diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-06-08 16:22:44 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-06-08 16:22:44 +0000 |
| commit | a1fd650d2be769cdc0b163177b938e07ddad8ddb (patch) | |
| tree | 7a3e59feb5015ca5606021ed054cf2005fa218a2 /doc/src | |
| parent | 506183e485732e0e76cedb8db0e9ef514c34cba8 (diff) | |
Fix contrib/pageinspect to not create an ABI breakage between 8.3 and 8.4.
The original implementation of the 3-argument form of get_raw_page() risked
core dumps if the 8.3 SQL function definition was mistakenly used with the
8.4 module, which is entirely likely after a dump-and-reload upgrade. To
protect 8.4 beta testers against upgrade problems, add a check on PG_NARGS.
In passing, fix missed additions to the uninstall script, and polish the
docs a trifle.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/pageinspect.sgml | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/src/sgml/pageinspect.sgml b/doc/src/sgml/pageinspect.sgml index e510d202aa4..a81989a2a35 100644 --- a/doc/src/sgml/pageinspect.sgml +++ b/doc/src/sgml/pageinspect.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/pageinspect.sgml,v 1.5 2008/10/06 14:13:17 heikki Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/pageinspect.sgml,v 1.6 2009/06/08 16:22:44 tgl Exp $ --> <sect1 id="pageinspect"> <title>pageinspect</title> @@ -27,8 +27,9 @@ <function>get_raw_page</function> reads the specified block of the named table and returns a copy as a <type>bytea</> value. This allows a single time-consistent copy of the block to be obtained. - <literal>fork</literal> should be <literal>'main'</literal> for the main - data fork, or <literal>'fsm'</literal> for the FSM. + <replaceable>fork</replaceable> should be <literal>'main'</literal> for + the main data fork, or <literal>'fsm'</literal> for the free space map, + or <literal>'vm'</literal> for the visibility map. </para> </listitem> </varlistentry> @@ -40,8 +41,9 @@ <listitem> <para> - A shorthand of above, for reading from the main fork. Equal to - <literal>get_raw_page(relname, 0, blkno)</literal> + A shorthand version of <function>get_raw_page</function>, for reading + from the main fork. Equivalent to + <literal>get_raw_page(relname, 'main', blkno)</literal> </para> </listitem> </varlistentry> |