For "set @@session.autocommit" replace on/1, off/0.

.gitignore

@@ -30,5 +30,5 @@ Makefile.main
 .ci/
 _example/main
 _example/*.exe
-
-go.sum
+.vscode/
+go.sum

sql/parse/parse.go

@@ -35,6 +35,7 @@ var (
 	showIndexRegex       = regexp.MustCompile(`^show\s+(index|indexes|keys)\s+(from|in)\s+\S+\s*`)
 	describeRegex        = regexp.MustCompile(`^(describe|desc|explain)\s+(.*)\s+`)
 	fullProcessListRegex = regexp.MustCompile(`^show\s+(full\s+)?processlist$`)
+	setAutocommitRegexp  = regexp.MustCompile(`^set\s+(@+)session.autocommit\s*=`)
 )
 
 // Parse parses the given SQL sentence and returns the corresponding node.
@@ -61,6 +62,18 @@ func Parse(ctx *sql.Context, s string) (sql.Node, error) {
 		return parseDescribeQuery(ctx, s)
 	case fullProcessListRegex.MatchString(lowerQuery):
 		return plan.NewShowProcessList(), nil
+	case setAutocommitRegexp.MatchString(lowerQuery):
+		idx := setAutocommitRegexp.FindStringIndex(lowerQuery)
+		if idx == nil || len(idx) < 2 {
+			break
+		}
+		tail := strings.TrimSpace(lowerQuery[idx[1]:])
+		if strings.HasPrefix(tail, "on") {
+			tail = strings.Replace(tail, "on", "1", 1)
+		} else if strings.HasPrefix(tail, "off") {
+			tail = strings.Replace(tail, "off", "0", 1)
+		}
+		s = lowerQuery[0:idx[1]] + tail
 	}
 
 	stmt, err := sqlparser.Parse(s)
@@ -112,6 +125,7 @@ func convertSet(ctx *sql.Context, n *sqlparser.Set) (sql.Node, error) {
 		fmt.Println(strings.TrimSpace(strings.ToLower(e.Name.Qualifier.Name.String())))
 		switch strings.TrimSpace(strings.ToLower(e.Name.Qualifier.Name.String())) {
 		case "@@session", "": // do nothing
+
 		default:
 			return nil, ErrUnsupportedFeature.New("qualifiers in set variable names other than @@session")
 		}

sql/parse/parse_test.go

@@ -662,6 +662,49 @@ var fixtures = map[string]sql.Node{
 			Value: expression.NewLiteral("bar", sql.Text),
 		},
 	),
+	`SET @@session.autocommit=ON`: plan.NewSet(
+		plan.SetVariable{
+			Name:  "autocommit",
+			Value: expression.NewLiteral(int64(1), sql.Int64),
+		},
+	),
+
+	`SET @@session.autocommit=OFF`: plan.NewSet(
+		plan.SetVariable{
+			Name:  "autocommit",
+			Value: expression.NewLiteral(int64(0), sql.Int64),
+		},
+	),
+
+	`SET @@session.autocommit = on, one="on", zero="off"`: plan.NewSet(
+		plan.SetVariable{
+			Name:  "autocommit",
+			Value: expression.NewLiteral(int64(1), sql.Int64),
+		},
+		plan.SetVariable{
+			Name:  "one",
+			Value: expression.NewLiteral("on", sql.Text),
+		},
+		plan.SetVariable{
+			Name:  "zero",
+			Value: expression.NewLiteral("off", sql.Text),
+		},
+	),
+
+	`SET @@session.autocommit = off, one="on", zero="off"`: plan.NewSet(
+		plan.SetVariable{
+			Name:  "autocommit",
+			Value: expression.NewLiteral(int64(0), sql.Int64),
+		},
+		plan.SetVariable{
+			Name:  "one",
+			Value: expression.NewLiteral("on", sql.Text),
+		},
+		plan.SetVariable{
+			Name:  "zero",
+			Value: expression.NewLiteral("off", sql.Text),
+		},
+	),
 }
 
 func TestParse(t *testing.T) {