MySQL: Add support for the PUBLIC privilege

src/ast/mod.rs

@@ -6263,6 +6263,7 @@ pub enum Action {
     Operate,
     OverrideShareRestrictions,
     Ownership,
+    Public,
     PurchaseDataExchangeListing,
     Read,
     ReadSession,
@@ -6341,6 +6342,7 @@ impl fmt::Display for Action {
             Action::Operate => f.write_str("OPERATE")?,
             Action::OverrideShareRestrictions => f.write_str("OVERRIDE SHARE RESTRICTIONS")?,
             Action::Ownership => f.write_str("OWNERSHIP")?,
+            Action::Public => f.write_str("PUBLIC")?,
             Action::PurchaseDataExchangeListing => f.write_str("PURCHASE DATA EXCHANGE LISTING")?,
             Action::Read => f.write_str("READ")?,
             Action::ReadSession => f.write_str("READ SESSION")?,

src/parser/mod.rs

@@ -16063,6 +16063,8 @@ impl<'a> Parser<'a> {
             Ok(Action::Ownership)
         } else if self.parse_keyword(Keyword::DROP) {
             Ok(Action::Drop)
+        } else if self.parse_keyword(Keyword::PUBLIC) {
+            Ok(Action::Public)
         } else {
             self.expected("a privilege keyword", self.peek_token())?
         }

tests/sqlparser_common.rs

@@ -9705,6 +9705,9 @@ fn parse_grant() {
     verified_stmt("GRANT ROLE role1 TO ROLE role2");
     verified_stmt("GRANT ROLE role1 TO USER user");
     verified_stmt("GRANT CREATE SCHEMA ON DATABASE db1 TO ROLE role1");
+
+    all_dialects_where(|d| d.supports_user_host_grantee())
+        .verified_stmt("GRANT PUBLIC TO 'AAA'@'AAA'");
 }
 
 #[test]