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Binary COPY Format</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A href="a29597" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN29593" >Trailer</A ></H1 ><P >The PostgreSQL binary file trailer is a single 16-bit integer with a value of <SPAN ><I CLASS="EMPHASIS" >-1</I ></SPAN >, followed by the end of the file. This is easily distinguishable from a tuple's initial 16-bit field-count, and can aid an application in staying in sync with the data.</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="x29561" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A href="book1" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A href="a29597" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Tuples</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A href="a29525" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Internal psql Variables</TD ></TR ></TABLE ></DIV ></BODY ></HTML > </div> <br /> <div id="thefineprint"> <a href="http://www.commandprompt.com/products/mammothpostgresql/"><img src="../images/powered_by_mammoth.gif" alt="Powered by Mammoth PostgreSQL" title="Powered by Mammoth PostgreSQL" border="0" /></a> <br /> Copyright © 2000-2007 Command Prompt, Inc. 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