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https://issues.apache.org/jira/browse/DERBY-2777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510619
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Mamta A. Satoor commented on DERBY-2777:
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Checked in comment changes for SUBSTR with revision 553788 for main and 553789
for 10.3.1.1 codeline. The commit comments are as follows
DERBY-2777
No changes required for SUBSTR because SUBSTR has only one character string
operand and hence if that character string
operand is a parameter, it's context for collation will be the current
compilation schema.
> Parameters should take their collation from the context in which they are
> getting used rather than the current compilation schema
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2777
> URL: https://issues.apache.org/jira/browse/DERBY-2777
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.3.0.0
> Reporter: Mamta A. Satoor
> Assignee: Mamta A. Satoor
> Fix For: 10.3.1.1, 10.4.0.0
>
>
> With revision 542646, changes were made so that parameters will take their
> collation from current compilation schema. But based on the following thread
> http://www.nabble.com/Collation-and-parameter-markers-(-)-tf3866040.html ,
> using the collation from the context would be the correct thing to do for the
> parameters.
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