devanbenz commented on issue #9726: URL: https://github.com/apache/datafusion/issues/9726#issuecomment-2072342237
> Here are some thoughts to help people figure out what SQL matches to what expression: > > * `GetIndexedField` --> `SELECT col['field_name'] > * ScalarVariable --> Not sure (maybe `@@foo@@?` > * TryCast * --> `CAST (COL AS <datatype>>` > * Sort --> `col ASC` or `col DESC NULLS FIRST` > * Exists --> `col exists (SELECT 1 from foo)` > * Wildcard --> `COUNT(*)` > * GroupingSet --> Not sure > * Placeholder --> `SELECT $1` > * OuterReferenceColumn --> not sure (I think this is the same as a column) > * Unnest --> `UNNEST(SELECT col FROM bar)` > * WindowFunction --> `first_value(x ORDER BY y PARTITION BY z)` @alamb I beleive `ScalarVariable` would just be something like `@variable`. -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
