Support scan from uint8 to bool (#1051)

* support scan from uint8 to bool

* update column template

* scan uint8 to bool test

---------

Co-authored-by: Kuba Kaflik <[email protected]>

lib/column/codegen/column.tpl

@@ -230,7 +230,7 @@ func (col *{{ .ChType }}) ScanRow(dest any, row int) error {
 	case *sql.Null{{ .ChType }}:
 		return d.Scan(value)
 	{{- end }}
-    {{- if eq .ChType "Int8" }}
+    {{- if or (eq .ChType "Int8") (eq .ChType "UInt8")  }}
 	case *bool:
 		switch value {
 		case 0:

tests/uint8_test.go

@@ -0,0 +1,63 @@
+// Licensed to ClickHouse, Inc. under one or more contributor
+// license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright
+// ownership. ClickHouse, Inc. licenses this file to you under
+// the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package tests
+
+import (
+	"context"
+	"github.com/ClickHouse/clickhouse-go/v2"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestBoolUInt8(t *testing.T) {
+	ctx := context.Background()
+
+	conn, err := GetNativeConnection(clickhouse.Settings{
+		"max_execution_time": 60,
+	}, nil, &clickhouse.Compression{
+		Method: clickhouse.CompressionLZ4,
+	})
+	require.NoError(t, err)
+
+	const ddl = `
+			CREATE TABLE IF NOT EXISTS issue_1050 (
+				  Col1 UInt8
+				, Col2 UInt8                   
+			) Engine MergeTree() ORDER BY tuple()
+		`
+	require.NoError(t, conn.Exec(ctx, ddl))
+	defer func() {
+		require.NoError(t, conn.Exec(ctx, "DROP TABLE IF EXISTS issue_1050"))
+	}()
+
+	batch, err := conn.PrepareBatch(ctx, "INSERT INTO issue_1050 (Col1, Col2)")
+	require.NoError(t, err)
+	require.NoError(t, batch.Append(true, false))
+	require.NoError(t, batch.Send())
+
+	row := conn.QueryRow(ctx, "SELECT Col1, Col2 from issue_1050")
+	require.NoError(t, err)
+
+	var (
+		col1 bool
+		col2 bool
+	)
+	require.NoError(t, row.Scan(&col1, &col2))
+	require.True(t, col1)
+	require.False(t, col2)
+}