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Add referential actions to TableConstraint foreign key (#306)

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* Add referential actions to TableConstraint foreign key

* Remove copy/paste error

* Add referential actions to TableConstraint foreign key

* Add additional tests
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joshwd36 2021-08-25 17:03:10 +01:00 • committed by GitHub
parent f56e57470e
commit a95c81fb13
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3 changed files with 99 additions and 12 deletions
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15
src/parser.rs
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@ -1741,11 +1741,26 @@ impl<'a> Parser<'a> {
self.expect_keyword(Keyword::REFERENCES)?;
let foreign_table = self.parse_object_name()?;
let referred_columns = self.parse_parenthesized_column_list(Mandatory)?;
let mut on_delete = None;
let mut on_update = None;
loop {
if on_delete.is_none() && self.parse_keywords(&[Keyword::ON, Keyword::DELETE]) {
on_delete = Some(self.parse_referential_action()?);
} else if on_update.is_none()
&& self.parse_keywords(&[Keyword::ON, Keyword::UPDATE])
{
on_update = Some(self.parse_referential_action()?);
} else {
break;
}
}
Ok(Some(TableConstraint::ForeignKey {
name,
columns,
foreign_table,
referred_columns,
on_delete,
on_update,
}))
}
Token::Word(w) if w.keyword == Keyword::CHECK => {