feat: rename enum value to fix java problem

Signed-off-by: Manan Gupta <manan@planetscale.com>

go/test/vschemawrapper/vschema_wrapper.go

@@ -130,7 +130,7 @@ func (vw *VSchemaWrapper) PlannerWarning(_ string) {
 
 func (vw *VSchemaWrapper) ForeignKeyMode(keyspace string) (vschemapb.Keyspace_ForeignKeyMode, error) {
 	defaultFkMode := vschemapb.Keyspace_unmanaged
-	if vw.V.Keyspaces[keyspace] != nil && vw.V.Keyspaces[keyspace].ForeignKeyMode != vschemapb.Keyspace_default {
+	if vw.V.Keyspaces[keyspace] != nil && vw.V.Keyspaces[keyspace].ForeignKeyMode != vschemapb.Keyspace_unspecified {
 		return vw.V.Keyspaces[keyspace].ForeignKeyMode, nil
 	}
 	return defaultFkMode, nil

go/vt/vtgate/semantics/FakeSI.go

@@ -53,7 +53,7 @@ func (s *FakeSI) ForeignKeyMode(keyspace string) (vschemapb.Keyspace_ForeignKeyM
 	if s.KsForeignKeyMode != nil {
 		fkMode, isPresent := s.KsForeignKeyMode[keyspace]
 		if !isPresent {
-			return vschemapb.Keyspace_default, fmt.Errorf("%v keyspace not found", keyspace)
+			return vschemapb.Keyspace_unspecified, fmt.Errorf("%v keyspace not found", keyspace)
 		}
 		return fkMode, nil
 	}

go/vt/vtgate/vindexes/vschema.go

@@ -326,7 +326,7 @@ func buildKeyspaces(source *vschemapb.SrvVSchema, vschema *VSchema) {
 				Name:    ksname,
 				Sharded: ks.Sharded,
 			},
-			ForeignKeyMode: replaceDefaultForeignKeyMode(ks.ForeignKeyMode),
+			ForeignKeyMode: replaceUnspecifiedForeignKeyMode(ks.ForeignKeyMode),
 			Tables:         make(map[string]*Table),
 			Vindexes:       make(map[string]Vindex),
 		}
@@ -335,9 +335,9 @@ func buildKeyspaces(source *vschemapb.SrvVSchema, vschema *VSchema) {
 	}
 }
 
-// replaceDefaultForeignKeyMode replaces the default value of the foreign key mode enum with the default we want to keep.
-func replaceDefaultForeignKeyMode(fkMode vschemapb.Keyspace_ForeignKeyMode) vschemapb.Keyspace_ForeignKeyMode {
-	if fkMode == vschemapb.Keyspace_default {
+// replaceUnspecifiedForeignKeyMode replaces the default value of the foreign key mode enum with the default we want to keep.
+func replaceUnspecifiedForeignKeyMode(fkMode vschemapb.Keyspace_ForeignKeyMode) vschemapb.Keyspace_ForeignKeyMode {
+	if fkMode == vschemapb.Keyspace_unspecified {
 		return vschemapb.Keyspace_unmanaged
 	}
 	return fkMode

proto/vschema.proto

@@ -49,7 +49,7 @@ message Keyspace {
   ForeignKeyMode foreign_key_mode = 5;
 
   enum ForeignKeyMode {
-    default = 0;
+    unspecified = 0;
     disallow = 1;
     unmanaged = 2;
     managed = 3;