Check GENERATED column

src/lexer/sql/test.rs

@@ -81,8 +81,12 @@ fn auto_increment() {
 #[test]
 fn generated() {
     expect_parser_err_msg(
-        b"CREATE TABLE x(a PRIMARY KEY AS ('id'));",
+        b"CREATE TABLE x(a PRIMARY KEY AS ('id'))",
         "generated columns cannot be part of the PRIMARY KEY",
+    );
+    expect_parser_err_msg(
+        b"CREATE TABLE x(a AS ('id') DEFAULT '')",
+        "cannot use DEFAULT on a generated column",
     )
 }
 

src/parser/ast/mod.rs

@@ -1373,7 +1373,7 @@ impl ColumnDefinition {
                 col_type.name = new_type.join(" ");
             }
         }
-        let (mut primary_key, mut generated) = (false, false);
+        let (mut primary_key, mut generated, mut default) = (false, false, false);
         for constraint in &cd.constraints {
             if let ColumnConstraint::PrimaryKey { auto_increment, .. } = &constraint.constraint {
                 if *auto_increment
@@ -1405,12 +1405,16 @@ impl ColumnDefinition {
                 }
             } else if let ColumnConstraint::Generated { .. } = &constraint.constraint {
                 generated = true;
+            } else if let ColumnConstraint::Default(..) = &constraint.constraint {
+                default = true;
             }
         }
         if primary_key && generated {
             return Err(custom_err!(
                 "generated columns cannot be part of the PRIMARY KEY"
             ));
+        } else if default && generated {
+            return Err(custom_err!("cannot use DEFAULT on a generated column"));
         }
         columns.insert(col_name.clone(), cd);
         Ok(())