Sophie: ciao-1.10p8-3mdv2010.0 i586

ciao-1.10p8-3mdv2010.0.i586.rpm

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<H1><A NAME="SEC649" HREF="ciao_toc.html#TOC649">Types for the Low-level interface to SQL databases</A></H1>
<P>
<A NAME="IDX7314"></A>


<P>
<STRONG>Author(s):</STRONG> D. Cabeza, M. Carro, I. Caballero, and M. Hermenegildo..


<P>
<STRONG>Version:</STRONG> 1.10#7 (2006/4/26, 19:22:13 CEST)


<P>
<STRONG>Version of last change:</STRONG> 1.9#233 (2003/12/22, 18:8:26 CET)


<P>
This module implement the types for the low level interface to SQL databases



<UL>
<LI><A HREF="ciao_154.html#SEC650">Usage and interface (db_client_types)</A>
<LI><A HREF="ciao_154.html#SEC651">Documentation on exports (db_client_types)</A>
</UL>



<H2><A NAME="SEC650" HREF="ciao_toc.html#TOC650">Usage and interface (<CODE>db_client_types</CODE>)</A></H2>

<div class="cartouche">

<UL>

<LI><STRONG>Library usage:</STRONG>

<CODE>:- use_module(library(db_client_types)).</CODE>

<LI><STRONG>Exports:</STRONG>


<UL>

<LI><EM>Regular Types:</EM>

<A NAME="IDX7315"></A>
<CODE>socketname/1</CODE>, 
<A NAME="IDX7316"></A>
<CODE>dbname/1</CODE>, 
<A NAME="IDX7317"></A>
<CODE>user/1</CODE>, 
<A NAME="IDX7318"></A>
<CODE>passwd/1</CODE>, 
<A NAME="IDX7319"></A>
<CODE>answertableterm/1</CODE>, 
<A NAME="IDX7320"></A>
<CODE>tuple/1</CODE>, 
<A NAME="IDX7321"></A>
<CODE>answertupleterm/1</CODE>, 
<A NAME="IDX7322"></A>
<CODE>sqlstring/1</CODE>.

</UL>

</UL>

</div class="cartouche">



<H2><A NAME="SEC651" HREF="ciao_toc.html#TOC651">Documentation on exports (<CODE>db_client_types</CODE>)</A></H2>
<P>
<A NAME="IDX7323"></A>
<A NAME="IDX7324"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>socketname/1:</B>
<DD><A NAME="IDX7325"></A>



<PRE>
socketname(IPAddress:PortNumber) :-
        atm(IPAddress),
        int(PortNumber).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>socketname(IPP)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>IPP</CODE> is a structure describing a complete TCP/IP port address.

</UL>

</DL>

<P>
<A NAME="IDX7326"></A>
<A NAME="IDX7327"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>dbname/1:</B>
<DD><A NAME="IDX7328"></A>



<PRE>
dbname(DBId) :-
        atm(DBId).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>dbname(DBId)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>DBId</CODE> is the identifier of an database.

</UL>

</DL>

<P>
<A NAME="IDX7329"></A>
<A NAME="IDX7330"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>user/1:</B>
<DD><A NAME="IDX7331"></A>



<PRE>
user(User) :-
        atm(User).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>user(User)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>User</CODE> is a user name in the database.

</UL>

</DL>

<P>
<A NAME="IDX7332"></A>
<A NAME="IDX7333"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>passwd/1:</B>
<DD><A NAME="IDX7334"></A>



<PRE>
passwd(Passwd) :-
        atm(Passwd).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>passwd(Passwd)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>Passwd</CODE> is the password for the user name in the database.

</UL>

</DL>

<P>
<A NAME="IDX7335"></A>
<A NAME="IDX7336"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>answertableterm/1:</B>
<DD><A NAME="IDX7337"></A>


<P>
Represents the types of responses that will be returned from the database interface. These can be a set of answer tuples, or the atom <CODE>ok</CODE> in case of a successful addition or deletion.


<P>
<STRONG>Usage:</STRONG> <CODE>answertableterm(AT)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>AT</CODE> is a response from the database interface.

</UL>

</DL>

<P>
<A NAME="IDX7338"></A>
<A NAME="IDX7339"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>tuple/1:</B>
<DD><A NAME="IDX7340"></A>



<PRE>
tuple(T) :-
        list(T,atm).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>tuple(T)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>T</CODE> is a tuple of values from the database interface.

</UL>

</DL>

<P>
<A NAME="IDX7341"></A>
<A NAME="IDX7342"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>answertupleterm/1:</B>
<DD><A NAME="IDX7343"></A>



<PRE>
answertupleterm([]).
answertupleterm(tup(T)) :-
        tuple(T).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>answertupleterm(X)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>X</CODE> is a predicate containing a tuple.

</UL>

</DL>

<P>
<A NAME="IDX7344"></A>
<A NAME="IDX7345"></A>
<DL>
<DT><span class="define">REGTYPE:</span> <B>sqlstring/1:</B>
<DD><A NAME="IDX7346"></A>



<PRE>
sqlstring(S) :-
        string(S).
</PRE>

<P>
<STRONG>Usage:</STRONG> <CODE>sqlstring(S)</CODE>

<UL>
<LI><EM>Description:</EM> <CODE>S</CODE> is a string of SQL code.

</UL>

</DL>

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