f62d764649
Reviewers: buda, teon.banek Reviewed By: buda Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D1551
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from neo4j.v1 import GraphDatabase, basic_auth
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from neo4j.exceptions import ClientError, TransientError
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def tx_error(tx, name, name2):
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a = tx.run("CREATE (a:Person {name: $name}) RETURN a", name=name).data()
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print(a[0]['a'])
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tx.run("CREATE (").consume()
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a = tx.run("CREATE (a:Person {name: $name}) RETURN a", name=name2).data()
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print(a[0]['a'])
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def tx_good(tx, name, name2):
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a = tx.run("CREATE (a:Person {name: $name}) RETURN a", name=name).data()
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print(a[0]['a'])
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a = tx.run("CREATE (a:Person {name: $name}) RETURN a", name=name2).data()
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print(a[0]['a'])
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def tx_too_long(tx):
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tx.run("MATCH (a), (b), (c), (d), (e), (f) RETURN COUNT(*) AS cnt")
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with GraphDatabase.driver("bolt://localhost:7687", auth=basic_auth("", ""),
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encrypted=False) as driver:
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def add_person(f, name, name2):
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with driver.session() as session:
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session.write_transaction(f, name, name2)
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# Wrong query.
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try:
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add_person(tx_error, "mirko", "slavko")
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except ClientError:
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pass
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# Correct query.
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add_person(tx_good, "mirka", "slavka")
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# Setup for next query.
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with driver.session() as session:
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session.run("UNWIND range(1, 100000) AS x CREATE ()")
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# Query that will run for a very long time, transient error expected.
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timed_out = False
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try:
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with driver.session() as session:
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session.run("MATCH (a), (b), (c), (d), (e), (f) RETURN COUNT(*) AS cnt")
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except TransientError:
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timed_out = True
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if timed_out:
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print("The query timed out as was expected.")
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else:
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raise Exception("The query should have timed out, but it didn't!")
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print("All ok!")
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