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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2017-08-29 09:34:21 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2017-08-29 09:34:21 -0400 |
| commit | 09ec0eb7a6e83aea8adb4522e92138974401cce3 (patch) | |
| tree | b3bf5309651d4e5d6e85549c12a000df156942d2 /src | |
| parent | 2ff326dc4410c283515237cf311358afb9845912 (diff) | |
| download | postgresql-09ec0eb7a6e83aea8adb4522e92138974401cce3.tar.gz postgresql-09ec0eb7a6e83aea8adb4522e92138974401cce3.zip | |
Improve docs about numeric formatting patterns (to_char/to_number).
The explanation about "0" versus "9" format characters was confusing
and arguably wrong; the discussion of sign handling wasn't very good
either. Notably, while it's accurate to say that "FM" strips leading
zeroes in date/time values, what it really does with numeric values
is to strip *trailing* zeroes, and then only if you wrote "9" rather
than "0". Per gripes from Erwin Brandstetter.
Discussion: https://postgr.es/m/CAGHENJ7jgRbTn6nf48xNZ=FHgL2WQ4X8mYsUAU57f-vq8PubEw@mail.gmail.com
Discussion: https://postgr.es/m/CAGHENJ45ymd=GOCu1vwV9u7GmCR80_5tW0fP9C_gJKbruGMHvQ@mail.gmail.com
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