This section does not apply to MySQL Enterprise Server users.

MySQL uses quite a few open files. Because of this, you should add something like the following to your CONFIG.SYS file:

SET EMXOPT=-c -n -h1024

If you do not do this, you may encounter the following error:

File '
xxxx' not found (Errcode: 24)

When using MySQL with OS/2 Warp 3, FixPack 29 or above is required. With OS/2 Warp 4, FixPack 4 or above is required. This is a requirement of the Pthreads library. MySQL must be installed on a partition with a type that supports long filenames, such as HPFS, FAT32, and so on.

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The INSTALL.CMD script must be run from OS/2's own CMD.EXE and may not work with replacement shells such as 4OS2.EXE.

The scripts/mysql-install-db script has been renamed. It is called install.cmd and is a REXX script, which sets up the default MySQL security settings and creates the WorkPlace Shell icons for MySQL.

Dynamic module support is compiled in but not fully tested. Dynamic modules should be compiled using the Pthreads runtime library.

gcc -Zdll -Zmt -Zcrtdll=pthrdrtl -I../include -I../regex -I.. \
    -o example udf_example.c -L../lib -lmysqlclient udf_example.def
mv example.dll example.udf

mysql> 
CREATE FUNCTION metaphon RETURNS STRING SONAME 'example.so';

In OS/2, the module would be named example.udf, but you would not specify the module extension:

mysql> 
CREATE FUNCTION metaphon RETURNS STRING SONAME 'example';