cory/tildefriends
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ssb: Request blobs referenced by messages, as an experiment. Recursively, too.
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Cory McWilliams 2025-03-11 19:02:48 -04:00
parent 67b84830cd
commit 427a7b8d25
1 changed files with 36 additions and 1 deletions
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37
src/ssb.db.c
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@ -259,10 +259,40 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS messages_refs_message_idx ON messages_refs (message)");
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS messages_refs_ref_idx ON messages_refs (ref)");
if (!_tf_ssb_db_has_rows(db, "PRAGMA table_list('blobs_refs')"))
{
_tf_ssb_db_exec(db,
"CREATE TABLE IF NOT EXISTS blobs_refs ("
" blob TEXT, "
" ref TEXT, "
" UNIQUE(blob, ref)"
")");
tf_printf("Populating blobs_refs...\n");
_tf_ssb_db_exec(db,
"INSERT INTO blobs_refs(blob, ref) "
"SELECT blobs.id, j.value FROM blobs, json_tree(blobs.content) as j WHERE "
"json_valid(blobs.content) AND j.value LIKE '&%.sha256' "
"ON CONFLICT DO NOTHING");
tf_printf("Done.\n");
}
_tf_ssb_db_exec(db, "DROP TRIGGER IF EXISTS blobs_ai_refs");
_tf_ssb_db_exec(db,
"CREATE TRIGGER IF NOT EXISTS blobs_ai_refs AFTER INSERT ON blobs BEGIN "
"INSERT INTO blobs_refs(blob, ref) "
"SELECT DISTINCT new.id, j.value FROM json_tree(new.content) as j WHERE "
"json_valid(new.content) AND j.value LIKE '&%.sha256' "
"ON CONFLICT DO NOTHING; END");
_tf_ssb_db_exec(db, "DROP TRIGGER IF EXISTS blobs_ad_refs");
_tf_ssb_db_exec(db, "CREATE TRIGGER IF NOT EXISTS blobs_ad_refs AFTER DELETE ON blobs BEGIN DELETE FROM blobs_refs WHERE blobs_refs.blob = old.id; END");
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS blobs_refs_blob_idx ON blobs_refs (blob)");
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS blobs_refs_ref_idx ON blobs_refs (ref)");
_tf_ssb_db_exec(db, "DROP VIEW IF EXISTS blob_wants_view");
_tf_ssb_db_exec(db,
"CREATE VIEW IF NOT EXISTS blob_wants_view (id, timestamp) AS "
" WITH wanted AS ( "
" WITH RECURSIVE "
" wanted1 AS ( "
" SELECT messages_refs.ref AS id, messages.timestamp AS timestamp "
" FROM messages_refs "
" JOIN messages ON messages.id = messages_refs.message "
@ -271,6 +301,11 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
" FROM messages_refs "
" JOIN messages ON messages.id = messages_refs.message "
" WHERE messages.content ->> 'type' = 'about' "
" ), "
" wanted(id, timestamp) AS ( "
" SELECT wanted1.id AS id, wanted1.timestamp AS timestamp FROM wanted1 "
" UNION "
" SELECT br.ref AS id, wanted.timestamp AS timestamp FROM wanted JOIN blobs_refs br ON br.blob = wanted.id "
" ) "
" SELECT wanted.id, wanted.timestamp FROM wanted "
" LEFT OUTER JOIN blobs ON wanted.id = blobs.id "