Stephen Mallette created TINKERPOP-3235:
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Summary: mergeE argument validation for onCreate overrides
Key: TINKERPOP-3235
URL: https://issues.apache.org/jira/browse/TINKERPOP-3235
Project: TinkerPop
Issue Type: Bug
Components: process, test-suite
Affects Versions: 3.8.0
Reporter: Stephen Mallette
Assignee: Stephen Mallette
These 2 tests should expose a problem with the {{mergeE}} implementation:
{code:java}
g_mergeEXlabel_knows_out_vadasX_optionXonCreate_created_YX_optionXonMatch_created_NX_exists_updated
g_mergeEXout_vadasX_optionXonCreate_created_YX_optionXonMatch_created_NX_exists_updated
{code}
because their {{onCreate}} has a {{Map}} key that overrides a key provided in
the search {{{}Map{}}}. The Gremlin should fail with validation with something
like "option(onCreate) cannot override values from merge() argument: (OUT,
6ece7191-115b-a424-c4ab-0730253db761)"
It's passing because we're shortcutting to {{onMatch}} without executing the
validation. it seems possible that folks could be exploiting this bug as a
feature. Upgrade Docs should be clear that this change is in play.
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