Add a script for breaking up records table into partitions

Makefile

@@ -1,9 +1,9 @@
-.PHONY: all build up update down start-db status logs
+.PHONY: all build up update down start-db status logs psql init-db
 
 all:
 	go test -v ./...
 
-.env: example.env
+.env:
 	@cp example.env .env
 	@echo "Please edit .env to suit your environment before proceeding"
 	@exit 1
@@ -30,3 +30,9 @@ logs:
 
 psql:
 	@docker compose exec -it postgres psql -U postgres -d bluesky
+
+init-db: init.sql
+	@docker compose up -d --build lister
+	@sleep 10
+	@docker compose stop lister
+	@cat init.sql | docker exec -i "$$(docker compose ps --format '{{.Names}}' postgres)" psql -U postgres -d bluesky

init.sql

@@ -0,0 +1,22 @@
+insert into pds (host) values ('https://agaric.us-west.host.bsky.network'),
+ ('https://amanita.us-east.host.bsky.network'),
+ ('https://blewit.us-west.host.bsky.network'),
+ ('https://boletus.us-west.host.bsky.network'),
+ ('https://bsky.social'),
+ ('https://chaga.us-west.host.bsky.network'),
+ ('https://conocybe.us-west.host.bsky.network'),
+ ('https://enoki.us-east.host.bsky.network'),
+ ('https://hydnum.us-west.host.bsky.network'),
+ ('https://inkcap.us-east.host.bsky.network'),
+ ('https://lepista.us-west.host.bsky.network'),
+ ('https://lionsmane.us-east.host.bsky.network'),
+ ('https://maitake.us-west.host.bsky.network'),
+ ('https://morel.us-east.host.bsky.network'),
+ ('https://oyster.us-east.host.bsky.network'),
+ ('https://porcini.us-east.host.bsky.network'),
+ ('https://puffball.us-east.host.bsky.network'),
+ ('https://russula.us-west.host.bsky.network'),
+ ('https://shiitake.us-east.host.bsky.network'),
+ ('https://shimeji.us-east.host.bsky.network'),
+ ('https://verpa.us-west.host.bsky.network')
+on conflict do nothing;

partition.sql

@@ -0,0 +1,33 @@
+alter table records rename to records_like;
+
+create table records
+(like records_like including defaults)
+partition by list (collection);
+
+drop index idx_repo_record_key;
+drop index idx_repo_rev;
+alter table records_like drop constraint records_pkey;
+create unique index records_pkey on records (id, collection);
+
+create table records_default
+partition of records default;
+
+create table records_post
+partition of records for values in ('app.bsky.feed.post');
+create table records_follow
+partition of records for values in ('app.bsky.graph.follow');
+create table records_block
+partition of records for values in ('app.bsky.graph.block');
+create table records_repost
+partition of records for values in ('app.bsky.feed.repost');
+create table records_profile
+partition of records for values in ('app.bsky.actor.profile');
+
+with moved_rows as (
+        delete from records_like r
+        where collection <> 'app.bsky.feed.like'
+        returning r.*
+)
+insert into records select * from moved_rows;
+
+alter table records attach partition records_like for values in ('app.bsky.feed.like');