On Tue, Apr 7, 2009 at 11:17 AM, Martijn Tonies <m.ton...@upscene.com>wrote:
> Alex, > > Please respond to the list instead of my personal address. sorry I thought i was. > > > > Nevertheless, if MYSQL_TYPE_LONG is the datatype for a table field, > it would always -have- to be the same size, cause different clients can > connect (if not being embedded), wouldn't it? Yes if 64bit clients and 32bit servers or 32bit clients and 64bit servers can talk to each other. Do they? I found it much too complicated to go that route for my client/server design. In my case the answer is no. > > With regards, > > Martijn Tonies > Upscene Productions > http://www.upscene.com > > Download Database Workbench for Oracle, MS SQL Server, Sybase SQL > Anywhere, MySQL, InterBase, NexusDB and Firebird! > > Database questions? Check the forum: > http://www.databasedevelopmentforum.com > > > > Hi Martijn, > > I made an embedded mysql server. The API for the clients to my server use > the standard mysql client C API. If clients pass bad pointers to the server > I don't want the server to crash. So the server knows about all valid mysql > connections. If a bad mysql pointer is passed in, it can detect that. So > when I save valid pointers when a connection is made I like to save it as a > MYSQL_TYPE_LONG. The client and the server has to run on similar type > machines. 64bit client with 64bit server and 32bit client with 32bit server, > no mismatch. The Long size in a 32bit machine is 4 bytes but in a 64bit > machine is 8 bytes. So I wanted to avoid conditionals for building for a > 64bit machine. > > > On Tue, Apr 7, 2009 at 10:49 AM, Martijn Tonies <m.ton...@upscene.com> > wrote: > > > > What is the size of MYSQL_TYPE_LONG in a 64bit machine? I am trying to > save > pointers. If this type is 4 bytes on a 32bit machine and 8 bytes on a > 64bit > machine will make it much easier. > > > > Ehm, wouldn't that like, totally fail if -saved- by a 64bit machine and > -read- by > a 32bit machine if that were the case? > > Perhaps you should explain in more detail what you're trying to do? > > With regards, > > Martijn Tonies > Upscene Productions > http://www.upscene.com > > Download Database Workbench for Oracle, MS SQL Server, Sybase SQL > Anywhere, MySQL, InterBase, NexusDB and Firebird! > > Database questions? Check the forum: > http://www.databasedevelopmentforum.com > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: > http://lists.mysql.com/mysql?unsub=alex.kat...@gmail.com > > > >
