Winter Zhang

Support configuration connection timeout for flight

2

What's the client timeout number? _Originally posted by @BohuTANG in https://github.com/datafuselabs/databend/pull/7025#discussion_r944035079_

Support parallel upload object

1

For one data block, we can upload columns in parallel

**Summary** https://github.com/datafuselabs/databend/actions/runs/3110312707/jobs/5041369203#step:4:5764 CC: @youngsofun

**Summary** In ClickHouse, users can speed up the join query by create join engine: https://clickhouse.com/docs/en/engines/table-engines/special/join In firebolt, users can speed up the join query by creating a join index: https://docs.firebolt.io/using-indexes/index-quick-reference.html#join-indexes...

refactor(executor): tracking memory for plan level

1

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/ ## Summary refactor(executor): tracking memory for plan level - Fixes #[Link the issue here] ## Tests - [...

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/ ## Summary chore(executor): set plain_statistics to false for spill time profiling statistics - Fixes #[Link the issue here]...

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/ ## Summary refactor(query): support calc heap memory usage for data block - Fixes #[Link the issue here] ##...

**Summary** Support the following statements to enable and disable the rust backtrace ```SQL ENABLE EXCEPTION_BACKTRACE; DISABLE EXCEPTION_BACKTRACE; ```

Feature: support dynamic log level changes for the query level.

2

**Summary** ``` SET query_log_level = 'DEBUG'; -- Output >= DEBUG level log SET query_log_level = 'INFO'; -- Output >= INFO level log ```