[FLINK-23589][flink-avro] Support microsecond precision for timestamp

[matriv]

What is the purpose of the change

Add support for microsecond precision for timestamp in Avro.

Brief change log

• Add support for microsecond precision for timestamp in AvroRowDataDeserializationSchema.
• Adjust tests to use different digits for hours:mins:seconds
• Adjust tests to use complete timestamp and time when testing micros

Verifying this change

This change added tests and can be verified as follows:

• AvroRowDataDeSerializationSchemaTest#testSpecificType
• Adjusted all other tests to use full data/time when testing timestamp/time with micros

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? no
• If yes, how is the feature documented? not applicable

[matriv]

Microseconds are not currently supported for TIME, opened: https://issues.apache.org/jira/browse/FLINK-27331 to track this as it's blocked by https://issues.apache.org/jira/browse/FLINK-17224

[flinkbot]

CI report:

• 6356a39386fe80008e3518031bfa2f402bd41dfb Azure: SUCCESS

Bot commands

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

[stevenzwu]

@matriv is this PR blocked by https://issues.apache.org/jira/browse/FLINK-17224 and https://issues.apache.org/jira/browse/FLINK-27331? Without them, will the converters btw Flink RowData and Avro GenericRecord work with the microsecond precision after this fix?

[liuml07]

I think this PR is not blocked by FLINK-27331 or FLINK-17224, though FLINK-17224 blocks FLINK-27331. This PR is for TIMESTAMP data type and the two other JIRAs are for TIME.

[asantoz]

Hey @matriv Any idea why this is blocked so long? :) I really need this TIMESTAMP type precision fix on AvroToRowDataConverters, can I help with something to unblock?

[matriv]

Hey @matriv Any idea why this is blocked so long? :) I really need this TIMESTAMP type precision fix on AvroToRowDataConverters, can I help with something to unblock?

Not really, it was never reviewed :(

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