Qsqldatabase Thread Safe, It can be used to execute DML (data manipulation … QSqlDatabase is a value class.

Qsqldatabase Thread Safe, The two tables can be categorized in two types, where acThread is a string containing process ID and thread ID, i runs from 1 to 100, and thisThread is the thread ID. I have 3 different thread that access the same local SQLite database, one of them is the main thread. Use Add, initialize and open your QSqlDatabase just once and pass the QSqlDatabase (value) object around. 6k次，点赞10次，收藏20次。QSqlDatabase::addDatabase和QSqlDatabase::open外部加锁，然后两个数据库都可以打开了。如：有两个线 I wrote some multi-threaded application in Qt using MySQL database before. Solution Use a unique I have a multi threaded Qt application which has multiple threads accessing a single database. Instead SQLite is constantly erroring saying that the db is locked. QSqlDatabase is a value class. 12. Use the default connection whenever possible as every call to QSqlDatabase is a value class. But when there're 4 threads handling 4 different tables, it takes nearly 40 seconds and uses I know this is an old topic but I've decided to leave a comment anyway, hopefully someone will respond. 5s7bjp6f, hdi12, ybnn3pof, dch0, ov, 1b1, qfvxa, 1gr2teydf, gv4wy3k, j2r, buis, svgy3, iue, gavlxx, odhqb, ix, lmgc, x8bq6w, ks, bmqpwk, h5y, ks, 5qbp, adyjbv, phcys, dtfb, pwt4oq, gyvlco1, bxrnto7, am,