On Oct 2, 2009, at 11:14 AM, Bruce Momjian wrote:

Well, if it is just changed syntax, we could wack around the system
catalogs.  If storage changes, we have to dump/reload that data type.

Andrew solved this problem for hstore by making the new version able to read the old representation. It will also update to the new representation when you update a value.

Best,

David

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