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>pg_lo_export</H1
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><H2
>Name</H2
>pg_lo_export -- export a large object to a file</DIV
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><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>pg_lo_export <VAR
CLASS="PARAMETER"
>conn</VAR
> <VAR
CLASS="PARAMETER"
>loid</VAR
> <VAR
CLASS="PARAMETER"
>filename</VAR
></PRE
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><H2
>Description</H2
><P
> <CODE
CLASS="FUNCTION"
>pg_lo_export</CODE
> writes the specified large object
into a file.
</P
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><A
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><H2
>Arguments</H2
><P
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><DL
><DT
><VAR
CLASS="REPLACEABLE"
>conn</VAR
></DT
><DD
><P
> The handle of a connection to the database in which the large object
exists.
</P
></DD
><DT
><VAR
CLASS="REPLACEABLE"
>loid</VAR
></DT
><DD
><P
> The OID of the large object.
</P
></DD
><DT
><VAR
CLASS="REPLACEABLE"
>filename</VAR
></DT
><DD
><P
> Specifies the file into which the data is to be exported.
</P
></DD
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><A
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><H2
>Return Value</H2
><P
> Nothing. A Tcl error will be thrown if an error occurs.
</P
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><H2
>Notes</H2
><P
> All large object manipulation must take place within an SQL transaction
block.
</P
><P
> This command uses or emulates the <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
<SPAN
CLASS="APPLICATION"
>libpq</SPAN
>
function <CODE
CLASS="FUNCTION"
>lo_export</CODE
>.
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