Re: Terms.
От | Bruce Momjian |
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Тема | Re: Terms. |
Дата | |
Msg-id | 201009201529.o8KFTLQ18950@momjian.us обсуждение исходный текст |
Ответ на | Re: Terms. (Robert Haas <robertmhaas@gmail.com>) |
Ответы |
Re: Terms.
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Список | pgsql-docs |
Robert Haas wrote: > With respect to PQnfields() vs. PQftablecol(), I think the word > "fields" is being used to refer to the columns of the result set, and > the word "columns" to refer to the columns of tables on the server. > So PQftablecol() is actually trying to tell you the number of the > table column where a particular "field" in the results came from. > This is sort of a subtle distinction, though, and the fact that > "field" is being abbreviated to "f" in some but not all cases doesn't > make it any more clear. PQftablecol() is really supposed to mean > "field-table-column" - i.e. look up the table column for this field. > But the name is definitely less than totally self-documenting. FYI, many of these function names date back to Berkeley. Libpq is called 'libpq' because of the original use of the QUEL query language, i.e. lib Post-QUEL. We have a proud backward-compatibility history with this library. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. +
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