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Update FAQ_DEV.

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Bruce Momjian
2002-01-03 08:13:51 +00:00
parent 9c00d0de57
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doc/src/FAQ/FAQ_DEV.html
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@@ -12,7 +12,7 @@
<H1>Developer's Frequently Asked Questions (FAQ) for
PostgreSQL</H1>
<P>Last updated: Sat Dec 29 23:31:26 EST 2001</P>
<P>Last updated: Thu Jan 3 03:13:44 EST 2002</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
@@ -766,12 +766,12 @@
<I>pfree</I>() to allocate memory?</H3>
<P><I>palloc()</I> and <I>pfree()</I> are used in place of malloc()
and free() because we automatically free all memory allocated when
a transaction completes. This makes it easier to make sure we free
memory that gets allocated in one place, but only freed much later.
There are several contexts that memory can be allocated in, and
this controls when the allocated memory is automatically freed by
the backend.</P>
and free() because we find it easier to automatically free all
memory allocated when a query completes. This assures us that all
memory that was allocated gets freed even if we have lost track of
where we allocated it. There are special non-query contexts that
memory can be allocated in. These affect when the allocated memory
is freed by the backend.</P>
<H3><A name="2.6">2.6</A>) What is elog()?</H3>