<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Error numbers</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Database Independent Abstraction Layer for C" HREF="index.html"><LINK REL="UP" TITLE="Error Handling" HREF="errorhandling.html"><LINK REL="PREVIOUS" TITLE="Connection error numbers and messages" HREF="connerrors.html"><LINK REL="NEXT" TITLE="Transactions and Savepoints" HREF="transactions-savepoints.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Database Independent Abstraction Layer for C: libdbi Programmer's Guide</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="connerrors.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 4. Error Handling</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="transactions-savepoints.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="ERRORNUMBERS" >4.2. Error numbers</A ></H1 ><P ><A HREF="reference-conn.html#DBI-CONN-ERROR" >dbi_conn_error</A > returns DBI_ERROR_NONE (internally 0) if the last operation was successful, and a nonzero value if not. Client library errors use positive error numbers, whereas libdbi errors use negative error numbers as listed in the following table:</P ><DIV CLASS="TABLE" ><A NAME="AEN366" ></A ><P ><B >Table 4-1. libdbi error numbers</B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >value</TH ><TH >description</TH ></TR ></THEAD ><TBODY ><TR ><TD >DBI_ERROR_USER</TD ><TD >This indicates an error status set by the application itself, see <A HREF="reference-conn.html#DBI-CONN-SET-ERROR" >dbi_conn_set_error</A ></TD ></TR ><TR ><TD >DBI_ERROR_BADOBJECT</TD ><TD >invalid connection or result structure</TD ></TR ><TR ><TD >DBI_ERROR_BADTYPE</TD ><TD >the accessor function does not match the actual column type</TD ></TR ><TR ><TD >DBI_ERROR_BADIDX</TD ><TD >out-of-range index</TD ></TR ><TR ><TD >DBI_ERROR_BADNAME</TD ><TD >incorrect column or option name</TD ></TR ><TR ><TD >DBI_ERROR_UNSUPPORTED</TD ><TD >feature not supported by driver</TD ></TR ><TR ><TD >DBI_ERROR_NOCONN</TD ><TD >no valid connection</TD ></TR ><TR ><TD >DBI_ERROR_NOMEM</TD ><TD >out of memory</TD ></TR ><TR ><TD >DBI_ERROR_BADPTR</TD ><TD >invalid pointer</TD ></TR ><TR ><TD >DBI_ERROR_NONE</TD ><TD >no error occurred</TD ></TR ><TR ><TD >DBI_ERROR_CLIENT</TD ><TD >client library error</TD ></TR ></TBODY ></TABLE ></DIV ></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="connerrors.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="transactions-savepoints.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Connection error numbers and messages</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="errorhandling.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Transactions and Savepoints</TD ></TR ></TABLE ></DIV ></BODY ></HTML >