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Viewing changes to sql/item_func.cc

  • Committer: Bazaar Package Importer
  • Author(s): Mathias Gug
  • Date: 2009-06-25 12:55:45 UTC
  • mfrom: (0.2.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 9.
  • Revision ID: james.westby@ubuntu.com-20090625125545-v27uqh8rlsj8uh2y
Tags: upstream-5.1.34
Import upstream version 5.1.34

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Lines of Context:
sql/item_func.cc
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          if (is_last_item && !is_separator)
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            str_end= substr_end;
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          if (!my_strnncoll(cs, (const uchar *) str_begin,
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                            str_end - str_begin,
 
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                            (uint) (str_end - str_begin),
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                            find_str, find_str_len))
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            return (longlong) position;
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          else
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}
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void Item_func_set_user_var::cleanup()
 
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{
 
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  Item_func::cleanup();
 
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  entry= NULL;
 
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}
 
3816
 
 
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bool Item_func_set_user_var::set_entry(THD *thd, bool create_if_not_exists)
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{
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  if (entry && thd->thread_id == entry_thread_id)
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}
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bool Item_func_set_user_var::is_null_result()
 
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{
 
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  DBUG_ASSERT(fixed == 1);
 
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  check(TRUE);
 
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  update();                                     // Store expression
 
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  return is_null();
 
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}
 
4324
 
 
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void Item_func_set_user_var::print(String *str, enum_query_type query_type)
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{
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  str->append(STRING_WITH_LEN("(@"));
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  component(*component_arg), cache_present(0)
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{
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  /* set_name() will allocate the name */
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  set_name(name_arg, name_len_arg, system_charset_info);
 
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  set_name(name_arg, (uint) name_len_arg, system_charset_info);
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}
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void Item_func_get_system_var::fix_length_and_dec()
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{
 
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  char *cptr;
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  maybe_null=0;
 
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  max_length= 0;
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  if (var->check_type(var_type))
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  {
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      break;
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    case SHOW_CHAR:
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    case SHOW_CHAR_PTR:
 
4872
      pthread_mutex_lock(&LOCK_global_system_variables);
 
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      cptr= var->show_type() == SHOW_CHAR_PTR ? 
 
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        *(char**) var->value_ptr(current_thd, var_type, &component) :
 
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        (char*) var->value_ptr(current_thd, var_type, &component);
 
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      if (cptr)
 
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        max_length= strlen(cptr) * system_charset_info->mbmaxlen;
 
4878
      pthread_mutex_unlock(&LOCK_global_system_variables);
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      collation.set(system_charset_info, DERIVATION_SYSCONST);
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      max_length= MAX_BLOB_WIDTH;
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      decimals=NOT_FIXED_DEC;
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      break;
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    case SHOW_BOOL:
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    if (item->type() == Item::REF_ITEM)
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      args[i]= item= *((Item_ref *)item)->ref;
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    if (item->type() != Item::FIELD_ITEM)
5358
 
      key=NO_SUCH_KEY;
 
5382
    {
 
5383
      my_error(ER_WRONG_ARGUMENTS, MYF(0), "AGAINST");
 
5384
      return TRUE;
 
5385
    }
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  }
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  /*
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    Check that all columns come from the same table.