[Feature Request]: Add support for Iceberg table identifiers with special characters

[regadas]

What would you like to happen?

Currently, the IcebergIO internally uses TableIdentifier#parse and TableIdentifier#toString to encode/decode TableIdentifier. However, parse is using dot as a splitter not allowing cases where table names have dots i.e. default.table.id.

There are several approaches we can take here:

1. support escaping using ", or ' or even i.edefault."table.id"`
2. use Iceberg json representation https://github.com/apache/iceberg/blob/36140b819c60743b39176e28a63ab588df445329/core/src/main/java/org/apache/iceberg/catalog/TableIdentifierParser.java#L37-L40

I have a draft proposal using 2. #33293

Issue Priority

Priority: 2 (default / most feature requests should be filed as P2)

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