entc/gen/template/dialect/sql/feature: add NamedDiff method to create…

… named versioned migration files
ent · Mar 10, 2022 · 0754d31 · 0754d31
1 parent 5b184f2
commit 0754d31
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diff --git a/entc/gen/template/dialect/sql/feature/migrate_diff.tmpl b/entc/gen/template/dialect/sql/feature/migrate_diff.tmpl
@@ -16,4 +16,14 @@ func (s *Schema) Diff(ctx context.Context, opts ...schema.MigrateOption) error {
     }
     return migrate.Diff(ctx, Tables...)
 }
+
+// NamedDiff creates a named migration file containing the statements to resolve the diff
+// between the Ent schema and the connected database.
+func (s *Schema) NamedDiff(ctx context.Context, name string, opts ...schema.MigrateOption) error {
+    migrate, err := schema.NewMigrate(s.drv, opts...)
+    if err != nil {
+        return fmt.Errorf("ent/migrate: %w", err)
+    }
+    return migrate.NamedDiff(ctx, name, Tables...)
+}
 {{ end }}
diff --git a/entc/integration/migrate/versioned/migrate/migrate.go b/entc/integration/migrate/versioned/migrate/migrate.go