gaoqiangz commented on code in PR #1507:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1507#discussion_r1835719464
##########
src/parser/mod.rs:
##########
@@ -11096,6 +11096,19 @@ impl<'a> Parser<'a> {
arg,
operator: FunctionArgOperator::Assignment,
})
+ } else if dialect_of!(self is MsSqlDialect) {
+ // FUNC(<expr> : <expr>)
+ let name = self.parse_wildcard_expr()?;
+ if self.consume_token(&Token::Colon) {
+ let arg = self.parse_expr()?.into();
+ Ok(FunctionArg::Named {
+ name,
+ arg,
+ operator: FunctionArgOperator::Colon,
+ })
Review Comment:
How about this?
```rs
pub enum FunctionArg {
Named {
name: Ident,
arg: FunctionArgExpr,
operator: FunctionArgOperator,
},
ExprNamed {
name: Expr, // <<
arg: FunctionArgExpr,
operator: FunctionArgOperator,
},
Unnamed(FunctionArgExpr),
}
pub trait Dialect {
/// Some dialect supports
`function(<arbitrary-expr>:<arbitrary-expr>,...)`,
/// for this scenario, when returning `true` use the
`FunctionArg::ExprNamed` variant in all cases to express named
arguments,otherwise use the `FunctionArg::Named` variant (compatible reason).
fn supports_function_expr_named { false }
}
```
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