Change storage format of existing data

[Rich Shepard]

On Sat, 28 Jan 2017, John Ralls wrote:

> apt-get install libdbd-sqlite3 libdbd-mysql libdbd-pgsql

John,

   Thanks for the above. Looking for a slackware solution led me to
<https://wiki.gnucash.org/wiki/Slackware#Requirements>, specifically to the
section "Slack 14.1 + GnuCash 2.6.X" where I learned that the SlackBuild
script requires --enable-dbi as a configuration option.

   That option is not in the default script (neither is --disable-dbi), so I
added it, rebuilt, and reinstalled 2.6.15.

   With my existing file there's still no postgres option displayed in the
Save as dialog.

   Are data file format options available only when a file is created and not
retroactively?

Regards,

Rich