Why is this treated as a a single transaction? Sreekumar On Feb 6, 2012 6:27 PM, "Igor Tandetnik" <itandet...@mvps.org> wrote:
> Sreekumar TP <sreekumar...@gmail.com> wrote: > > I have a nested transaction as follows - > > > > sqlite3_prepare_v2(db, stmt1..) > > sqlite3_prepare_v2(db, stmt2..) > > > > sqlite3_step(stmt1) > > sqlite3_step(stmt2) > > sqlite3_reset(stmt2) > > sqlite3_step(stmt1) > > There is only one transaction here - an implicit one, started by > sqlite3_step(stmt1). > > > (1) SQLITE , as I understand does not support nested transaction > > Correct. > > > hence the > > the above statement should have caused error > > Should not. The conclusion doesn't follow from the premise. > > > (2) A transaction is complete only when sqlite3_reset is called. > > To be precise, an implicit transaction is committed when there are no more > outstanding statements on a connection, that is, when the last active > statement is reset or finalized. See > > http://sqlite.org/lang_transaction.html > > in particular the part about implicit transactions. > > > Hence the > > sqlite3_step(stmt2) should have returned a "database locked" error. > > Should not. The conclusion doesn't follow from the premise. > > > Is SQLITE doing something under the hood ? > > SQLite is doing a lot under the hood. Is there anything in particular > you'd like to know about? > -- > Igor Tandetnik > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
