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Commit84317b0

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Fix documentation oversights about pageinspect and initialization fork.
The initialization fork was added in 9.1, but has not been taken intoconsideration in documents of get_raw_page function in pageinspect andstorage layout. This commit fixes those oversights.get_raw_page can read not only a table but also an index, etc. So itshould be documented that the function can read any relation. This commitalso fixes the document of pageinspect that way.Back-patch to 9.1 where those oversights existed.Vik Fearing, review by MauMau
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‎doc/src/sgml/pageinspect.sgml‎

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@@ -25,11 +25,12 @@
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<listitem>
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<para>
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<function>get_raw_page</function> reads the specified block of the named
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table and returns a copy as a <type>bytea</> value. This allows a
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relation and returns a copy as a <type>bytea</> value. This allows a
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single time-consistent copy of the block to be obtained.
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<replaceable>fork</replaceable> should be <literal>'main'</literal> for
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the main data fork, or <literal>'fsm'</literal> for the free space map,
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or <literal>'vm'</literal> for the visibility map.
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the main data fork, <literal>'fsm'</literal> for the free space map,
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<literal>'vm'</literal> for the visibility map, or <literal>'init'</literal>
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for the initialization fork.
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</para>
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</listitem>
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</varlistentry>

‎doc/src/sgml/storage.sgml‎

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@@ -237,8 +237,8 @@ The <function>pg_relation_filepath()</> function shows the entire path
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as a substitute for remembering many of the above rules. But keep in
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mind that this function just gives the name of the first segment of the
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main fork of the relation &mdash; you may need to append a segment number
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and/or <literal>_fsm</>or <literal>_vm</> to find all the files associated
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with the relation.
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and/or <literal>_fsm</>, <literal>_vm</>,or <literal>_init</> to find all
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the files associatedwith the relation.
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</para>
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<para>

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