Apache
/
druid
mirror of https://github.com/apache/druid.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

msq: update known issue about GROUPING SETS and COUNT DISTINCT (#13185) 

* msq: update known issue about GROUPING SETS and COUNT DISTINCT

* address feedback from Gian
This commit is contained in:
317brian 2022-10-05 19:47:03 -07:00 committed by GitHub
parent 41e51b21c3
commit 0edceead80
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/multi-stage-query/known-issues.md
View File

@ -42,6 +42,8 @@ an [UnknownError](./reference.md#error-codes) with a message including "No space
- GROUPING SETS and UNION ALL are not implemented. Queries using these features return a - GROUPING SETS and UNION ALL are not implemented. Queries using these features return a
[QueryNotSupported](reference.md#error-codes) error. [QueryNotSupported](reference.md#error-codes) error.
- For some COUNT DISTINCT queries, you'll encounter a [QueryNotSupported](reference.md#error-codes) error that includes `Must not have 'subtotalsSpec'` as one of its causes. This is caused by the planner attempting to use GROUPING SETs, which are not implemented.
- The numeric varieties of the EARLIEST and LATEST aggregators do not work properly. Attempting to use the numeric - The numeric varieties of the EARLIEST and LATEST aggregators do not work properly. Attempting to use the numeric
varieties of these aggregators lead to an error like varieties of these aggregators lead to an error like
`java.lang.ClassCastException: class java.lang.Double cannot be cast to class org.apache.druid.collections.SerializablePair`. `java.lang.ClassCastException: class java.lang.Double cannot be cast to class org.apache.druid.collections.SerializablePair`.