From d19eb07138c5820f4c2fa1a71b7fb499acf39e4d Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Fri, 17 Jun 2022 12:54:43 +0100
Subject: Add an index on git_commits

And also remove the duplicates that have crept in.
---
 sqitch/deploy/fix_git_commits_duplicates.sql | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 sqitch/deploy/fix_git_commits_duplicates.sql

(limited to 'sqitch/deploy')

diff --git a/sqitch/deploy/fix_git_commits_duplicates.sql b/sqitch/deploy/fix_git_commits_duplicates.sql
new file mode 100644
index 0000000..daf1213
--- /dev/null
+++ b/sqitch/deploy/fix_git_commits_duplicates.sql
@@ -0,0 +1,18 @@
+-- Deploy guix-data-service:fix_git_commits_duplicates to pg
+
+BEGIN;
+
+DELETE FROM git_commits WHERE id IN (
+  SELECT DISTINCT b.id
+  FROM git_commits AS a
+  INNER JOIN git_commits AS b
+  ON a.commit = b.commit AND
+     a.git_branch_id = b.git_branch_id AND
+     a.datetime = b.datetime AND
+     a.id != b.id
+  WHERE a.id < b.id
+);
+
+CREATE UNIQUE INDEX git_commits_unique_idx ON git_commits (git_branch_id, commit, datetime);
+
+COMMIT;
-- 
cgit v1.2.3