MaxGekk commented on a change in pull request #28646:
URL: https://github.com/apache/spark/pull/28646#discussion_r431038145
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeFormatterHelper.scala
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@@ -244,6 +250,12 @@ private object DateTimeFormatterHelper {
for (style <- unsupportedNarrowTextStyle if
patternPart.contains(style)) {
throw new IllegalArgumentException(s"Too many pattern letters:
${style.head}")
}
+ if (bugInStandAloneForm && (patternPart.contains("LLL") ||
patternPart.contains("qqq"))) {
Review comment:
ok. I have double checked the pattern 'qqq'. It has the same problem
JDK 11:
```sql
spark-sql> select to_csv(named_struct('date', date '1970-01-01'),
map('dateFormat', 'qqq', 'locale', 'RU'));
1-й кв.
spark-sql> select to_csv(named_struct('date', date '1970-01-01'),
map('dateFormat', 'qqq', 'locale', 'EN'));
Q1
```
JDK 8
```sql
spark-sql> select to_csv(named_struct('date', date '1970-01-01'),
map('dateFormat', 'qqq', 'locale', 'RU'));
1
spark-sql> select to_csv(named_struct('date', date '1970-01-01'),
map('dateFormat', 'qqq', 'locale', 'EN'));
1
```
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