On Jul 15, 2010, at 8:35 PM, Yoav Apter wrote: > Hi > > We are building a Windows application using a read-only Sqlite > database. When executing many queries in a short time, we sometimes > get SQLITE_CANTOPEN from sqlite3_step. Checking GetLastError gives > us error code 123: The filename, directory name, or volume label > syntax is incorrect. If we open the database in read-write mode this > problem is not reproduced. > > This is the only application accessing the database and only from a > single thread (although the application has other threads). > > Using ProcMon we notice that when this happens, Sqlite is trying to > open a new file with a gibberish name which explains the OS error. > At what time does sqlite3_step needs top open a file (considering > the database is opened in read-only mode?) what can explain the > weird file name?
Points 4, 5 and 6: http://www.sqlite.org/tempfiles.html See also "PRAGMA temp_store" and SQLITE_TEMP_STORE: http://www.sqlite.org/pragma.html#pragma_temp_store http://www.sqlite.org/compile.html#temp_store _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
