Add Redshift dialect implementation

[jirufik]

Problem

The current implementation of kafka-connect-jdbc does not properly support Redshift. Adding multiple columns does not work. Redshift converts the TEXT type to VARCHAR(256) by default. For many data, this is a short length. Converts the date from Debezium to TEXT.

Solution

Creating a dialect for Redshift based on the modified PostgreSQL dialect.

Does this solution apply anywhere else?

• [x] yes
• [ ] no

If yes, where?

In the datamesh functionality of the EBAC organization https://ebaconline.com.br/

Test Strategy

Added several modules to check the Redshift language. Manual testing was carried out on the EBAC developer platform.

Testing done:

• [x] Unit tests
• [ ] Integration tests
• [ ] System tests
• [x] Manual tests

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[sagarrao12]

Thanks for the review @jirufik .. At this point we aren't looking at new dialects. @NathanNam , can you plz confirm if this something we want to add? Thanks!

[ptqa]

I think there is no point in submitting improvements for this. As you can see confluent is not interested. There is an apache fork maintained by another team that we all need to switch to.

See https://github.com/aiven/jdbc-connector-for-apache-kafka