Fix column name with parantheses handle in prepare batch (#1252)

* Fix column name with parantheses handle in prepare batch

* fix test

Author: jkaflik

conn_batch.go

@@ -33,7 +33,7 @@ import (
 )
 
 var splitInsertRe = regexp.MustCompile(`(?i)\sVALUES\s*\(`)
-var columnMatch = regexp.MustCompile(`.*\((?P<Columns>.+)\)$`)
+var columnMatch = regexp.MustCompile(`INSERT INTO .+\s\((?P<Columns>.+)\)$`)
 
 func (c *connect) prepareBatch(ctx context.Context, query string, opts driver.PrepareBatchOptions, release func(*connect, error), acquire func(context.Context) (*connect, error)) (driver.Batch, error) {
 	//defer func() {

tests/issues/1247_test.go

@@ -0,0 +1,31 @@
+package issues
+
+import (
+	"context"
+	"testing"
+
+	"github.com/ClickHouse/clickhouse-go/v2"
+	clickhouse_tests "github.com/ClickHouse/clickhouse-go/v2/tests"
+	"github.com/stretchr/testify/require"
+)
+
+func Test1247(t *testing.T) {
+	var (
+		conn, err = clickhouse_tests.GetConnection("issues", clickhouse.Settings{
+			"max_execution_time":             60,
+			"allow_experimental_object_type": true,
+		}, nil, &clickhouse.Compression{
+			Method: clickhouse.CompressionLZ4,
+		})
+	)
+	ctx := context.Background()
+	require.NoError(t, err)
+	const ddl = "CREATE TABLE test_1247 (`ColumnNameWithParentheses(something)` String) Engine MergeTree() ORDER BY tuple()"
+	require.NoError(t, conn.Exec(ctx, ddl))
+	defer func() {
+		conn.Exec(ctx, "DROP TABLE IF EXISTS test_1247")
+	}()
+
+	_, err = conn.PrepareBatch(context.Background(), "INSERT INTO test_1247 (`ColumnNameWithParentheses(something)`)")
+	require.NoError(t, err)
+}