Function parse_def_source_column

src/expr-parser/src/parser.rs:1476–1485

(
        _ctx: CtxRef,
        input: ParseStream,
    )

    }

    fn parse_def_source_column(
        _ctx: CtxRef,
        input: ParseStream,
    ) -> syn::Result<(String, SqlColumnType)> {
        input.parse::<syn::Token![-]>()?;
        let column_name = input.parse::<syn::Ident>()?.to_string();
        input.parse::<syn::Token![:]>()?;
        let column_type = SqlColumnType::from_repr(&analyses::parse_column_type(input)?);
        Ok((column_name, column_type))
    }

    syn::custom_keyword!(DefSource);
    syn::custom_keyword!(name);