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| author | David Rowley <drowley@postgresql.org> | 2020-11-24 11:29:28 +1300 |
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| committer | David Rowley <drowley@postgresql.org> | 2020-11-24 11:29:28 +1300 |
| commit | 697e1d02f53f985992a4f479b0b08fca5c272c6c (patch) | |
| tree | 4e5cf5d43395338179f36c790c6137a8e9e34c75 /src/backend/access/transam/xlogutils.c | |
| parent | 3b9b01f75d6e2d7bf9e0bf8ec958ce420aa037c2 (diff) | |
| download | postgresql-697e1d02f53f985992a4f479b0b08fca5c272c6c.tar.gz postgresql-697e1d02f53f985992a4f479b0b08fca5c272c6c.zip | |
Define pg_attribute_cold and pg_attribute_hot macros
For compilers supporting __has_attribute and __has_attribute (hot/cold).
__has_attribute is supported on gcc >= 5, clang >= 2.9 and icc >= 17.
A followup commit will implement some usages of these macros.
Author: David Rowley
Reviewed-by: Andres Freund, Peter Eisentraut
Discussion: https://postgr.es/m/CAApHDvrVpasrEzLL2er7p9iwZFZ%3DJj6WisePcFeunwfrV0js_A%40mail.gmail.com
Diffstat (limited to 'src/backend/access/transam/xlogutils.c')
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