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>SPI_getvalue</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN61690"
></A
><H2
>Name</H2
>SPI_getvalue&nbsp;--&nbsp;return the string value of the specified column</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN61695"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>char * SPI_getvalue(HeapTuple <TT
CLASS="PARAMETER"
>row</TT
>, TupleDesc <TT
CLASS="PARAMETER"
>rowdesc</TT
>, int <TT
CLASS="PARAMETER"
>colnumber</TT
>)</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN61700"
></A
><H2
>Description</H2
><P
>   <CODE
CLASS="FUNCTION"
>SPI_getvalue</CODE
> returns the string representation
   of the value of the specified column.
  </P
><P
>   The result is returned in memory allocated using
   <CODE
CLASS="FUNCTION"
>palloc</CODE
>.  (You can use
   <CODE
CLASS="FUNCTION"
>pfree</CODE
> to release the memory when you don't
   need it anymore.)
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN61707"
></A
><H2
>Arguments</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>HeapTuple <TT
CLASS="PARAMETER"
>row</TT
></TT
></DT
><DD
><P
>      input row to be examined
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>TupleDesc <TT
CLASS="PARAMETER"
>rowdesc</TT
></TT
></DT
><DD
><P
>      input row description
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>int <TT
CLASS="PARAMETER"
>colnumber</TT
></TT
></DT
><DD
><P
>      column number (count starts at 1)
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN61728"
></A
><H2
>Return Value</H2
><P
>   Column value, or <TT
CLASS="SYMBOL"
>NULL</TT
> if the column is null,
   <TT
CLASS="PARAMETER"
>colnumber</TT
> is out of range
   (<TT
CLASS="VARNAME"
>SPI_result</TT
> is set to
   <TT
CLASS="SYMBOL"
>SPI_ERROR_NOATTRIBUTE</TT
>), or no output function is
   available (<TT
CLASS="VARNAME"
>SPI_result</TT
> is set to
   <TT
CLASS="SYMBOL"
>SPI_ERROR_NOOUTFUNC</TT
>).
  </P
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