JSON types are also text

CHANGELOG.md

@@ -11,6 +11,7 @@ This release uses a new Raft consensus version, with the move to Hashicorp Raft
 - [PR #601](https://github.com/rqlite/rqlite/pull/601): By default use Raft network address as node ID.
 - [PR #602](https://github.com/rqlite/rqlite/pull/602): Add method to Store that returns leader ID.
 - [PR #603](https://github.com/rqlite/rqlite/pull/603): Fix up status key name style.
+- [PR #604](https://github.com/rqlite/rqlite/pull/604): JSON types are also text.
 
 ## 4.6.0 (November 29th 2019)
 _This release adds significant new functionality to the command-line tool, including much more control over backup and restore of the database. [Visit the Releases page](https://github.com/rqlite/rqlite/releases/tag/v4.6.0) to download this release._

db/db.go

@@ -526,6 +526,7 @@ func normalizeRowValues(row []driver.Value, types []string) []interface{} {
 // http://www.sqlite.org/datatype3.html
 func isTextType(t string) bool {
 	return t == "text" ||
+		t == "json" ||
 		t == "" ||
 		strings.HasPrefix(t, "varchar") ||
 		strings.HasPrefix(t, "varying character") ||

db/db_test.go

@@ -180,6 +180,30 @@ func Test_SimpleSingleStatements(t *testing.T) {
 	}
 }
 
+func Test_SimpleSingleJSONStatements(t *testing.T) {
+	db, path := mustCreateDatabase()
+	defer db.Close()
+	defer os.Remove(path)
+
+	_, err := db.Execute([]string{"CREATE TABLE foo (c0 VARCHAR(36), c1 JSON, c2 NCHAR, c3 NVARCHAR, c4 CLOB)"}, false, false)
+	if err != nil {
+		t.Fatalf("failed to create table: %s", err.Error())
+	}
+
+	_, err = db.Execute([]string{`INSERT INTO foo(c0, c1, c2, c3, c4) VALUES("fiona", '{"mittens": "foobar"}', "bob", "dana", "declan")`}, false, false)
+	if err != nil {
+		t.Fatalf("failed to insert record: %s", err.Error())
+	}
+
+	r, err := db.Query([]string{"SELECT * FROM foo"}, false, false)
+	if err != nil {
+		t.Fatalf("failed to query: %s", err.Error())
+	}
+	if exp, got := `[{"columns":["c0","c1","c2","c3","c4"],"types":["varchar(36)","json","nchar","nvarchar","clob"],"values":[["fiona","{\"mittens\": \"foobar\"}","bob","dana","declan"]]}]`, asJSON(r); exp != got {
+		t.Fatalf("unexpected results for query, expected %s, got %s", exp, got)
+	}
+}
+
 func Test_SimpleJoinStatements(t *testing.T) {
 	db, path := mustCreateDatabase()
 	defer db.Close()