From 0ab02be35b4f83a10c1d586c7e069b9e1dc4c075 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sat, 24 Dec 2022 04:57:28 +0300
Subject: db: cleanup duplicated followers and add constraints

---
 src/main/resources/db/specific/postgresql/V1.27__followers_unique.sql | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 src/main/resources/db/specific/postgresql/V1.27__followers_unique.sql

(limited to 'src/main/resources/db/specific/postgresql')

diff --git a/src/main/resources/db/specific/postgresql/V1.27__followers_unique.sql b/src/main/resources/db/specific/postgresql/V1.27__followers_unique.sql
new file mode 100644
index 00000000..5a15d9ae
--- /dev/null
+++ b/src/main/resources/db/specific/postgresql/V1.27__followers_unique.sql
@@ -0,0 +1,4 @@
+DELETE
+FROM followers A USING followers B
+WHERE A.user_id=B.user_id AND A.ts<=B.ts AND A.acct=B.acct AND A.ctid<B.ctid;
+ALTER TABLE followers ADD UNIQUE (user_id, acct)
\ No newline at end of file
-- 
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