cql_hooks.pl

/*  Part of SWI-Prolog

    Author:        Mike Elston
                   Matt Lilley
    E-mail:        matt.s.lilley@gmail.com
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    Copyright (c)  2014, Mike Elston, Matt Lilley
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/*  PostgreSQL is a trademark of the PostgreSQL Global Development Group.
    Microsoft, SQL Server, and Windows are either registered trademarks or
    trademarks of Microsoft Corporation in the United States and/or other
    countries. SQLite is a registered trademark of Hipp, Wyrick & Company,
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    are the property of their respective owners.
*/

:-module(cql_hooks, [application_value_to_odbc_value_hook/7,
                     odbc_value_to_application_value_hook/7,
                     cql_update_history_hook/16
                     ]).

:-multifile(odbc_value_to_application_value_hook/7).
:-multifile(application_value_to_odbc_value_hook/7).


%%      cql_update_history_hook(+Schema,
%%                              +TableName,
%%                              +AttributeName,
%%                              +PrimaryKeyAttributeName,
%%                              +PrimaryKeyValue,
%%                              +ApplicationValueBefore,
%%                              +ApplicationValueAfter,
%%                              +AccessToken,
%%                              +UserId,
%%                              +UserIpAddress,
%%                              +TransactionId,
%%                              +TransactionTimestamp,
%%                              +ThreadId,
%%                              +Spid,
%%                              +Connection,
%%                              +Goal).
%
%       Use this hook predicate to actually record database attribute value changes.
%
%       You are free to let this predicate fail or raise an exception - the
%       database layer will ignore both of these eventualities.
%
%       @param Schema <atom>
%       @param TableName <atom> (lower case)
%       @param AttributeName <atom> (lower case)
%       @param PrimaryKeyAttributeName <atom> (lower case)
%       @param PrimaryKeyValue <int>
%       @param ApplicationValueBefore <domain dependent>
%       @param ApplicationValueAfter <domain dependent>
%       @param AccessToken <atom>
%       @param UserId <atom>
%       @param UserIpAddress <atom>
%       @param TransactionId <atom>
%       @param TransactionTimestamp <t7/7>
%       @param ThreadId <atom>
%       @param Spid <int>
%       @param Connection <opaque>
%       @param Goal <goal term> The goal passed to pri_db_trans
:-multifile(cql_update_history_hook/16).