625, "label": "knows", "end_id": 281474976710660, "start_id": 281474976710659, "properties": {}}::edge | {"id": 281474976710660, "label": "", "properties": {"id": 281474976710660, "name": "v"}}::vertex
{"id": 281474976710662, "label": "", "properties": {"id": 281474976710662, "name": "v"}}::vertex | {"id": 1407374883553282, "label": "stalks", "end_id": 281474976710661, "start_id": 281474976710662, "properties": {}}::edge | {"id": 281474976710661, "label": "", "properties": {"id": 281474976710661, "name": "u"}}::vertex
{"id": 281474976710661, "label": "", "properties": {"id": 281474976710661, "name": "u"}}::vertex | {"id": 1125899906842626, "label": "knows", "end_id": 281474976710662, "start_id": 281474976710661, "properties": {}}::edge | {"id": 281474976710662, "label": "", "properties": {"id": 281474976710662, "name": "v"}}::vertex
{"id": 281474976710664, "label": "", "properties": {"id": 281474976710664, "name": "v"}}::vertex | {"id": 1407374883553283, "label": "stalks", "end_id": 281474976710663, "start_id": 281474976710664, "properties": {}}::edge | {"id": 281474976710663, "label": "", "properties": {"id": 281474976710663, "name": "u"}}::vertex
{"id": 281474976710663, "label": "", "properties": {"id": 281474976710663, "name": "u"}}::vertex | {"id": 1125899906842627, "label": "knows", "end_id": 281474976710664, "start_id": 281474976710663, "properties": {}}::edge | {"id": 281474976710664, "label": "", "properties": {"id": 281474976710664, "name": "v"}}::vertex
{"id": 281474976710666, "label": "", "properties": {"id": 281474976710666, "name": "v"}}::vertex | {"id": 1407374883553284, "label": "stalks", "end_id": 281474976710665, "start_id": 281474976710666, "properties": {}}::edge | {"id": 281474976710665, "label": "", "properties": {"id": 281474976710665, "name": "u"}}::vertex
{"id": 281474976710665, "label": "", "properties": {"id": 281474976710665, "name": "u"}}::vertex | {"id": 1125899906842628, "label": "knows", "end_id": 281474976710666, "start_id": 281474976710665, "properties": {}}::edge | {"id": 281474976710666, "label": "", "properties": {"id": 281474976710666, "name": "v"}}::vertex
(8 rows)
-- what is there now?
SELECT * FROM cypher('ag_graph_1', $$ RETURN graph_stats('ag_graph_1') $$) AS (result agtype);
result
---------------------------------------------------------------------------
{"graph": "ag_graph_1", "num_loaded_edges": 8, "num_loaded_vertices": 11}
(1 row)
-- remove some vertices
SELECT * FROM ag_graph_1._ag_label_vertex;
id | properties
-----------------+--------------------------------------
281474976710657 | {}
281474976710658 | {}
281474976710659 | {"id": 281474976710659, "name": "u"}
281474976710660 | {"id": 281474976710660, "name": "v"}
281474976710661 | {"id": 281474976710661, "name": "u"}
281474976710662 | {"id": 281474976710662, "name": "v"}
281474976710663 | {"id": 281474976710663, "name": "u"}
281474976710664 | {"id": 281474976710664, "name": "v"}
281474976710665 | {"id": 281474976710665, "name": "u"}
281474976710666 | {"id": 281474976710666, "name": "v"}
844424930131969 | {}
(11 rows)
DELETE FROM ag_graph_1._ag_label_vertex WHERE id::text = '281474976710661';
DELETE FROM ag_graph_1._ag_label_vertex WHERE id::text = '281474976710662';
DELETE FROM ag_graph_1._ag_label_vertex WHERE id::text = '281474976710664';
SELECT * FROM ag_graph_1._ag_label_vertex;
id | properties
-----------------+--------------------------------------
281474976710657 | {}
281474976710658 | {}
281474976710659 | {"id": 281474976710659, "name": "u"}
281474976710660 | {"id": 281474976710660, "name": "v"}
281474976710663 | {"id": 281474976710663, "name": "u"}
281474976710665 | {"id": 281474976710665, "name": "u"}
281474976710666 | {"id": 281474976710666, "name": "v"}
844424930131969 | {}
(8 rows)
SELECT * FROM ag_graph_1._ag_label_edge;
id | start_id | end_id | properties
------------------+-----------------+-----------------+------------
1125899906842625 | 281474976710659 | 281474976710660 | {}
1125899906842626 | 281474976710661 | 281474976710662 | {}
1125899906842627 | 281474976710663 | 281474976710664 | {}
1125899906842628 | 281474976710665 | 281474976710666 | {}
1407374883553281 | 281474976710660 | 281474976710659 | {}
1407374883553282 | 281474976710662 | 281474976710661 | {}
1407374883553283 | 281474976710664 | 281474976710663 | {}
1407374883553284 | 281474976710666 | 281474976710665 | {}
(8 rows)
-- there should be warning messages
SELECT * FROM cypher('ag_graph_1', $$ RETURN graph_stats('ag_graph_1') $$) AS (result agtype);
WARNING: edge: [id: 1125899906842626, start: 281474976710661, end: 281474976710662, label: knows] start and end vertices not found
WARNING: ignored malformed or dangling edge
WARNING: edge: [id: 1125899906842627, start: 281474976710663, end: 281474976710664, label: knows] end vertex not found
WARNING: ignored malformed or dangling edge
WARNING: edge: [id: 1407374883553282, start: 281474976710662, end: 281474976710661, label: stalks] start and end vertices not found
WARNING: ignored malformed or dangling edge
WARNING: edge: [id: 1407374883553283, start: 281474976710664, end: 281474976710663, label: stalks] start vertex not found
WARNING: ignored malformed or dangling edge
result
--------------------------------------------------------------------------
{"graph": "ag_graph_1", "num_loaded_edges": 8, "num_loaded_vertices": 8}
(1 row)
--drop graphs
SELECT * FROM drop_graph('ag_graph_1', true);
NOTICE: drop cascades to 5 other objects
DETAIL: drop cascades to table ag_graph_1._ag_label_vertex
drop cascades to table ag_graph_1._ag_label_edge
drop cascades to table ag_graph_1.vertex1
drop cascades to table ag_graph_1.knows
drop cascades to table ag_graph_1.stalks
NOTICE: graph "ag_graph_1" has been dropped
drop_graph
------------
(1 row)
SELECT * FROM drop_graph('ag_graph_2', true);
NOTICE: drop cascades to 5 other objects
DETAIL: drop cascades to table ag_graph_2._ag_label_vertex
drop cascades to table ag_graph_2._ag_label_edge
drop cascades to table ag_graph_2.vertex2
drop cascades to table ag_graph_2."Person"
drop cascades to table ag_graph_2."RELTYPE"
NOTICE: graph "ag_graph_2" has been dropped
drop_graph
------------
(1 row)
SELECT * FROM drop_graph('ag_graph_3', true);
NOTICE: drop cascades to 3 other objects
DETAIL: drop cascades to table ag_graph_3._ag_label_vertex
drop cascades to table ag_graph_3._ag_label_edge
drop cascades to table ag_graph_3.vertex3
NOTICE: graph "ag_graph_3" has been dropped
drop_graph
------------
(1 row)
-----------------------------------------------------------------------------------------------------------------------------
--
-- End of tests
--
|
