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/*
* SPL - The SPL Programming Language
* Copyright (C) 2004, 2005 Clifford Wolf <clifford@clifford.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* mod_sql_utils.c: Various SQL utility functions
*/
/**
* Additional SQL helper functions.
*
* The [[sql:]] module just provides a generic function for doing SQL queries,
* namely [[sql:sql()]]. This module declares some wrapper functions for
* [[sql:sql()]] which do implement common usage scenarios for [[sql:sql()]].
*/
load "sql";
/**
* Execute the query and return the first field of the first tuple in the
* result.
*/
function sql_value(db, query)
{
var r = sql(db, query);
return shift r.[0];
}
/**
* Execute the query and return the first tuple in the result.
*/
function sql_tuple(db, query)
{
var r = sql(db, query);
return r.[0];
}
/**
* Execute the query, which must return fields named 'key' and 'value', and
* return a hash created from this result set.
*/
function sql_keyval(db, query)
{
var r = sql(db, query);
var ret;
foreach i (r)
ret.[r.[i].key] = r.[i].value;
return ret;
}
/**
* Execute the query, which must return fields named 'value', and return an
* array created from this result set.
*/
function sql_array(db, query)
{
var r = sql(db, query);
var ret;
foreach i (r)
push ret, r.[i].value;
return ret;
}
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