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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-01-06 01:20:40 +0000 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-01-06 01:20:40 +0000 |
| commit | d99e7b5a0dc15f86bc9a66de315bf5ed6f7c5271 (patch) | |
| tree | af8bd0251118601d39dbb04a1ded6956ed5c62cb /src | |
| parent | daec989f6a763c9353ba2912b92f5b03c0246c1f (diff) | |
| download | postgresql-d99e7b5a0dc15f86bc9a66de315bf5ed6f7c5271.tar.gz postgresql-d99e7b5a0dc15f86bc9a66de315bf5ed6f7c5271.zip | |
Add note explaining that a mergejoinable equality operator is now
required if a datatype is to be accepted by GROUP BY, DISTINCT, or
ORDER BY. This is documentation for code changes made pursuant to
pgsql-hackers discussion around 29-Nov-02.
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