Looking through the source a bit I see sqlite3_busy_timeout is a no-fail
operation (aside from misuse) so sqlite3_busy_timeout(0);
SQLITE_CHECKPOINT_TRUNCATEsqlite3_busy_timeout(n); does what I need. Thanks
all.
- Howard
P.S. sqlite3_close intentionally doesn't respect journal_size_limit. From
sqlite3WalClose
}else if( pWal->mxWalSize>=0 ){
/* Try to truncate the WAL file to zero bytes if the checkpoint
** completed and fsynced (rc==SQLITE_OK) and we are in persistent
** WAL mode (bPersist) and if the PRAGMA journal_size_limit is a
** non-negative value (pWal->mxWalSize>=0). Note that we truncate
** to zero bytes as truncating to the journal_size_limit might
** leave a corrupt WAL file on disk. */
walLimitSize(pWal, 0);
}
That last comment "Note that we truncate..." is interesting. When would this
corrupt WAL rear its head?
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