Add mention of OID wraparound.

This commit is contained in:
Bruce Momjian 2003-09-01 16:47:58 +00:00
parent 05f4b03b23
commit 2fb6e84bae
2 changed files with 6 additions and 4 deletions

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@ -1,7 +1,7 @@
Frequently Asked Questions (FAQ) for PostgreSQL
Last updated: Fri Aug 29 21:40:10 EDT 2003
Last updated: Mon Sep 1 12:47:42 EDT 2003
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@ -916,7 +916,8 @@ BYTEA bytea variable-length byte array (null-byte safe)
Finally, you could use the OID returned from the INSERT statement to
look up the default value, though this is probably the least portable
approach. In Perl, using DBI with Edmund Mergl's DBD::Pg module, the
approach, and the oid value will wrap around when it reaches 4
billion. In Perl, using DBI with Edmund Mergl's DBD::Pg module, the
oid value is made available via $sth->{pg_oid_status} after
$sth->execute().

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@ -10,7 +10,7 @@
alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
<P>Last updated: Fri Aug 29 21:40:10 EDT 2003</P>
<P>Last updated: Mon Sep 1 12:47:42 EDT 2003</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
@ -1152,7 +1152,8 @@ BYTEA bytea variable-length byte array (null-byte safe)
Finally, you could use the <A href="#4.16"><SMALL>OID</SMALL></A>
returned from the <SMALL>INSERT</SMALL> statement to look up the
default value, though this is probably the least portable approach.
default value, though this is probably the least portable approach,
and the oid value will wrap around when it reaches 4 billion.
In Perl, using DBI with Edmund Mergl's DBD::Pg module, the oid
value is made available via <I>$sth-&gt;{pg_oid_status}</I> after
<I>$sth-&gt;execute()</I>.