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ssb: Add a lookup table of max sequence and timestamp per account.f
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Cory McWilliams
2025-01-22 19:19:50 -05:00
parent c7a8ce7060
commit c728e05032
4 changed files with 27 additions and 22 deletions
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19
src/ssb.db.c
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@ -108,6 +108,20 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
" flags INTEGER,"
" UNIQUE(author, sequence)"
")");
_tf_ssb_db_exec(db,
"CREATE TABLE IF NOT EXISTS messages_stats ("
" author TEXT PRIMARY KEY,"
" max_sequence INTEGER,"
" max_timestamp READ"
")");
_tf_ssb_db_exec(db,
"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, excluded.max_sequence), max_timestamp = MAX(max_timestamp, "
"excluded.max_timestamp); END");
_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");
_tf_ssb_db_exec(db, "INSERT OR REPLACE INTO messages_stats (author, max_sequence, max_timestamp) SELECT author, MAX(sequence), MAX(timestamp) FROM messages GROUP BY author");
if (_tf_ssb_db_has_rows(db, "SELECT name FROM pragma_table_info('messages') WHERE name = 'content' AND type == 'TEXT'"))
{
@ -987,8 +1001,9 @@ int tf_ssb_sqlite_authorizer(void* user_data, int action_code, const char* arg0,
break;
case SQLITE_READ:
result = (strcmp(arg0, "blob_wants_view") == 0 || strcmp(arg0, "json_each") == 0 || strcmp(arg0, "json_tree") == 0 || strcmp(arg0, "messages") == 0 ||
strcmp(arg0, "messages_fts") == 0 || strcmp(arg0, "messages_fts_idx") == 0 || strcmp(arg0, "messages_fts_config") == 0 || strcmp(arg0, "messages_refs") == 0 ||
strcmp(arg0, "messages_refs_message_idx") == 0 || strcmp(arg0, "messages_refs_ref_idx") == 0 || strcmp(arg0, "sqlite_master") == 0 || false)
strcmp(arg0, "messages_stats") == 0 || strcmp(arg0, "messages_fts") == 0 || strcmp(arg0, "messages_fts_idx") == 0 ||
strcmp(arg0, "messages_fts_config") == 0 || strcmp(arg0, "messages_refs") == 0 || strcmp(arg0, "messages_refs_message_idx") == 0 ||
strcmp(arg0, "messages_refs_ref_idx") == 0 || strcmp(arg0, "sqlite_master") == 0 || false)
? SQLITE_OK
: SQLITE_DENY;
break;