Drizzled Public API Documentation

period_add.cc
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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3  *
4  * Copyright (C) 2008 Sun Microsystems, Inc.
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19 
20 #include <config.h>
21 
22 #include <drizzled/function/time/period_add.h>
23 #include <drizzled/calendar.h>
24 
25 namespace drizzled
26 {
27 
29 {
30  assert(fixed == 1);
31  uint32_t period= (uint32_t) args[0]->val_int();
32  uint32_t months= (uint32_t) args[1]->val_int();
33 
34  if ((null_value= args[0]->null_value || args[1]->null_value) ||
35  period == 0L)
36  return 0;
37 
38  return (int64_t) months_to_year_month(year_month_to_months(period) + months);
39 }
40 
41 } /* namespace drizzled */
bool fixed
Definition: item.h:120
TODO: Rename this file - func.h is stupid.
uint32_t year_month_to_months(uint32_t year_month)
Definition: calendar.cc:471
bool null_value
Definition: item.h:122
uint32_t months_to_year_month(uint32_t months)
Definition: calendar.cc:492