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ssb: Fix and test the messages_stats trigger.
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Cory McWilliams
2025-04-12 08:40:36 -04:00
parent 3f4738e593
commit 8104f6f228
4 changed files with 102 additions and 3 deletions
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11
src/ssb.db.c
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@ -150,9 +150,16 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
"CREATE TRIGGER IF NOT EXISTS messages_ai_stats AFTER INSERT ON messages BEGIN INSERT INTO messages_stats(author, max_sequence, max_timestamp) VALUES (new.author, "
"new.sequence, new.timestamp) ON CONFLICT DO UPDATE SET max_sequence = MAX(max_sequence, new.sequence), max_timestamp = MAX(max_timestamp, "
"new.timestamp); END");
_tf_ssb_db_exec(db, "DROP TRIGGER IF EXISTS messages_ad_stats");
_tf_ssb_db_exec(db,
"CREATE TRIGGER IF NOT EXISTS messages_ad_stats AFTER DELETE ON messages BEGIN UPDATE messages_stats SET max_sequence = (SELECT MAX(messages.sequence) FROM messages WHERE "
"messages.author = old.author), max_timestamp = (SELECT MAX(messages.timestamp) FROM messages WHERE messages.author = old.author); END");
"CREATE TRIGGER IF NOT EXISTS messages_ad_stats AFTER DELETE ON messages BEGIN "
"UPDATE messages_stats SET max_sequence = updated.sequence, max_timestamp = updated.timestamp "
"FROM ("
" SELECT COALESCE(MAX(messages.sequence), 0) AS sequence, COALESCE(MAX(messages.timestamp), 0) AS timestamp "
" FROM messages WHERE messages.author = old.author) AS updated "
"WHERE messages_stats.author = old.author; "
"DELETE FROM messages_stats WHERE messages_stats.author = old.author AND messages_stats.max_sequence = 0; "
"END");
if (_tf_ssb_db_has_rows(db, "SELECT name FROM pragma_table_info('messages') WHERE name = 'content' AND type == 'TEXT'"))
{