<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >SPI_gettype</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 8.0.11 Documentation" HREF="index.html"><LINK REL="UP" TITLE="Interface Support Functions" HREF="spi-interface-support.html"><LINK REL="PREVIOUS" TITLE="SPI_getbinval" HREF="spi-spi-getbinval.html"><LINK REL="NEXT" TITLE="SPI_gettypeid" HREF="spi-spi-gettypeid.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2007-02-02T03:57:22"></HEAD ><BODY CLASS="REFENTRY" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" >PostgreSQL 8.0.11 Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="spi-spi-getbinval.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="spi-spi-getbinval.html" >Fast Backward</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="spi-spi-gettypeid.html" >Fast Forward</A ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="top" ><A HREF="spi-spi-gettypeid.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SPI-SPI-GETTYPE" ></A >SPI_gettype</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN35696" ></A ><H2 >Name</H2 >SPI_gettype -- return the data type name of the specified column</DIV ><A NAME="AEN35699" ></A ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN35701" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >char * SPI_gettype(TupleDesc <TT CLASS="PARAMETER" >rowdesc</TT >, int <TT CLASS="PARAMETER" >colnumber</TT >)</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN35705" ></A ><H2 >Description</H2 ><P > <CODE CLASS="FUNCTION" >SPI_gettype</CODE > returns a copy of the data type name of the specified column. (You can use <CODE CLASS="FUNCTION" >pfree</CODE > to release the copy of the name when you don't need it anymore.) </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN35710" ></A ><H2 >Arguments</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><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="AEN35725" ></A ><H2 >Return Value</H2 ><P > The data type name of the specified column, or <TT CLASS="SYMBOL" >NULL</TT > on error. <TT CLASS="VARNAME" >SPI_result</TT > is set to <TT CLASS="SYMBOL" >SPI_ERROR_NOATTRIBUTE</TT > on error. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="spi-spi-getbinval.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="spi-spi-gettypeid.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SPI_getbinval</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="spi-interface-support.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SPI_gettypeid</TD ></TR ></TABLE ></DIV ></BODY ></HTML >