Started on ast and token changes for RBAC

sql3/parser/ast.go

@@ -39,6 +39,7 @@ func (*CreateDatabaseStatement) node()  {}
 func (*CreateIndexStatement) node()     {}
 func (*CreateTableStatement) node()     {}
 func (*CreateFunctionStatement) node()  {}
+func (*CreateUserStatement) node()      {}
 func (*CreateViewStatement) node()      {}
 func (*DateLit) node()                  {}
 func (*DefaultConstraint) node()        {}
@@ -120,6 +121,7 @@ func (*CreateDatabaseStatement) stmt()  {}
 func (*CreateIndexStatement) stmt()     {}
 func (*CreateTableStatement) stmt()     {}
 func (*CreateFunctionStatement) stmt()  {}
+func (*CreateUserStatement) stmt()      {}
 func (*CreateViewStatement) stmt()      {}
 func (*DeleteStatement) stmt()          {}
 func (*DropDatabaseStatement) stmt()    {}
@@ -162,6 +164,8 @@ func CloneStatement(stmt Statement) Statement {
 		return stmt.Clone()
 	case *CreateFunctionStatement:
 		return stmt.Clone()
+	case *CreateUserStatement:
+		return stmt.Clone()
 	case *CreateViewStatement:
 		return stmt.Clone()
 	case *DeleteStatement:
@@ -2735,6 +2739,29 @@ func (s *DropTableStatement) String() string {
 	return buf.String()
 }
 
+type CreateUserStatement struct {
+	Create Pos
+	User   Pos
+	Name   *Ident
+}
+
+func (s *CreateUserStatement) Clone() *CreateUserStatement {
+	if s == nil {
+		return nil
+	}
+
+	other := *s
+	other.Name = s.Name.Clone()
+	return &other
+}
+
+func (s *CreateUserStatement) String() string {
+	var buf bytes.Buffer
+	buf.WriteString("CREATE USER")
+	fmt.Fprintf(&buf, " %s", s.Name.String())
+	return buf.String()
+}
+
 type CreateViewStatement struct {
 	Create      Pos    // position of CREATE keyword
 	View        Pos    // position of VIEW keyword

sql3/parser/ast_test.go

@@ -427,6 +427,11 @@ func TestCreateFunctionStatement_String(t *testing.T) {
 	}, `CREATE FUNCTION IF NOT EXISTS func (@param1 int) RETURNS @scalar int AS BEGIN END`)
 }
 
+func TestCreateUserStatement_String(t *testing.T) {
+	AssertStatementStringer(t, &parser.CreateUserStatement{
+		Name: &parser.Ident{Name: "tuser"},
+	}, `CREATE USER tuser`)
+}
 func TestCreateViewStatement_String(t *testing.T) {
 	AssertStatementStringer(t, &parser.CreateViewStatement{
 		Name: &parser.Ident{Name: "vw"},

sql3/parser/token.go

@@ -240,6 +240,7 @@ const (
 	UNIQUE
 	UNITS
 	UPDATE
+	USER
 	USING
 	VACUUM
 	VALUES
@@ -466,6 +467,7 @@ var tokens = [...]string{
 	UNIQUE:            "UNIQUE",
 	UNITS:             "UNITS",
 	UPDATE:            "UPDATE",
+	USER:              "USER",
 	USING:             "USING",
 	VACUUM:            "VACUUM",
 	VALUES:            "VALUES",