From 04f552b16994a45687e09fb5a53b71d77d82d787 Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Fri, 20 May 2022 16:36:25 +0800
Subject: [PATCH] add unique index for sqlite

---
 .../20220520140707_kline_unique_idx.sql       | 41 ++++++++++++++++++-
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/migrations/sqlite3/20220520140707_kline_unique_idx.sql b/migrations/sqlite3/20220520140707_kline_unique_idx.sql
index d7ff4e671..e45bde5f4 100644
--- a/migrations/sqlite3/20220520140707_kline_unique_idx.sql
+++ b/migrations/sqlite3/20220520140707_kline_unique_idx.sql
@@ -1,10 +1,47 @@
 -- +up
 -- +begin
-SELECT 'up SQL query';
+CREATE UNIQUE INDEX idx_kline_binance_unique
+    ON binance_klines (`symbol`, `interval`, `start_time`);
+-- +end
+
+-- +begin
+CREATE UNIQUE INDEX idx_kline_max_unique
+    ON max_klines (`symbol`, `interval`, `start_time`);
+-- +end
+
+-- +begin
+CREATE UNIQUE INDEX `idx_kline_ftx_unique`
+    ON ftx_klines (`symbol`, `interval`, `start_time`);
+-- +end
+
+-- +begin
+CREATE UNIQUE INDEX `idx_kline_kucoin_unique`
+    ON kucoin_klines (`symbol`, `interval`, `start_time`);
+-- +end
+
+-- +begin
+CREATE UNIQUE INDEX `idx_kline_okex_unique`
+    ON okex_klines (`symbol`, `interval`, `start_time`);
 -- +end
 
 -- +down
 
 -- +begin
-SELECT 'down SQL query';
+DROP INDEX `idx_kline_ftx_unique` ON `ftx_klines`;
+-- +end
+
+-- +begin
+DROP INDEX `idx_kline_max_unique` ON `max_klines`;
+-- +end
+
+-- +begin
+DROP INDEX `idx_kline_binance_unique` ON `binance_klines`;
+-- +end
+
+-- +begin
+DROP INDEX `idx_kline_kucoin_unique` ON `kucoin_klines`;
+-- +end
+
+-- +begin
+DROP INDEX `idx_kline_okex_unique` ON `okex_klines`;
 -- +end