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| author | Dean Rasheed <dean.a.rasheed@gmail.com> | 2017-07-06 09:58:06 +0100 |
|---|---|---|
| committer | Dean Rasheed <dean.a.rasheed@gmail.com> | 2017-07-06 09:58:06 +0100 |
| commit | c03911d9454a0cf5d88910ad46b433ab342c39e0 (patch) | |
| tree | 34f57852c176e71f9feceb4c2a19ce490338a8d1 /src/backend/access/gist/gist.c | |
| parent | ec86af917551f52246848dd148885df034273f3d (diff) | |
| download | postgresql-c03911d9454a0cf5d88910ad46b433ab342c39e0.tar.gz postgresql-c03911d9454a0cf5d88910ad46b433ab342c39e0.zip | |
Simplify the logic checking new range partition bounds.
The previous logic, whilst not actually wrong, was overly complex and
involved doing two binary searches, where only one was really
necessary. This simplifies that logic and improves the comments.
One visible change is that if the new partition overlaps multiple
existing partitions, the error message now always reports the overlap
with the first existing partition (the one with the lowest
bounds). The old code would sometimes report the clash with the first
partition and sometimes with the last one.
Original patch idea from Amit Langote, substantially rewritten by me.
Discussion: https://postgr.es/m/CAAJ_b947mowpLdxL3jo3YLKngRjrq9+Ej4ymduQTfYR+8=YAYQ@mail.gmail.com
Diffstat (limited to 'src/backend/access/gist/gist.c')
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