Vladimir Ozerov created IGNITE-4171:
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Summary: DML: Print warning when no identity is set for type.
Key: IGNITE-4171
URL: https://issues.apache.org/jira/browse/IGNITE-4171
Project: Ignite
Issue Type: Sub-task
Components: SQL
Affects Versions: 1.7
Reporter: Vladimir Ozerov
Assignee: Alexander Paschenko
Priority: Minor
Fix For: 1.8
When no identity for type is set, we should do the following:
1) Pick array-based identity instance and use it for hash code generation
2) Print a warning, once per type, that array-based identity was used
automatically, and resulting hash code unlikely to match hash function of a
real type.
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