Merge b943152 into 536b539

encoder.go

@@ -134,8 +134,13 @@ func (d *textDecoder) Decode(t string, value []byte) (driver.Value, error) {
 		return unescape(unquote(v)), nil
 	}
 	if strings.HasPrefix(t, "Array") {
-		if len(v) > 0 && v[0] == '[' && v[len(value)-1] == ']' {
-			items := strings.Split(v[1:len(value)-1], ",")
+		if len(v) > 0 && v[0] == '[' && v[len(v)-1] == ']' {
+			var items []string
+			// check that array is not empty ([])
+			if len(v) > 2 {
+				items = strings.Split(v[1:len(v)-1], ",")
+			}
+
 			subType := t[6 : len(t)-1]
 			r := reflect.MakeSlice(reflect.SliceOf(columnType(subType)), len(items), len(items))
 			for i, item := range items {

encoder_test.go

@@ -34,6 +34,7 @@ func TestTextEncoder(t *testing.T) {
 		{`\\'hello`, `'\\\\\'hello'`},
 		{[]byte(`\\'hello`), `\\'hello`},
 		{[]int32{1, 2}, "[1,2]"},
+		{[]int32{}, "[]"},
 		{&d, "'2012-05-31 00:00:00'"},
 	}
 
@@ -70,6 +71,7 @@ func TestTextDecoder(t *testing.T) {
 		{"Enum8('one'=1)", "'one'", "one"},
 		{"Enum16('one'=1)", "'one'", "one"},
 		{"Array(UInt32)", "[1,2]", []uint32{1, 2}},
+		{"Array(UInt32)", "[]", []uint32{}},
 	}
 
 	dec := &textDecoder{location: time.UTC}

types_test.go

@@ -19,6 +19,7 @@ func TestArray(t *testing.T) {
 		{[]uint16{1, 2}, []byte("[1,2]")},
 		{[]uint32{1, 2}, []byte("[1,2]")},
 		{[]uint64{1, 2}, []byte("[1,2]")},
+		{[]uint64{}, []byte("[]")},
 	}
 
 	for _, tc := range testCases {