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https://issues.apache.org/jira/browse/DRILL-6717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16596140#comment-16596140
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ASF GitHub Bot commented on DRILL-6717:
---------------------------------------
arina-ielchiieva commented on a change in pull request #1450: DRILL-6717: lower
and upper functions not works with national characters
URL: https://github.com/apache/drill/pull/1450#discussion_r213611869
##########
File path:
exec/java-exec/src/test/java/org/apache/drill/exec/expr/fn/impl/TestStringFunctions.java
##########
@@ -1441,11 +1442,12 @@ public void testUpper() throws Exception {
"upper('AbC aBc') as col_space,\n" +
"upper('123ABC$!abc123.') as col_special,\n" +
"upper('') as col_empty,\n" +
- "upper(cast(null as varchar(10))) as col_null\n" +
+ "upper(cast(null as varchar(10))) as col_null,\n" +
+ "upper('привет, мир!') as col_national\n" +
Review comment:
@oleg-zinovev there is an ignored unit test two tests below
(https://github.com/apache/drill/pull/1450/files#diff-01e4581e7fc41d7bc289363e5d7ab661L1471),
just enable it and it should cover the use cases. Also please check if
`initcap` function is also covered
(https://issues.apache.org/jira/browse/DRILL-5477)
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> lower and upper functions not works with national charactes
> -----------------------------------------------------------
>
> Key: DRILL-6717
> URL: https://issues.apache.org/jira/browse/DRILL-6717
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.14.0, 1.15.0
> Reporter: Oleg Zinoviev
> Assignee: Oleg Zinoviev
> Priority: Major
> Attachments: result.csv, sample.json
>
>
> upper() and lower() functions works only with a ascii characters.
> sample dataset: [^sample.json]
> query:
> {code:sql}
> select
> upper(ascii_l) as upper_ascii,
> upper(national_l) as upper_national,
> lower(ascii_u) as lower_ascii,
> lower(national_u) as lower_national
> from dfs.`sample.json`
> {code}
> drill response: [^result.csv]
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