Michael Enke <michael.enke@xxxxxxxxxxxxxxxxxx> writes: > I updated pg_converion to set the condefault=false where I need it. Why are you needing to replace an existing default conversion? Do we have a bug in it? > pg_dumpall does NOT write that table out and therefore it is not possible to restore, this update get lost. pg_dump does not (and shouldn't) dump system-defined objects. It has no way to know that you modified the definition of such an object. > Why can not the "CREATE DEFAULT CONVERSION ..." > a) return with an error if there is another default conversion existing or AFAICS it does. regards, tom lane