tests for nulls in tuple

.github/workflows/run-tests.yml

@@ -24,9 +24,10 @@ jobs:
           - 1.19
         clickhouse:
           - 22.3
-          - 22.7
           - 22.8
           - 22.9
+          - 22.10
+          - 22.11
           - latest
     steps:
       - uses: actions/checkout@main

tests/issues/816_test.go

@@ -0,0 +1,56 @@
+package issues
+
+import (
+	"fmt"
+	"github.com/ClickHouse/clickhouse-go/v2"
+	clickhouse_tests "github.com/ClickHouse/clickhouse-go/v2/tests"
+	clickhouse_std_tests "github.com/ClickHouse/clickhouse-go/v2/tests/std"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"strconv"
+	"testing"
+)
+
+func Test816(t *testing.T) {
+	useSSL, err := strconv.ParseBool(clickhouse_tests.GetEnv("CLICKHOUSE_USE_SSL", "false"))
+	require.NoError(t, err)
+	conn, err := clickhouse_std_tests.GetDSNConnection("issues", clickhouse.Native, useSSL, "false")
+	const ddl = `
+		CREATE TABLE test_816 (
+			  Col1 Tuple(count Nullable(Int64), products Array(Tuple(price Nullable(Float64), qty Nullable(Int64))), price Nullable(Float64))
+		) Engine MergeTree() ORDER BY tuple()
+		`
+	conn.Exec("DROP TABLE test_816")
+	defer func() {
+		conn.Exec("DROP TABLE test_816")
+	}()
+	_, err = conn.Exec(ddl)
+	require.NoError(t, err)
+	scope, err := conn.Begin()
+	require.NoError(t, err)
+	batch, err := scope.Prepare("INSERT INTO test_816")
+	require.NoError(t, err)
+	var (
+		col1Data = map[string]interface{}{
+			"count": nil,
+			"products": []map[string]interface{}{
+				{
+					"price": nil,
+					"qty":   nil,
+				},
+				{
+					"price": float64(2.3),
+					"qty":   int64(2),
+				},
+			},
+			"price": float64(1.1),
+		}
+	)
+	_, err = batch.Exec(col1Data)
+	require.NoError(t, err)
+	require.NoError(t, scope.Commit())
+	var col1 interface{}
+	require.NoError(t, conn.QueryRow("SELECT Col1 FROM test_816").Scan(&col1))
+	assert.Equal(t, clickhouse_std_tests.ToJson(col1Data), clickhouse_std_tests.ToJson(col1))
+	fmt.Println(col1)
+}