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ASF GitHub Bot commented on TINKERPOP-2972: ------------------------------------------- xiazcy merged PR #2217: URL: https://github.com/apache/tinkerpop/pull/2217 > ProjectStep will produce an unexpected output when dealing with duplicate keys > ------------------------------------------------------------------------------ > > Key: TINKERPOP-2972 > URL: https://issues.apache.org/jira/browse/TINKERPOP-2972 > Project: TinkerPop > Issue Type: Improvement > Components: process > Affects Versions: 3.6.4 > Reporter: Jianzhong Liu > Priority: Major > > g.V().project("a", "b", "b").by("lang").by(T.id).by("age") > TP: > 1 \{'b': 29} > 2 \{'b': 27} > 3 \{'a': 'java', 'b': '3'} > 4 \{'b': 32} > 5 \{'a': 'java', 'b': '5'} > 6 \{'b': 35} > TinkerPop erroneously generates an output from the final 'productive' > by-traversal when a key is used more than once, a situation that should not > occur. A proposed solution is to throw an exception when a redundant key is > detected. -- This message was sent by Atlassian Jira (v8.20.10#820010)