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authorTom Lane <tgl@sss.pgh.pa.us>2015-12-28 12:09:00 -0500
committerTom Lane <tgl@sss.pgh.pa.us>2015-12-28 12:09:00 -0500
commit54aaafe95f65c95fd9ba085826af87d778c94613 (patch)
treeab82963c0bb588bac5abed06f5658c5fcad9b541 /src/backend/access/gist
parent870df2b3b77414a536d6533566628f11f8f309ec (diff)
downloadpostgresql-54aaafe95f65c95fd9ba085826af87d778c94613.tar.gz
postgresql-54aaafe95f65c95fd9ba085826af87d778c94613.zip
Document the exponentiation operator as associating left to right.
Common mathematical convention is that exponentiation associates right to left. We aren't going to change the parser for this, but we could note it in the operator's description. (It's already noted in the operator precedence/associativity table, but users might not look there.) Per bug #13829 from Henrik Pauli.
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