Maksim Timonin created IGNITE-14303:
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Summary: H2Cursor doesn't match to contract of the GridCursor.
Key: IGNITE-14303
URL: https://issues.apache.org/jira/browse/IGNITE-14303
Project: Ignite
Issue Type: Bug
Reporter: Maksim Timonin
Assignee: Maksim Timonin
Queries like "select max(col) from table" relies on behavior of H2Cursor that
differs to GridCursor:
# It is not "first before". So H2 invoke cursor.get() first, without
cursor.next().
# Then for empty cursor it doesn't expect exception for get. It checks the
return value for NULL.
Currently we can't do smth with that as this logic is implemented within H2.
But Calcite should handle that.
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