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Improve description of loread/lowrite.

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Patch by me, reviewed by Tatsuo Ishii.
This commit is contained in:
Robert Haas
2013-06-12 12:20:59 -04:00
parent ca97a8dff5
commit 6803921b54
1 changed files with 12 additions and 8 deletions
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doc/src/sgml/lobj.sgml
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@ -411,14 +411,10 @@ int lo_unlink(PGconn *conn, Oid lobjId);
<para> <para>
There are server-side functions callable from SQL that correspond to There are server-side functions callable from SQL that correspond to
each of the client-side functions described above(please note each of the client-side functions described above; indeed, for the
that the server side function most part the client-side functions are simply interfaces to the
for <function>lo_read</function> is <function>loread</function> and equivalent server-side functions. The ones that are actually useful
the server side function for <function>lo_write</function> to call via SQL commands are
is <function>lowrite</function>); indeed, for the most part the
client-side functions are simply interfaces to the equivalent
server-side functions. The ones that are actually useful to call
via SQL commands are
<function>lo_creat</function><indexterm><primary>lo_creat</></>, <function>lo_creat</function><indexterm><primary>lo_creat</></>,
<function>lo_create</function><indexterm><primary>lo_create</></>, <function>lo_create</function><indexterm><primary>lo_create</></>,
<function>lo_unlink</function><indexterm><primary>lo_unlink</></>, <function>lo_unlink</function><indexterm><primary>lo_unlink</></>,
@ -460,6 +456,14 @@ SELECT lo_export(image.raster, '/tmp/motd') FROM image
The client-side functions do not require superuser privilege. The client-side functions do not require superuser privilege.
</para> </para>
<para>
The functionality of <function>lo_read</function> and
<function>lo_write</function> is also available via server-side calls,
but the names of the server-side functions differ from the client side
interfaces in that they do not contain underscores. You must call
these functions as <function>loread</> and <function>lowrite</>.
</para>
</sect1> </sect1>
<sect1 id="lo-examplesect"> <sect1 id="lo-examplesect">