[fix] always use sorted map

Signed-off-by: Anton Nesterov <anton@demiurg.io>

pkg/builder/convert_find.go

@@ -15,8 +15,10 @@ func covert_find(ctx Context, find Find, join string) string {
 	if join == "" {
 		join = " AND "
 	}
+	keys := AggregateSortedKeys([]Map{find})
 	expressions := []string{}
-	for key, value := range find {
+	for _, key := range keys {
+		value := find[key]
 		if strings.Contains(key, "$and") {
 			v := covert_find(ctx, value.(Find), "")
 			expressions = append(expressions, fmt.Sprintf("(%s)", v))

pkg/builder/convert_insert.go

@@ -11,7 +11,7 @@ type InsertData struct {
 }
 
 func ConvertInsert(ctx Context, inserts []Map) (InsertData, error) {
-	keys := AggregateKeys(inserts)
+	keys := AggregateSortedKeys(inserts)
 	placeholder := make([]string, 0)
 	for range keys {
 		placeholder = append(placeholder, "?")

pkg/builder/utils.go

@@ -2,7 +2,7 @@ package builder
 
 import "sort"
 
-func AggregateKeys(maps []Map) []string {
+func AggregateSortedKeys(maps []Map) []string {
 	set := make(map[string]int)
 	keys := make([]string, 0)
 	for _, item := range maps {