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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2020-11-09 12:02:24 -0500 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2020-11-09 12:02:24 -0500 |
| commit | 7b9cee45ad2ad8529826ef44061e0c4461911024 (patch) | |
| tree | 26787874fa7a89a6c65a2424726707faef3535d5 /src/backend/access/gist/gistutil.c | |
| parent | a54dfbee1f1bad431793968918bbb8541dc860a0 (diff) | |
| download | postgresql-7b9cee45ad2ad8529826ef44061e0c4461911024.tar.gz postgresql-7b9cee45ad2ad8529826ef44061e0c4461911024.zip | |
Doc: clarify data type behavior of COALESCE and NULLIF.
After studying the code, NULLIF is a lot more subtle than you might
have guessed.
Discussion: https://postgr.es/m/160486028730.25500.15740897403028593550@wrigleys.postgresql.org
Diffstat (limited to 'src/backend/access/gist/gistutil.c')
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