Frequently Asked Questions (FAQ) for PostgreSQL
- Last updated: Mon Feb 14 23:03:15 EST 2005
+ Last updated: Mon Feb 14 23:35:09 EST 2005
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
4.17) How do I perform an outer join?
4.18) How do I perform queries using multiple databases?
4.19) How do I return multiple rows or columns from a function?
- 4.20) Why can't I reliably create/drop temporary tables in PL/PgSQL
- functions?
+ 4.20) Why do I get "missing oid" errors when accessing temporary
+ tables in PL/PgSQL functions?
4.21) What encryption options are available?
Extending PostgreSQL
It is easy using set-returning functions,
http://techdocs.postgresql.org/guides/SetReturningFunctions.
- 4.20) Why can't I reliably create/drop temporary tables in PL/PgSQL
- functions?
+ 4.20) Why do I get "missing oid" errors when accessing temporary tables in
+ PL/PgSQL functions?
PL/PgSQL caches function scripts, and an unfortunate side effect is
that if a PL/PgSQL function accesses a temporary table, and that table
alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
- <P>Last updated: Mon Feb 14 23:03:15 EST 2005</P>
+ <P>Last updated: Mon Feb 14 23:35:09 EST 2005</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)
databases?<BR>
<A href="#4.19">4.19</A>) How do I return multiple rows or columns
from a function?<BR>
- <A href="#4.20">4.20</A>) Why can't I reliably create/drop
- temporary tables in PL/PgSQL functions?<BR>
+ <A href="#4.20">4.20</A>) Why do I get "missing oid" errors when
+ accessing temporary tables in PL/PgSQL functions?<BR>
<A href="#4.21">4.21</A>) What encryption options are available?<BR>
<a href="http://techdocs.postgresql.org/guides/SetReturningFunctions">
http://techdocs.postgresql.org/guides/SetReturningFunctions</a>.
- <H4><A name="4.20">4.20</A>) Why can't I reliably create/drop
- temporary tables in PL/PgSQL functions?</H4>
+ <H4><A name="4.20">4.20</A>) Why do I get "missing oid" errors when
+ accessing temporary tables in PL/PgSQL functions?</H4>
<P>PL/PgSQL caches function scripts, and an unfortunate side effect
is that if a PL/PgSQL function accesses a temporary table, and that