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| author |  Vitaly Takmazov | 2022-12-24 04:57:28 +0300 |
|---|---|---|
| committer | Vitaly Takmazov | 2022-12-24 04:57:28 +0300 |
| commit | 0ab02be35b4f83a10c1d586c7e069b9e1dc4c075 (patch) | |
| tree | 3549a906493a17bbf91d489ff6c2083f28fae1d8 | |
| parent | 36ebeb217326c6bc23dedfde1e028ae2286afe02 (diff) | |
db: cleanup duplicated followers and add constraints
3 files changed, 6 insertions, 0 deletions
diff --git a/src/main/resources/db/specific/h2/V1.27__followers_unique.sql b/src/main/resources/db/specific/h2/V1.27__followers_unique.sql new file mode 100644 index 00000000..e103d1a0 --- /dev/null +++ b/src/main/resources/db/specific/h2/V1.27__followers_unique.sql @@ -0,0 +1 @@ +ALTER TABLE followers ADD UNIQUE (user_id, acct)
\ No newline at end of file diff --git a/src/main/resources/db/specific/mariadb/V1.27__followers_unique.sql b/src/main/resources/db/specific/mariadb/V1.27__followers_unique.sql new file mode 100644 index 00000000..e103d1a0 --- /dev/null +++ b/src/main/resources/db/specific/mariadb/V1.27__followers_unique.sql @@ -0,0 +1 @@ +ALTER TABLE followers ADD UNIQUE (user_id, acct)
\ No newline at end of file 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 |