In the documentation for DBD::mysql for the connect() method, there is the following: 

mysql_socket

As of MySQL 3.21.15, it is possible to choose the Unix socket that is used for connecting to the server. This is done, for example, with

    mysql_socket=/dev/mysql

Usually there's no need for this option, unless you are using another location for the socket than that built into the client.
(Untested, but) I believe setting this to path of your new socket may resolve your issue. (The documentation for mysql_read_default_file, located just above it, explaining why this may be the case.)

Hope that helps.

In reply to Re: DBI module not using new mysql.sock by atcroft
in thread DBI module not using new mysql.sock by rbholder

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