Re: libpq - description of columns
От | Ron Johnson |
---|---|
Тема | Re: libpq - description of columns |
Дата | |
Msg-id | 1022169833.22629.12.camel@rebel обсуждение исходный текст |
Ответ на | Re: libpq - description of columns (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-interfaces |
On Thu, 2002-05-23 at 09:26, Tom Lane wrote: > Christian Gregoire <cgregoir99@yahoo.com> writes: > > Using '\d TABLENAME', psql gives me > > character(15) > > for a column, when libpq API PQfsize returns -1 for > > the same column, whereas -1 should only indicate > > fields with variable size (like TEXT i guess). Any > > idea ? > > Yes, char(N) is considered a variable-length type. (Think about > multibyte encodings to see why this must be so.) psql is looking So it is only to the "user" that pg says "char() is fixed-length"? -- +---------------------------------------------------------+ | Ron Johnson, Jr. Home: ron.l.johnson@cox.net | | Jefferson, LA USA http://ronandheather.dhs.org:81 | | | | "I have created a government of whirled peas..." | | Maharishi Mahesh Yogi, 12-May-2002, | ! CNN, Larry King Live | +---------------------------------------------------------+
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