[FLINK-28459][table-planner] Supports non-atomic CREATE TABLE AS SELECT

[Tartarus0zm]

What is the purpose of the change

• Supports non-atomic CREATE TABLE AS SELECT

Brief change log

Modify the SqlCreateTableConverter and SqlToOperationConverter to support non-atomic CREATE TABLE AS SELECT

Verifying this change

add ITCase

• org.apache.flink.table.planner.runtime.batch.sql.TableSinkITCase#testCreateTableAsSelect
• org.apache.flink.table.planner.runtime.stream.sql.TableSinkITCase#testCreateTableAsSelect

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (no)
• The serializers: (no)
• The runtime per-record code paths (performance sensitive): (no)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no)
• The S3 file system connector: (no)

Documentation

• Does this pull request introduce a new feature? (yes)
• If yes, how is the feature documented? (not documented)

[flinkbot]

CI report:

• 0bc6d3c Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

• @flinkbot run azure re-run the last Azure build

[Tartarus0zm]

@flinkbot run azure

[lsyldliu]

@Tartarus0zm Thanks for your contribution, I left some comments.

[lsyldliu]

Please also explain why not can add ctas plan related test in comment.

[wuchong]

LGTM.