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NAME="SPI-SPI-IS-CURSOR-PLAN"
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>SPI_is_cursor_plan</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN65062"
></A
><H2
>Name</H2
>SPI_is_cursor_plan&nbsp;--&nbsp;return <TT
CLASS="SYMBOL"
>true</TT
> if a statement
  prepared by <CODE
CLASS="FUNCTION"
>SPI_prepare</CODE
> can be used with
  <CODE
CLASS="FUNCTION"
>SPI_cursor_open</CODE
></DIV
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CLASS="REFSYNOPSISDIV"
><A
NAME="AEN65068"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>bool SPI_is_cursor_plan(SPIPlanPtr <TT
CLASS="PARAMETER"
>plan</TT
>)</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN65071"
></A
><H2
>Description</H2
><P
>   <CODE
CLASS="FUNCTION"
>SPI_is_cursor_plan</CODE
> returns <TT
CLASS="SYMBOL"
>true</TT
>
   if a statement prepared by <CODE
CLASS="FUNCTION"
>SPI_prepare</CODE
> can be passed
   as an argument to <CODE
CLASS="FUNCTION"
>SPI_cursor_open</CODE
>, or
   <TT
CLASS="SYMBOL"
>false</TT
> if that is not the case. The criteria are that the
   <TT
CLASS="PARAMETER"
>plan</TT
> represents one single command and that this
   command returns tuples to the caller; for example, <TT
CLASS="COMMAND"
>SELECT</TT
>
   is allowed unless it contains an <TT
CLASS="LITERAL"
>INTO</TT
> clause, and
   <TT
CLASS="COMMAND"
>UPDATE</TT
> is allowed only if it contains a <TT
CLASS="LITERAL"
>RETURNING</TT
>
   clause.
  </P
></DIV
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><A
NAME="AEN65084"
></A
><H2
>Arguments</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>SPIPlanPtr <TT
CLASS="PARAMETER"
>plan</TT
></TT
></DT
><DD
><P
>      prepared statement (returned by <CODE
CLASS="FUNCTION"
>SPI_prepare</CODE
>)
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN65094"
></A
><H2
>Return Value</H2
><P
>    <TT
CLASS="SYMBOL"
>true</TT
> or <TT
CLASS="SYMBOL"
>false</TT
> to indicate if the
    <TT
CLASS="PARAMETER"
>plan</TT
> can produce a cursor or not, with
    <TT
CLASS="VARNAME"
>SPI_result</TT
> set to zero.
    If it is not possible to determine the answer (for example,
    if the <TT
CLASS="PARAMETER"
>plan</TT
> is <TT
CLASS="SYMBOL"
>NULL</TT
> or invalid,
    or if called when not connected to SPI), then
    <TT
CLASS="VARNAME"
>SPI_result</TT
> is set to a suitable error code
    and <TT
CLASS="SYMBOL"
>false</TT
> is returned.
  </P
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