[FLINK-23602][table-runtime] Fix comparison between Decimal and string literal

[paul8263]

…: Line 84, Column 78: No applicable constructor/method found for actual parameters org.apache.flink.table.data.DecimalData

What is the purpose of the change

Fixed No applicable constructor/method found for actual parameters "org.apache.flink.table.data.DecimalData, org.apache.flink.table.data.binary.BinaryStringData" when SQL needs implicit comparison between Decimal and string literal.

Brief change log

• flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/data/DecimalDataUtils.java

Verifying this change

This change added tests and can be verified as follows:

• testCompareToBinaryStringData method in flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/data/DecimalDataTest.java

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

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Last check on commit 7b305e3 (Sat Aug 28 13:09:23 UTC 2021)

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[JingsongLi]

@paul8263 Thanks for the contribution. I don't think you have solved the problem. You should add a case in DecimalTypeTest to test planner.