Merge pull request #1375 from mozilla/add-fxa_uid-index-migration

add subscribers_fxa_uid_idx migration

db/migrations/20191118100718_add-fxa-uid-index.js

@@ -0,0 +1,18 @@
+"use strict";
+
+
+// Note: this index was created on stage and prod by hand
+// Use this statement to "fake" the migration:
+// INSERT INTO knex_migrations (name, batch, migration_time) values ('20191118100718_add-fxa-uid-index.js', (SELECT max(batch) + 1 FROM knex_migrations), '2019-11-18 11:00:00.000-05');
+
+exports.up = function(knex) {
+  return knex.schema.table("subscribers", table => {
+    table.index("fxa_uid", "subscribers_fxa_uid_idx");
+  });
+};
+
+exports.down = function(knex) {
+  return knex.schema.table("subscribers", table => {
+    table.dropIndex("fxa_uid", "subscribers_fxa_uid_idx");
+  });
+};