Frank Chen

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Thank you for pointing out this. When the #8255 was submitted, it forgot the change above. Could you open a PR to help us improve the doc?

![image](https://user-images.githubusercontent.com/6525742/194982091-169d3be2-f0c2-4720-9e70-2551b8d07a77.png) Looks like the aws java sdk is updated everyday, even we catch up with the latest release, the dependabot will recognize another upgrade in another day. Is there any...

The issue here I think is to make some improvement on the doc. You can pass necessary properties required by the SASL in the `consumerProperties` as above

> This PR uses an internal feature of JDBC to avoid timeouts by returning "empty batches" of rows when Druid takes too long to return the actual rows. I always...

> Just to be clear, this polling is a feature of the Avatica client. I get it, it's a mechanism provided by the client. No wonder I didn't see such...

I was thinking what's the proper tag to label this PR. We have a label `Apache Avatica`, but that seems more related to the Avatica client instead of our server...

> > For example, a task failed because there were no valid input records. Now, that can be caused by a bad timestamp spec, a badly configured filter, or because...

A builder pattern is friendly for developers. It's a nice API. ```java throw DruidException .userError() .error(DruidException.INVALID_SQL) .message(“The table ‘%s’ is not defined in schema ‘%s’.", tableName, schemaName) .context("location", "Line %d,...

I finally did it by chaining the initialization method call together ```java Implementation.Composable initializers = null; for (int i = 0; i < 5; i++) { String field = "field"...