Kelvin Lawrence created TINKERPOP-2957:
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Summary: mergeV with sideEffect not correctly updating properties
Key: TINKERPOP-2957
URL: https://issues.apache.org/jira/browse/TINKERPOP-2957
Project: TinkerPop
Issue Type: Bug
Components: process
Affects Versions: 3.6.4
Reporter: Kelvin Lawrence
A Gremlin user let me know about the following issue. If the query below is run
twice, the name parameter on the 4567 vertex does not get updated. The name on
the 1234 vertex does get updated. The query is written this way as not all
databases support single cardinality as the default. The issue has been
reproduced using both TinkerGraph and Amazon Neptune.
g.mergeV([(T.id): 'test-test-1234']).
option(onCreate, [(T.label): 'someLabel', 'name': 'name1']).
option(onMatch, sideEffect(property(single,"name","name2")).constant([:])).
mergeV([(T.id): 'test-test-4567']).
option(onCreate, [(T.label): 'someLabel', 'name': 'name1']).
option(onMatch, sideEffect(property(single,"name","name2")).constant([:]))
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