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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2020-11-09 12:02:24 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2020-11-09 12:02:24 -0500 |
| commit | ca0c8ea6662e2bc7c730dca8eb33a0d5bc2b1e0b (patch) | |
| tree | b3bd9b060f6fb09a19832eb6b62f214884ca8183 /src/include/postgres_ext.h | |
| parent | a498db87be103f93856dd515a574b2d67d3c1237 (diff) | |
| download | postgresql-ca0c8ea6662e2bc7c730dca8eb33a0d5bc2b1e0b.tar.gz postgresql-ca0c8ea6662e2bc7c730dca8eb33a0d5bc2b1e0b.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/include/postgres_ext.h')
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