PLM184: Check if error is not NamespaceExists (#127)

Author: inelpandzic

plm/catalog.go

@@ -227,7 +227,7 @@ func (c *Catalog) doCreateCollection(
 
 		return errors.Wrapf(err, "create collection %s.%s", db, coll)
 	})
-	if err != nil {
+	if err != nil && !topo.IsNamespaceExists(err) {
 		return err //nolint:wrapcheck
 	}
 

topo/errors.go

@@ -23,6 +23,10 @@ func IsNamespaceNotFound(err error) bool {
 	return isMongoCommandError(err, "NamespaceNotFound")
 }
 
+func IsNamespaceExists(err error) bool {
+	return isMongoCommandError(err, "NamespaceExists")
+}
+
 // IsCollectionDropped checks if the error is caused by a collection being dropped.
 func IsCollectionDropped(err error) bool {
 	var cmdErr mongo.CommandError