This is the file UPGRADE.mod_sql.

For most users of mod_sql, the upgrade from mod_sql/3.x to mod_sql/4.x
will require a change in their proftpd.conf.  Many directives have
been removed entirely and some directives have changed in scope.

Please read the README.mod_sql file that comes with this release, and
the changelog at:

http://www.lastditcheffort.org/~aah/proftpd/mod_sql/

Briefly, if your proftpd.conf uses *any* of the following directives,
you will need to change your proftpd.conf:

Original Directive                 Replaced With

------------------                 -------------

MySQLInfo                          SQLConnectInfo
PostgresInfo                       SQLConnectInfo
PostgresPort                       SQLConnectInfo
SQLAuthoritative                   SQLAuthenticate
SQLDoAuth                          SQLAuthenticate
SQLDoGroupAuth                     SQLAuthenticate
SQLEmptyPasswords                  SQLAuthTypes
SQLEncryptedPasswords              SQLAuthTypes
SQLGidField                        SQLUserInfo
SQLGroupGIDField                   SQLGroupInfo
SQLGroupMembersField               SQLGroupInfo
SQLGroupTable                      SQLGroupInfo
SQLGroupnameField                  SQLGroupInfo
SQLHomedir                         SQLDefaultHomedir
SQLHomedirField                    SQLUserInfo
SQLKey                             SQLUserWhereClause
SQLKeyField                        SQLUserWhereClause
SQLLogDirs                         SQLLog
SQLLogHits                         SQLLog
SQLLogHosts                        SQLLog
SQLLogStats                        SQLRatioStats
SQLLoginCountField                 SQLLog
SQLPasswordField                   SQLUserInfo
SQLPlaintextPasswords              SQLAuthTypes
SQLProcessPwEnt                    SQLAuthenticate
SQLProcessGrEnt                    SQLAuthenticate
SQLSSLHashedPasswords              SQLAuthTypes
SQLScrambledPasswords              SQLAuthTypes
SQLShellField                      SQLUserInfo
SQLUidField                        SQLUserInfo
SQLUserTable                       SQLUserInfo
SQLUsernameField                   SQLUserInfo
SQLWhereClause                     SQLUserWhereClause

And finally, you may want to check the README for information on the
following new directives:

SQLAuthenticate
SQLGroupInfo
SQLNamedQuery
SQLShowInfo
SQLUserInfo
