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  • Committer: Monty Taylor
  • Date: 2009-04-25 20:45:19 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 1003.
  • Revision ID: mordred@inaugust.com-20090425204519-lgrl7mz2r66v0jby
Blackhole.

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drizzled/function/func.cc
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
 
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#include <drizzled/server_includes.h>
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#include <drizzled/sql_string.h>
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#include <drizzled/sql_list.h>
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#include <drizzled/error.h>
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#include <drizzled/check_stack_overrun.h>
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#include <limits>
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#include <algorithm>
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using namespace std;
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namespace drizzled
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{
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void Item_func::set_arguments(List<Item> &list)
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{
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  allowed_arg_cols= 1;
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  arg_count=list.elements;
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  args= tmp_arg;                                // If 2 arguments
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  if (arg_count <= 2 || (args=(Item**) memory::sql_alloc(sizeof(Item*)*arg_count)))
 
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  if (arg_count <= 2 || (args=(Item**) sql_alloc(sizeof(Item*)*arg_count)))
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  {
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    List_iterator_fast<Item> li(list);
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    Item *item;
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        We shouldn't call fix_fields() twice, so check 'fixed' field first
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      */
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      if ((!(*arg)->fixed && (*arg)->fix_fields(session, arg)))
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        return true;
 
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        return true;        /* purecov: inspected */
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      item= *arg;
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      if (allowed_arg_cols)
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  case STRING_RESULT:
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    return make_string_field(table);
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  case DECIMAL_RESULT:
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    field= new Field_decimal(my_decimal_precision_to_length(decimal_precision(),
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                                                            decimals,
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                                                            unsigned_flag),
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                             maybe_null,
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                             name,
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                             decimals,
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                             unsigned_flag);
 
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    field= new Field_new_decimal(
 
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                       my_decimal_precision_to_length(decimal_precision(),
 
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                                                      decimals,
 
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                                                      unsigned_flag),
 
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                       maybe_null, name, decimals, unsigned_flag);
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    break;
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  case ROW_RESULT:
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  default:
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  int max_int_part= 0;
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  decimals= 0;
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  unsigned_flag= 1;
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  for (uint32_t i= 0 ; i < arg_count ; i++)
 
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  for (uint32_t i=0 ; i < arg_count ; i++)
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  {
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    set_if_bigger(decimals, args[i]->decimals);
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    set_if_bigger(max_int_part, args[i]->decimal_int_part());
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    set_if_smaller(unsigned_flag, args[i]->unsigned_flag);
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  }
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  int precision= min(max_int_part + decimals, DECIMAL_MAX_PRECISION);
 
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  int precision= cmin(max_int_part + decimals, DECIMAL_MAX_PRECISION);
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  max_length= my_decimal_precision_to_length(precision, decimals,
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                                             unsigned_flag);
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}
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}
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} /* namespace drizzled */