Workaround to return non-string values, according to the specified DataType.

Summary

Workaround to return non-string values, according to the specified DataType.

Focus

The code has many if-then instructions, which makes it complicated to read. The most important question is: Have I gotten them all correctly?

Test Environment

• ./bin/cxxcaosdbcli -> should return a valid Double for the price.

Check List for the Author

Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related Issues https://gitlab.indiscale.com/caosdb/customers/lfpb/management/-/issues/397
• Up-to-date CHANGELOG.md
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.