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https://issues.apache.org/jira/browse/DERBY-2599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mamta A. Satoor updated DERBY-2599:
-----------------------------------
Attachment: DERBY2599_Set_collation_for_aggregates_v1_stat.txt
DERBY2599_Set_collation_for_Max_Min_v1_diff.txt
Commited attached patch using revision 540237. The commit comments are as
follows
Commiting patch DERBY2599_Set_collation_for_aggregates_v1_diff.txt attached to
DERBY-2599. This patch sets correct collation type for MAX and MIN aggregate
functions. These 2 aggregate functions can return string datatype and this
return datatype should take it's collation from it's operand. It appears that
these 2 functions can't be used in where clause but even then, I think they
should have correct collation set on them.
> 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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