Simon Thanks very much for the direction
On 12 June 2013 17:32, Simon Davies <simon.james.dav...@gmail.com> wrote: > On 12 June 2013 16:50, e-mail mgbg25171 <mgbg25...@blueyonder.co.uk> > wrote: > > Tbank you in anticipation for any forthcoming advice > > I include my program below in Powerbasic (not disimilar to C) > > and wonder what I need to do in order to "wrap" > > multiple statements (which use prepare,step & finalise) as transactions? > > > . > . > . > . > > > > FUNCTION exec_sql( _ > > hDB AS DWORD, _ > > hD AS DWORD, _ > > BYVAL pzSql AS ASCIZ PTR, _ > > BYVAL pzErr_msg AS ASCIZ PTR _ > > ) AS LONG > > > > LOCAL lresult AS LONG > > LOCAL pzTail AS ASCIZ PTR > > LOCAL pzPrepared AS ASCIZ PTR > > LOCAL pzStmt AS ASCIZ PTR > > LOCAL azcols() AS ASCIZ PTR ' array of dword pointers to > > column name strings > > LOCAL azvals() AS ASCIZ PTR ' array of dword pointers to > > column values > > LOCAL ncols AS LONG ' the column count > > LOCAL nErmsg AS LONG > > LOCAL szErmsg AS ASCIZ * 512 > > LOCAL nRetry AS LONG > > LOCAL s AS STRING > > LOCAL i, l AS LONG > > > > lresult = %SQLITE_OK > > > > IF @pzSql = "" THEN > > FUNCTION = %SQLITE_OK > > EXIT FUNCTION ' called with null SQL statement > > END IF > > > > lresult = sqlite3_prepare( hDB, @pzSql, -1, pzPrepared, pzTail ) > > Your exec_sql function is passed multiple sql statements in a single > string, but you are only ever preparing the first statement. > > Reread http://www.sqlite.org/c3ref/prepare.html with particular focus on > pzTail > > . > . > . > > Regards, > Simon > _______________________________________________ > 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
