alamb opened a new pull request, #7726: URL: https://github.com/apache/arrow-datafusion/pull/7726
## Which issue does this PR close? Follow on to https://github.com/apache/arrow-datafusion/pull/7720 ## Rationale for this change While reviewing https://github.com/apache/arrow-datafusion/pull/7720 from @mhilton I realized that the type coercion / signatures were not as well documented as well as they could be (e.g. the fact that DataFuson would coerce arguments for example, was somewhat implied). ## What changes are included in this PR? 1. Improve the `Signature` and `TypeSignature` documentation 2. Rename `TIMEZONE_PLACEHOLDER` to `TIMEZONE_WILDCARD` (added in https://github.com/apache/arrow-datafusion/pull/7720) to better represent what it means ## Are these changes tested? Yes, with a new doc example as well as existing tests ## Are there any user-facing changes? better docs and `TIMEZONE_WILDCARD` is better documented <!-- If there are user-facing changes then we may require documentation to be updated before approving the PR. --> <!-- If there are any breaking changes to public APIs, please add the `api change` label. --> -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
