Aleksey Plekhanov created IGNITE-16414:
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Summary: Calcite engine. Sorted index spool produces wrong
collation
Key: IGNITE-16414
URL: https://issues.apache.org/jira/browse/IGNITE-16414
Project: Ignite
Issue Type: Bug
Reporter: Aleksey Plekhanov
Assignee: Aleksey Plekhanov
The sorted index spool does not take into account input collation directions
and null ordering. When generating collation based on conditions, default
direction and null ordering are used. This leads to wrong planning in case of
not default null ordering (additional sort node inserted even if we iterating
by index with required collation) and wrong index conditions usage in case of
descending direction (upper and lower bound are inverted for DESC direction).
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