iffyio commented on code in PR #2062:
URL: 
https://github.com/apache/datafusion-sqlparser-rs/pull/2062#discussion_r2422747953


##########
src/parser/mod.rs:
##########
@@ -7929,22 +7929,22 @@ impl<'a> Parser<'a> {
         loop {
             if self.parse_keyword(Keyword::CONSTRAINT) {
                 let name = Some(self.parse_identifier()?);
-                if let Some(option) = self.parse_optional_column_option()? {
+                if let Some(option) = 
self.parse_optional_column_option(&col_name)? {

Review Comment:
   I see, the goal of the AST is to represent the syntax as closely as possible 
so that I don't think that storing the column name in another node in the tree 
than where it was found seems reasonable. haven't looked closely at the 
different foreign key constraint variants but I would assume that if both 
variants show up in different parts of the syntax then its not unreasonable 
that they are represented differently



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