Roger,
Thursday, June 06, 2002, 12:08:13 PM, you wrote:

>> I just tried a multiple self join on 4.0.1 and got the following
>>
>> DBD::mysql::st execute failed: Too many tables. MySQL can only
>> use 31 tables in a join at ./x2.pl line 47.

RB> Me too, running 3.23.30-gamma on w2k:

mysql>> desc select * from
RB>     -> tab1 t1,tab1 t2,tab1 t3,tab1 t4...
RB> ERROR 1116: Too many tables. MySQL can only use 31 tables in a join

RB> So... is the crashme report wrong? Or was the limit really 32 in 3.22.39,
RB> got lowered to 31 in later versions (like 3.23.30-gamma), raised to 63 in
RB> version 3.23.39, and then lowered to 31 again (at least in versions 3.23.47
RB> and 4.0.1)...?

RB> <URL: http://www.mysql.com/crashme >

RB> (Select both mysql versions, submit, and search for "tables in join" on the
RB> result page.)

If you have 32 bit CPU you can use 31 tables in join. 63 tables with
64 bit CPU.

RB> --
RB> Roger




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