8000 Improve description of loread/lowrite. · sqlparser/postgres@0da76f3 · GitHub
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Improve description of loread/lowrite.
Patch by me, reviewed by Tatsuo Ishii.
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doc/src/sgml/lobj.sgml

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@@ -396,14 +396,10 @@ int lo_unlink(PGconn *conn, Oid lobjId);
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<para>
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There are server-side functions callable from SQL that correspond to
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each of the client-side functions described above(please note
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that the server side function
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for <function>lo_read</function> is <function>loread</function> and
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the server side function for <function>lo_write</function>
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is <function>lowrite</function>); indeed, for the most part the
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client-side functions are simply interfaces to the equivalent
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server-side functions. The ones that are actually useful to call
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via SQL commands are
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each of the client-side functions described above; indeed, for the
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most part the client-side functions are simply interfaces to the
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equivalent server-side functions. The ones that are actually useful
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to call via SQL commands are
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<function>lo_creat</function><indexterm><primary>lo_creat</></>,
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<function>lo_create</function><indexterm><primary>lo_create</></>,
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<function>lo_unlink</function><indexterm><primary>lo_unlink</></>,
@@ -445,6 +441,15 @@ SELECT lo_export(image.raster, '/tmp/motd') FROM image
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The client-side functions can be used by any
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<productname>PostgreSQL</productname> user.
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</para>
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<para>
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The functionality of <function>lo_read</function> and
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<function>lo_write</function> is also available via server-side calls,
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but the names of the server-side functions differ from the client side
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interfaces in that they do not contain underscores. You must call
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these functions as <function>loread</> and <function>lowrite</>.
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</para>
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</sect1>
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<sect1 id="lo-examplesect">

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