Timo Walther created FLINK-11439:
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Summary: INSERT INTO flink_sql SELECT * FROM blink_sql
Key: FLINK-11439
URL: https://issues.apache.org/jira/browse/FLINK-11439
Project: Flink
Issue Type: New Feature
Components: Table API & SQL
Reporter: Timo Walther
Stephan already announced on the [mailing
list|https://lists.apache.org/thread.html/2f7330e85d702a53b4a2b361149930b50f2e89d8e8a572f8ee2a0e6d@%3Cdev.flink.apache.org%3E],
the Flink community will receive a big code contribution from Alibaba. The
{{flink-table}} module is one of the biggest parts that will receive many new
features and major architectural improvements. Instead of waiting until the
next major version of Flink or introducing big API-breaking changes, we would
like to gradually build up the Blink-based planner and runtime while keeping
the Table & SQL API mostly stable. Users will be able to play around with the
current merge status of the new planner or fall back to the old planner until
the new one is stable.
A more detailed description can be found in FLIP-32.
In a nutshell:
- Split the {{flink-table}} module similar to the proposal of
[FLIP-28|https://cwiki.apache.org/confluence/display/FLINK/FLIP-28%3A+Long-term+goal+of+making+flink-table+Scala-free]
which is outdated. This is a preparation to separate API from core (targeted
for Flink 1.8).
- Perform minor API changes to separate API from actual implementation
(targeted for Flink 1.8).
- Merge a MVP Blink SQL planner given that necessary Flink core/runtime changes
have been completed.
The merging will happen in stages (e.g. basic planner framework, then
operator by operator). The exact merging plan still needs to be determined.
- Rework the type system in order to unblock work on unified table
environments, UDFs, sources/sinks, and catalog.
- Enable full end-to-end batch and stream execution features.
Our mid-term goal:
Run full TPC-DS on a unified batch/streaming runtime. Initially, we will only
support ingesting data coming from the DataStream API. Once we reworked the
sources/sink interfaces, we will target full end-to-end TPC-DS query execution
with table connectors.
This issue is an umbrella issue for tracking the Blink SQL merge efforts.
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