From 768916d753cbe9ff0fbcb2557435be54d8b7d5df Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Fri, 4 Jun 2004 04:09:40 +0000
Subject: [PATCH] This is a small fix in FAQ. It just clean up some old
comments and change an old -not-working piece of code.
---
doc/FAQ | 12 ++++++------
doc/src/FAQ/FAQ.html | 16 ++++++----------
2 files changed, 12 insertions(+), 16 deletions(-)
diff --git a/doc/FAQ b/doc/FAQ
index 4bdea83d119..29277550348 100644
--- a/doc/FAQ
+++ b/doc/FAQ
@@ -1,7 +1,7 @@
Frequently Asked Questions (FAQ) for PostgreSQL
- Last updated: Mon Mar 29 00:07:11 EST 2004
+ Last updated: Fri Jun 4 00:09:16 EDT 2004
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -965,11 +965,11 @@ BYTEA bytea variable-length byte array (null-byte safe)
all databases. If you want to change the OID to something else, or if
you want to make a copy of the table, with the original OIDs, there is
no reason you can't do it:
- CREATE TABLE new_table(old_oid oid, mycol int);
- SELECT old_oid, mycol INTO new FROM old;
- COPY new TO '/tmp/pgtable';
- DELETE FROM new;
- COPY new WITH OIDS FROM '/tmp/pgtable';
+ CREATE TABLE new_table(mycol int);
+ SELECT oid AS old_oid, mycol INTO tmp_table FROM old_table;
+ COPY tmp_table TO '/tmp/pgtable';
+ COPY new_table WITH OIDS FROM '/tmp/pgtable';
+ DROP TABLE tmp_table;
OIDs are stored as 4-byte integers, and will overflow at 4 billion. No
one has reported this ever happening, and we plan to have the limit
diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html
index 326705ef806..8710360609d 100644
--- a/doc/src/FAQ/FAQ.html
+++ b/doc/src/FAQ/FAQ.html
@@ -10,7 +10,7 @@
alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
- <P>Last updated: Thu May 6 10:22:34 EDT 2004</P>
+ <P>Last updated: Fri Jun 4 00:09:16 EDT 2004</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
@@ -1213,16 +1213,12 @@ BYTEA bytea variable-length byte array (null-byte safe)
of the table, with the original <SMALL>OID</SMALL>s, there is no
reason you can't do it:</P>
<PRE>
- CREATE TABLE new_table(old_oid oid, mycol int);
- SELECT old_oid, mycol INTO new FROM old;
- COPY new TO '/tmp/pgtable';
- DELETE FROM new;
- COPY new WITH OIDS FROM '/tmp/pgtable';
+ CREATE TABLE new_table(mycol int);
+ SELECT oid AS old_oid, mycol INTO tmp_table FROM old_table;
+ COPY tmp_table TO '/tmp/pgtable';
+ COPY new_table WITH OIDS FROM '/tmp/pgtable';
+ DROP TABLE tmp_table;
</PRE>
-<!--
- CREATE TABLE new_table (mycol int);
- INSERT INTO new_table (oid, mycol) SELECT oid, mycol FROM old_table;
--->
<P>O<SMALL>ID</SMALL>s are stored as 4-byte integers, and will
overflow at 4 billion. No one has reported this ever happening, and
we plan to have the limit removed before anyone does.</P>
--
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