diff --git a/statement.go b/statement.go
index aac4f073..0cb2ca32 100644
--- a/statement.go
+++ b/statement.go
@@ -600,12 +600,14 @@ func (stmt *Statement) SelectAndOmitColumns(requireCreate, requireUpdate bool) (
 
 	// select columns
 	for _, column := range stmt.Selects {
-		if column == "*" {
+		if stmt.Schema == nil {
+			results[column] = true
+		} else if column == "*" {
 			notRestricted = true
 			for _, dbName := range stmt.Schema.DBNames {
 				results[dbName] = true
 			}
-		} else if column == clause.Associations && stmt.Schema != nil {
+		} else if column == clause.Associations {
 			for _, rel := range stmt.Schema.Relationships.Relations {
 				results[rel.Name] = true
 			}
@@ -618,11 +620,11 @@ func (stmt *Statement) SelectAndOmitColumns(requireCreate, requireUpdate bool) (
 
 	// omit columns
 	for _, omit := range stmt.Omits {
-		if omit == clause.Associations {
-			if stmt.Schema != nil {
-				for _, rel := range stmt.Schema.Relationships.Relations {
-					results[rel.Name] = false
-				}
+		if stmt.Schema == nil {
+			results[omit] = false
+		} else if omit == clause.Associations {
+			for _, rel := range stmt.Schema.Relationships.Relations {
+				results[rel.Name] = false
 			}
 		} else if field := stmt.Schema.LookUpField(omit); field != nil && field.DBName != "" {
 			results[field.DBName] = false