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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 | d4fb509d07c36e1839ba2a1c0d00ff18606937f6 (patch) | |
| tree | 51bc4c8ee28bebe975218ca53f8e7ad2d3d9da6d /src/tutorial/advanced.source | |
| parent | 12fd81cb7fab49ba0a5f004596e52271275deec0 (diff) | |
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/tutorial/advanced.source')
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