Release proposal: Nightly v0.9

[BohuTANG]

Summary

Release name: v0.9-nightly, get on the train now ✋
Let's make the Databend more Lakehouse!

Checklist

Stable checklist

• Query(Cache): Cache: Query result cache #4521
• Query(JSON): Feature: Tracking issue for JSON optimization #6994
• Query(ARRAY): Feature: support Array functions #7931
• Query(COPY): feat: add PURGE option to COPY command #7443
• Query: Feature: Copy unload table support multi dest files #7618
• Data Sharing: Feature: tracing issue of share SQL support #6973
• Executor(Processor): Add processor level profiling #4238
• Executor(COPY): allow executing COPY INTO in a cluster #6395
• Storage(Table): Add alter table  #3461
• Storage(External): feat: external location for fuse engine  #7297
• Storage: feat: return index size #7396
• Storage: Improvement: abandon internal patches of parquet2  #6064
• Storage: fix: re-enable (xor) bloom filter index #7870
• Meta: Stream COPY from a directory #6338

Experimental checklist

• Query(AZBLOB): Add azblob intergration test using azurite #5314
• Query(SQL): [SQL] Support Common Table Expressions #514
• Query(SQL): feat(planner): support union/union all  #7160
• Query(SQL): feat(planner): support explain syntax #7124
• Query(SQL): feat: query data from S3 location or stage #7211
• Query(Copy): Support COPY INTO ... (SELECT fields FROM @stage) #7228
• Query(Copy): feat: ndjson can't support compress feature #7173
• Query(Function): Tabular SQL UDFs (UDTFs) #5731
• Query(Format): feat(query): unify pipeline for all inputs with format. #7613
• Planner(SQL): feat(planner): support settings set sql_dialect #7175
• Planner: Allow query with optimizer disabled #7224
• Planner: feat: add statistics back to new planner explain #7350
• Planner(Cost): feat(planner): Implement cost-based optimization #7187
• Executor(Quota): feat(processor): support max execute time settings #7374
• Executor(Quota): feature(base): supports memory usage limits. #7290
• Executor: feat(cluster): experimental distributed eval index #7867
• Storage(Update): feat: Update #7349
• Storage(cluster): feat(planner): support explain syntax #7124
• Storage: Feature: Add Google Cloud Storage backend support for databend #7023
• Storage: Zero-copy converting for a location with many parquet files to fuse engine table #7381
• Storage: Feature: Add stats about clustering status #7387
• Storage: Add function to infer schema from files(CSV/Parquet) #6345
• Storage: feat: get all parquet file list for fuse engine #7591
• Storage: Prune columns in Fuse Engine. #7604
• Storage: feat: TTL for fuse table #7828

Testing checklist

Archive releases

• Release proposal: Nightly v0.8 #4591
• Release proposal: Nightly v0.7 #3428
• Release proposal: Nightly v0.6 #2525
• Release proposal: Nightly v0.5 #2257

Reference

What are Databend release channels?
Nightly v0.9 is part of our Roadmap 2022
Community website: https://databend.rs

[BohuTANG]

This issue can be closed. Some unfinished tasks will be completed in the next release or adjusted in the schedule.
What's Fresh in Databend v0.9