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Fix failure to follow the directions when "init" fork was added.

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Specifically this commit updates forkname_to_number() so that the HINT
message includes "init" fork, and also adds the description of "init" fork
into pg_relation_size() document.

This is a part of the commit 2d00190495b22e0d0ba351b2cda9c95fb2e3d083
which has fixed the same oversight in master and 9.4. Back-patch to
9.1 where "init" fork was added.
This commit is contained in:
Fujii Masao 2014-08-11 23:19:23 +09:00
parent 84317b0720
commit 054fc30965
2 changed files with 9 additions and 2 deletions
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8
doc/src/sgml/func.sgml
View File

@ -14991,7 +14991,7 @@ postgres=# SELECT * FROM pg_xlogfile_name_offset(pg_stop_backup());
<entry><type>bigint</type></entry>
<entry>
Disk space used by the specified fork (<literal>'main'</literal>,
<literal>'fsm'</literal> or <literal>'vm'</>)
<literal>'fsm'</literal>, <literal>'vm'</>, or <literal>'init'</>)
of the specified table or index
</entry>
</row>
@ -15125,6 +15125,12 @@ postgres=# SELECT * FROM pg_xlogfile_name_offset(pg_stop_backup());
(see <xref linkend="storage-vm">) associated with the relation.
</para>
</listitem>
<listitem>
<para>
<literal>'init'</literal> returns the size of the initialization fork,
if any, (see <xref linkend="storage-init">) associated with the relation.
</para>
</listitem>
</itemizedlist>
</para>

3
src/backend/catalog/catalog.c
View File

@ -75,7 +75,8 @@ forkname_to_number(char *forkName)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid fork name"),
errhint("Valid fork names are \"main\", \"fsm\", and \"vm\".")));
errhint("Valid fork names are \"main\", \"fsm\", "
"\"vm\", and \"init\".")));
return InvalidForkNumber; /* keep compiler quiet */
}