Add support for GRANT DROP statement (apache#1959)

Author: yoavcloud

src/ast/mod.rs

@@ -6640,6 +6640,7 @@ pub enum Action {
         role: ObjectName,
     },
     Delete,
+    Drop,
     EvolveSchema,
     Exec {
         obj_type: Option<ActionExecuteObjectType>,
@@ -6709,6 +6710,7 @@ impl fmt::Display for Action {
             }
             Action::DatabaseRole { role } => write!(f, "DATABASE ROLE {role}")?,
             Action::Delete => f.write_str("DELETE")?,
+            Action::Drop => f.write_str("DROP")?,
             Action::EvolveSchema => f.write_str("EVOLVE SCHEMA")?,
             Action::Exec { obj_type } => {
                 f.write_str("EXEC")?;

src/parser/mod.rs

@@ -14371,6 +14371,8 @@ impl<'a> Parser<'a> {
             Ok(Action::Usage)
         } else if self.parse_keyword(Keyword::OWNERSHIP) {
             Ok(Action::Ownership)
+        } else if self.parse_keyword(Keyword::DROP) {
+            Ok(Action::Drop)
         } else {
             self.expected("a privilege keyword", self.peek_token())?
         }

tests/sqlparser_common.rs

@@ -9343,7 +9343,7 @@ fn parse_drop_role() {
 
 #[test]
 fn parse_grant() {
-    let sql = "GRANT SELECT, INSERT, UPDATE (shape, size), USAGE, DELETE, TRUNCATE, REFERENCES, TRIGGER, CONNECT, CREATE, EXECUTE, TEMPORARY ON abc, def TO xyz, m WITH GRANT OPTION GRANTED BY jj";
+    let sql = "GRANT SELECT, INSERT, UPDATE (shape, size), USAGE, DELETE, TRUNCATE, REFERENCES, TRIGGER, CONNECT, CREATE, EXECUTE, TEMPORARY, DROP ON abc, def TO xyz, m WITH GRANT OPTION GRANTED BY jj";
     match verified_stmt(sql) {
         Statement::Grant {
             privileges,
@@ -9381,6 +9381,7 @@ fn parse_grant() {
                         Action::Create { obj_type: None },
                         Action::Execute { obj_type: None },
                         Action::Temporary,
+                        Action::Drop,
                     ],
                     actions
                 );