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Viewing changes to drizzled/function/func.h

  • Committer: Monty Taylor
  • Date: 2010-12-27 19:58:09 UTC
  • mto: This revision was merged to the branch mainline in revision 2038.
  • Revision ID: mordred@inaugust.com-20101227195809-1k7a4ge19l3u1o1h
Updated pandora-build files to version 0.171

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drizzled/function/func.h
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_FUNCTION_FUNC_H
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#define DRIZZLED_FUNCTION_FUNC_H
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/// TODO: Rename this file - func.h is stupid.
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#include <drizzled/charset_info.h>
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#include <drizzled/current_session.h>
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#include <drizzled/item.h>
 
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#include <drizzled/sql_list.h>
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#include <drizzled/item/bin_string.h>
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#include <drizzled/lex_string.h>
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#include <drizzled/sql_list.h>
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#include <drizzled/type/decimal.h>
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#include "drizzled/visibility.h"
 
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#include "drizzled/current_session.h"
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namespace drizzled
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{
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class DRIZZLED_API Item_func :
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  public Item_result_field
 
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class Item_func :public Item_result_field
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{
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  Session &_session;
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  Item_func(void):
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    _session(*current_session),
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    allowed_arg_cols(1), arg_count(0),
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    const_item_cache(false)
 
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    allowed_arg_cols(1), arg_count(0)
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  {
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    with_sum_func= 0;
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    collation.set(DERIVATION_SYSCONST);
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  Item_func(Item *a):
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    _session(*current_session),
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    allowed_arg_cols(1), arg_count(1),
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    const_item_cache(false)
 
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    allowed_arg_cols(1), arg_count(1)
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  {
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    args= tmp_arg;
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    args[0]= a;
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  Item_func(Item *a,Item *b):
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    _session(*current_session),
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    allowed_arg_cols(1), arg_count(2),
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    const_item_cache(false)
 
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    allowed_arg_cols(1), arg_count(2)
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  {
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    args= tmp_arg;
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    args[0]= a; args[1]= b;
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  Item_func(Item *a,Item *b,Item *c):
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    _session(*current_session),
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    allowed_arg_cols(1),
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    const_item_cache(false)
 
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    allowed_arg_cols(1)
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  {
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    arg_count= 0;
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    if ((args= (Item**) memory::sql_alloc(sizeof(Item*)*3)))
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  Item_func(Item *a,Item *b,Item *c,Item *d):
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    _session(*current_session),
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    allowed_arg_cols(1),
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    const_item_cache(false)
 
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    allowed_arg_cols(1)
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  {
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    arg_count= 0;
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    if ((args= (Item**) memory::sql_alloc(sizeof(Item*)*4)))
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  Item_func(Item *a,Item *b,Item *c,Item *d,Item* e):
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    _session(*current_session),
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    allowed_arg_cols(1),
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    const_item_cache(false)
 
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    allowed_arg_cols(1)
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  {
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    arg_count= 5;
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    if ((args= (Item**) memory::sql_alloc(sizeof(Item*)*5)))
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  void count_real_length();
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  void count_decimal_length();
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  bool get_arg0_date(type::Time &ltime, uint32_t fuzzy_date);
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  bool get_arg0_time(type::Time &ltime);
 
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  bool get_arg0_date(type::Time *ltime, uint32_t fuzzy_date);
 
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  bool get_arg0_time(type::Time *ltime);
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  bool is_null();
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  virtual bool deterministic() const
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  {
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    return false;
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  }
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  void signal_divide_by_null();
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  virtual Field *tmp_table_field() { return result_field; }