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authorRobert Haas2013-06-12 16:20:59 +0000
committerRobert Haas2013-06-12 16:20:59 +0000
commitc1d729b419ee876c32ddf4ac3a85fa89a6b4a89b (patch)
treeaa34aeb39dd0ecd1cac07c9b54e2c6cea5a62ce1 /doc/src/sgml/lobj.sgml
parente262755bfc97f31442cc0def8098b1a7d2913355 (diff)
Improve description of loread/lowrite.
Patch by me, reviewed by Tatsuo Ishii.
Diffstat (limited to 'doc/src/sgml/lobj.sgml')
-rw-r--r--doc/src/sgml/lobj.sgml20
1 files changed, 12 insertions, 8 deletions
diff --git a/doc/src/sgml/lobj.sgml b/doc/src/sgml/lobj.sgml
index 6dbc84c03ec..dcd5e82580d 100644
--- a/doc/src/sgml/lobj.sgml
+++ b/doc/src/sgml/lobj.sgml
@@ -527,14 +527,10 @@ int lo_unlink(PGconn *conn, Oid lobjId);
<para>
There are server-side functions callable from SQL that correspond to
- each of the client-side functions described above(please note
- that the server side function
- for <function>lo_read</function> is <function>loread</function> and
- the server side function for <function>lo_write</function>
- 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
+ each of the client-side functions described above; 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_create</function><indexterm><primary>lo_create</></>,
<function>lo_unlink</function><indexterm><primary>lo_unlink</></>,
@@ -576,6 +572,14 @@ SELECT lo_export(image.raster, '/tmp/motd') FROM image
The client-side functions do not require superuser privilege.
</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 id="lo-examplesect">