mvzink commented on code in PR #1739:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1739#discussion_r1970437405
##########
src/ast/data_type.rs:
##########
@@ -238,6 +238,26 @@ pub enum DataType {
UnsignedBigInt(Option<u64>),
/// Unsigned Int8 with optional display width e.g. INT8 UNSIGNED or
INT8(11) UNSIGNED
UnsignedInt8(Option<u64>),
+ /// Signed integer as used in [MySQL CAST] target types, with optional
`INTEGER` suffix:
+ /// `SIGNED [INTEGER]`
+ ///
+ /// Note that this doesn't accept a display width and is reversed from the
syntax used in column
+ /// definitions ([`DataType::Int`]): `INTEGER [SIGNED]`
+ ///
+ /// Semantically equivalent to `BIGINT`.
+ ///
+ /// [MySQL CAST]:
https://dev.mysql.com/doc/refman/8.4/en/cast-functions.html
+ Signed(bool),
Review Comment:
I'm not sure exactly what you mean. Different variants `Signed = SIGNED` and
`SignedInteger = SIGNED INTEGER`? The only reason I didn't do that is there's
already `UnsignedInt = INT[EGER] UNSIGNED` and it would be even more confusing
to have `UnsignedInteger = UNSIGNED INTEGER`, and very disruptive to change the
existing `UnsignedInt` to `IntUnsigned` or something.
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