Hi,

> Maybe we should have two patches as we seem to be improving two things:
> 
> 1. Patch to fix problems with default partition pruning originally reported 
> by Hosoya-san
> 
> 2. Patch to determine if a given clause contradicts a sub-partitioned table's 
> partition constraint,
> fixing problems unearthed by Thibaut's tests

I attached the latest patches according to Amit comment.
v3_default_partition_pruning.patch fixes default partition pruning problems
and ignore_contradictory_where_clauses_at_partprune_step.patch fixes
sub-partition problems Thibaut tested.

Best regards,
Yuzuko Hosoya

Attachment: ignore_contradictory_where_clauses_at_partprune_step.patch
Description: Binary data

Attachment: v3_default_partition_pruning.patch
Description: Binary data

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