cory/tildefriends
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Expose fts5.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3976 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2022-09-10 17:56:54 +00:00
parent 52f5bb408f
commit bb0a840dc6
2 changed files with 43 additions and 2 deletions
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1
Makefile
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@ -191,6 +191,7 @@ SQLITE_SOURCES := deps/sqlite/sqlite3.c
SQLITE_OBJS := $(call get_objs,SQLITE_SOURCES)
$(SQLITE_OBJS): CFLAGS += \
-DSQLITE_DBCONFIG_DEFAULT_DEFENSIVE \
-DSQLITE_ENABLE_FTS5 \
-DSQLITE_ENABLE_JSON1 \
-DSQLITE_MAX_LENGTH=5242880 \
-DSQLITE_MAX_SQL_LENGTH=100000 \

44
src/ssb.db.c
View File

@ -26,6 +26,32 @@ static void _tf_ssb_db_exec(sqlite3* db, const char* statement)
}
}
static bool _tf_ssb_db_has_rows(sqlite3* db, const char* query)
{
bool found = false;
sqlite3_stmt* statement = NULL;
if (sqlite3_prepare(db, query, -1, &statement, NULL) == SQLITE_OK)
{
int result = SQLITE_OK;
while ((result = sqlite3_step(statement)) == SQLITE_ROW)
{
found = true;
}
if (result != SQLITE_DONE)
{
printf("%s\n", sqlite3_errmsg(db));
abort();
}
sqlite3_finalize(statement);
}
else
{
printf("%s\n", sqlite3_errmsg(db));
abort();
}
return found;
}
void tf_ssb_db_init(tf_ssb_t* ssb)
{
sqlite3* db = tf_ssb_get_db(ssb);
@ -81,6 +107,18 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
")");
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS identities_user ON identities (user, public_key)");
if (!_tf_ssb_db_has_rows(db, "PRAGMA table_list('messages_fts')") ||
sqlite3_exec(db, "INSERT INTO messages_fts(messages_fts, rank) VALUES ('integrity-check', 1)", NULL, NULL, NULL) == SQLITE_CORRUPT_VTAB)
{
_tf_ssb_db_exec(db, "CREATE VIRTUAL TABLE IF NOT EXISTS messages_fts USING fts5(content, content=messages, content_rowid=rowid)");
printf("Populating full-text search...\n");
_tf_ssb_db_exec(db, "INSERT INTO messages_fts (rowid, content) SELECT rowid, content FROM messages");
printf("Done.\n");
}
_tf_ssb_db_exec(db, "CREATE TRIGGER IF NOT EXISTS messages_ai AFTER INSERT ON messages BEGIN INSERT INTO messages_fts(rowid, content) VALUES (new.rowid, new.content); END");
_tf_ssb_db_exec(db, "CREATE TRIGGER IF NOT EXISTS messages_ad AFTER DELETE ON messages BEGIN INSERT INTO messages_fts(messages_fts, rowid, content) VALUES ('delete', old.rowid, old.content); END");
bool need_add_sequence_before_author = true;
bool need_convert_timestamp_to_real = false;
@ -536,12 +574,14 @@ static int _tf_ssb_sqlite_authorizer(void* user_data, int action_code, const cha
strcmp(arg0, "blob_wants") == 0 ||
strcmp(arg0, "json_each") == 0 ||
strcmp(arg0, "messages") == 0 ||
strcmp(arg0, "messages_fts") == 0 ||
strcmp(arg0, "messages_fts_idx") == 0 ||
strcmp(arg0, "sqlite_master") == 0 ||
false)
? SQLITE_OK : SQLITE_DENY;
break;
case SQLITE_UPDATE:
return SQLITE_OK;
case SQLITE_PRAGMA:
return strcmp(arg0, "data_version") == 0 ? SQLITE_OK : SQLITE_DENY;
}
return SQLITE_DENY;
}