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15.3. Creating Storage Engine Source Files

The easiest way to implement a new storage engine is to begin by copying and modifying the EXAMPLE storage engine. The files ha_example.cc and ha_example.h can be found in the storage/example directory of the MySQL 5.1 source tree. For instructions on how to obtain the 5.1 source tree, see Section 2.8.3, “Installing from the Development Source Tree”.

When copying the files, change the names from ha_example.cc and ha_example.h to something appropriate to your storage engine, such as ha_foo.cc and ha_foo.h.

After you have copied and renamed the files you must replace all instances of EXAMPLE and example with the name of your storage engine. If you are familiar with sed, these steps can be done automatically (in this example, the name of your storage engine would be “FOO”):

sed s/EXAMPLE/FOO/g ha_example.h | sed s/example/foo/g ha_foo.h
sed s/EXAMPLE/FOO/g ha_example.cc | sed s/example/foo/g ha_foo.cc

 
 
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