From 0d1389f8339f767a5bda07eef0286d630de9123d Mon Sep 17 00:00:00 2001
From: deanchen <antlet2004@gmail.com>
Date: Wed, 18 Aug 2021 10:23:30 +0800
Subject: [PATCH] feat: add index for wallet_id in token

---
 ...20210818020849-CreateIndexTokenWalletId.js | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 database/migrations/20210818020849-CreateIndexTokenWalletId.js

diff --git a/database/migrations/20210818020849-CreateIndexTokenWalletId.js b/database/migrations/20210818020849-CreateIndexTokenWalletId.js
new file mode 100644
index 00000000..14185be2
--- /dev/null
+++ b/database/migrations/20210818020849-CreateIndexTokenWalletId.js
@@ -0,0 +1,26 @@
+
+let dbm;
+let type;
+let seed;
+
+/**
+  * We receive the dbmigrate dependency from dbmigrate initially.
+  * This enables us to not have to rely on NODE_PATH.
+  */
+exports.setup = function(options, seedLink) {
+  dbm = options.dbmigrate;
+  type = dbm.dataType;
+  seed = seedLink;
+};
+
+exports.up = function(db) {
+  return db.runSql('create index token_wallet_id_idx on token(wallet_id)');
+};
+
+exports.down = function(db) {
+  return db.runSql('drop index token_wallet_id_idx');
+};
+
+exports._meta = {
+  "version": 1
+};