[FEATURE] Extend CAP_ESCAPE_UNDERSCORE_IN_NAMES to support other special chars

[eric-wang-1990]

Is your feature request related to a problem? Please describe. We are trying to figure out a way to escape special chars (_ and %) so that during a metadata search those are treated as string literals rather than wildcard strings, which can increase the performance.

Describe the solution you'd like Either expand CAP_ESCAPE_UNDERSCORE_IN_NAMES to support % as well. Or create a new capability to escape %.

Describe alternatives you've considered N/A

About You Name: Eric Wang Company: Databricks