Re: [sqlite] sqlite3_step performance degredation

2009-06-15 Thread Mike Borland
lieve it's a locking issue since my timer doesn't start until the query is successfully executed. Any ideas? Would the occasional write operation in the midst of these reads cause any permanent slow down to the read time? Thanks. Mike Borland -Original Message- From: Nuno Lucas [m

Re: [sqlite] sqlite3_step performance degredation

2009-06-12 Thread Mike Borland
cally call sqlite3_step() multiple times just to iterate rows? I happen to be binding the data in each row, but I thought that is optional. Mike Borland -Original Message- From: Simon Slavin [mailto:slav...@hearsay.demon.co.uk] Sent: Friday, June 12, 2009 6:00 PM To: General Discussion of SQLit

[sqlite] sqlite3_step performance degredation

2009-06-12 Thread Mike Borland
() takes less than a millisecond to run. After 0-50 iterations, it's taking anywhere from 10-100ms. Does anybody have any insight into what's happening behind the scenes with this function to help me track down the cause? I appreciate it! Mike Borland

[sqlite] Caching model and aging timeout

2009-06-05 Thread Mike Borland
on when and how the cache is flushed? Thanks, Mike Borland ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users

Re: [sqlite] PL/SQL in Sqlite?

2009-01-29 Thread Mike Borland
ent a fifo queue on my side to make sure that the writers obtained the lock in the order requested. Otherwise I saw cases where one thread kept getting the lock because it would finish its work and request the lock again before the other waiting threads completed their busy timeout sleep. Mi

[sqlite] Multi-thread concurrency problem

2009-01-16 Thread Mike Borland
the documentation seemed to indicate that it had some relationship to the shared cache mode. Would enabling the read_uncommited pragma ever result in invalid data being read from a table which is being written to? Thank for any help! Mike Borland CygNet Software, Inc. ___