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https://issues.apache.org/jira/browse/DERBY-2599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12497590
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Mamta A. Satoor commented on DERBY-2599:
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Army, thank you very much for reviewing my patches.
I am getting to the stage in this project where I need to make sure that I set
correct collation wherever we construct a DTD. So, I am very greatful for these
reviews. And I think you have definitely found a bug in the changes I made with
DERBY2599_Set_collation_for_aggregates_v1_diff.txt. The ? param should pickup
it's collation from schema. I will fix that soon.
> Set correct collation type and derivation on DataTypeDescriptor(DTD).
> ---------------------------------------------------------------------
>
> Key: DERBY-2599
> URL: https://issues.apache.org/jira/browse/DERBY-2599
> Project: Derby
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 10.3.0.0
> Reporter: Mamta A. Satoor
> Assigned To: Mamta A. Satoor
> Attachments: DERBY2599_collationType_default_UCS_BASIC_v1_diff.txt,
> DERBY2599_collationType_default_UCS_BASIC_v1_stat.txt,
> DERBY2599_correct_collation_for_cast_v1_diff.txt,
> DERBY2599_correct_collation_for_cast_v1_stat.txt,
> DERBY2599_IntermediatePatch_v1_diff.txt,
> DERBY2599_IntermediatePatch_v1_stat.txt,
> DERBY2599_Set_collation_for_aggregates_v1_diff.txt,
> DERBY2599_Set_collation_for_aggregates_v1_stat.txt,
> DERBY2599_Set_collation_for_aggregates_v1_stat.txt,
> DERBY2599_Set_collation_for_Max_Min_v1_diff.txt
>
>
> DTD has TypeDescriptorImpl in it which has 2 new fields, namely,
> collationType and collationDerivation. These 2 fields are available for all
> different types of DTDs but only apply to character types. The other
> datatypes should ignore these 2 fields.
> This Jira is a placeholder for loading the correct values into collationType
> and collationDerivation.
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