yoavcloud commented on code in PR #1912: URL: https://github.com/apache/datafusion-sqlparser-rs/pull/1912#discussion_r2177485063
########## src/dialect/mod.rs: ########## @@ -1060,6 +1060,22 @@ pub trait Dialect: Debug + Any { fn supports_space_separated_column_options(&self) -> bool { false } + + /// Returns true if the dialect supports `ALTER TABLE tbl ALTER COLUMN col TYPE <type>` + /// without specifying `SET DATA` before `TYPE`. + /// + /// - [Redshift](https://docs.aws.amazon.com/redshift/latest/dg/r_ALTER_TABLE.html#r_ALTER_TABLE-synopsis) + /// - [PostgreSQL](https://www.postgresql.org/docs/current/sql-altertable.html) + fn supports_alter_column_type_without_set(&self) -> bool { Review Comment: Yes that is an option. I hesitated a bit because saw specific negative tests, and did not want to break anything. -- 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: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org