keays.io
+72
notes.md
+72
notes.md
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Some notes on how I handled manually cleaning up the database file. This needs to be automated later...
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```bash
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apk add sqlite
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cd /data
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sqlite3
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.open coffee.db
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ATTACH DATABASE 'archive.db' AS archive;
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.schema post
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CREATE TABLE IF NOT EXISTS archive."post" ("uri" varchar primary key, "cid" varchar not null, "topic" varchar not null, "indexedAt" varchar not null);
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SELECT COUNT(*) FROM post WHERE indexedAt < '2025-06-01T00:00:00Z';
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INSERT INTO archive.post SELECT * FROM post WHERE indexedAt < '2025-06-01T00:00:00Z';
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DETACH DATABASE archive;
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DELETE FROM post WHERE indexedAt < '2025-06-01T00:00:00Z';
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apk add sqlite
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cd /data
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rm archive.db archive.db-journal
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cp archive.db.bak archive.db
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sqlite3
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.open coffee.db
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ATTACH DATABASE 'archive.db' AS archive;
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INSERT INTO archive.post SELECT * FROM post WHERE indexedAt < '2025-06-15T00:00:00Z';
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DETACH DATABASE archive;
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DELETE FROM post WHERE indexedAt < '2025-06-15T00:00:00Z';
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.exit
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cp archive.db archive.db.bak
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```
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```bash
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32876d22b7d238:/data# apk add sqlite
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fetch https://dl-cdn.alpinelinux.org/alpine/v3.21/main/x86_64/APKINDEX.tar.gz
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fetch https://dl-cdn.alpinelinux.org/alpine/v3.21/community/x86_64/APKINDEX.tar.gz
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(1/4) Installing ncurses-terminfo-base (6.5_p20241006-r3)
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(2/4) Installing libncursesw (6.5_p20241006-r3)
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(3/4) Installing readline (8.2.13-r0)
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(4/4) Installing sqlite (3.48.0-r4)
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Executing busybox-1.37.0-r12.trigger
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OK: 10 MiB in 21 packages
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32876d22b7d238:/data# sqlite3
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SQLite version 3.48.0 2025-01-14 11:05:00
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Enter ".help" for usage hints.
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Connected to a transient in-memory database.
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Use ".open FILENAME" to reopen on a persistent database.
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sqlite> .open coffee.db
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sqlite> ATTACH DATABASE 'archive.db' AS archive;
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sqlite> .schema post
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CREATE TABLE IF NOT EXISTS "post" ("uri" varchar primary key, "cid" varchar not null, "topic" varchar not null, "indexedAt" varchar not null);
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sqlite> CREATE TABLE IF NOT EXISTS archive."post" ("uri" varchar primary key, "cid" varchar not null, "topic" varchar not null, "indexedAt" varchar not null);
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sqlite> SELECT COUNT(*) FROM post WHERE indexedAt < '2025-06-01T00:00:00Z';
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35438
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sqlite> INSERT INTO archive.post SELECT * FROM post WHERE indexedAt < '2025-06-01T00:00:00Z';
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sqlite> DETACH DATABASE archive;
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sqlite> .exit
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# because this crashed quite a few times...
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32876d22b7d238:/data# cp archive.db archive.db.bak
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# ... later
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32876d22b7d238:/data# sqlite3
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SQLite version 3.48.0 2025-01-14 11:05:00
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Enter ".help" for usage hints.
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Connected to a transient in-memory database.
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Use ".open FILENAME" to reopen on a persistent database.
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sqlite> .open coffee.db
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sqlite> ATTACH DATABASE 'archive.db' AS archive;
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sqlite> SELECT COUNT(*) FROM post WHERE indexedAt < '2025-06-29T02:43:00Z';
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188598
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sqlite> INSERT INTO archive.post SELECT * FROM post WHERE indexedAt < '2025-06-15T00:00:00Z';
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sqlite> DETACH DATABASE archive;
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sqlite> DELETE FROM post WHERE indexedAt < '2025-06-15T00:00:00Z';
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```