On Wed, May 23, 2012 at 2:05 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Robert Haas robertmh...@gmail.com writes:
Since we haven't actually released spgist yet, I'm wondering if it
should be revised to look more like btree and hash - that is, add a
32-bit version number immediately following the magic number. All
experience hath shown that it is often much more work to add such
things later.
With the beta already out, I think we have released it, for some
admittedly-small value of released. I think it's too late to make
non-pg_upgrade-able changes on mere speculation that they might be a
good idea.
In any case, I would've expected we'd end up changing all these page
formats if we go over to your concept of a metapage for everything.
Fixing indexes that already have some kind of metapage will surely be
trivial compared to fixing heaps.
I thought you might say that, but I thought I'd ask just in case.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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