I thought people may be interested to know what the PBMS patch
for MySQL actually patches, in case they should think this is a
major hack into the MySQL source code.
Almost all of the patch consists of the PBMS daemon source code which is added to the "storage/pbms" folder in the MySQL source code tree. Other than that here is a list of the actual MySQL files touched and what the patch is for:
Added PBMS source directories to the header file search list.
Lines added: 1.
Added PBMS server side API …