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docs: add database maintenance example queries

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Yuval Adam 2023-05-08 14:36:33 +03:00 committed by Greg Heartsfield
parent 2f10271903
commit 73285683a3
1 changed files with 8 additions and 2 deletions
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docs/database-maintenance.md
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@ -78,18 +78,24 @@ PRAGMA foreign_keys = ON;
delete from event where event_hash=x'00000000000c1271675dc86e3e1dd1336827bccabb90dc4c9d3b4465efefe00e'; delete from event where event_hash=x'00000000000c1271675dc86e3e1dd1336827bccabb90dc4c9d3b4465efefe00e';
``` ```
### Deleting All Events for Pubkey ### Querying and Deleting All Events for Pubkey
```console ```console
PRAGMA foreign_keys = ON; PRAGMA foreign_keys = ON;
select lower(hex(author)) as author, count(*) as c from event group by author order by c asc;
delete from event where author=x'000000000002c7831d9c5a99f183afc2813a6f69a16edda7f6fc0ed8110566e6'; delete from event where author=x'000000000002c7831d9c5a99f183afc2813a6f69a16edda7f6fc0ed8110566e6';
``` ```
### Deleting All Events of a Kind ### Querying and Deleting All Events of a Kind
```console ```console
PRAGMA foreign_keys = ON; PRAGMA foreign_keys = ON;
select printf('%7d', kind), count(*) as c from event group by kind order by c;
delete from event where kind=70202; delete from event where kind=70202;
``` ```