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Viewing changes to drizzled/function/str/conv_charset.cc

  • Committer: Monty Taylor
  • Date: 2008-09-16 01:37:05 UTC
  • mto: This revision was merged to the branch mainline in revision 391.
  • Revision ID: monty@inaugust.com-20080916013705-772d1t7rh9ah9j1x
Moved more functions into drizzle.c as part of the split of code.
Added accessor function for drizzle_port.

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drizzled/function/str/conv_charset.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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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 <drizzled/server_includes.h>
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#include CSTDINT_H
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#include <drizzled/function/str/conv_charset.h>
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String *Item_func_conv_charset::val_str(String *str)
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{
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  assert(fixed == 1);
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  if (use_cached_value)
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    return null_value ? 0 : &str_value;
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  String *arg= args[0]->val_str(str);
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  uint32_t dummy_errors;
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  if (!arg)
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  {
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    null_value=1;
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    return 0;
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  }
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  null_value= str_value.copy(arg->ptr(),arg->length(),arg->charset(),
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                             conv_charset, &dummy_errors);
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  return null_value ? 0 : check_well_formed_result(&str_value);
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}
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void Item_func_conv_charset::fix_length_and_dec()
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{
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  collation.set(conv_charset, DERIVATION_IMPLICIT);
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  max_length = args[0]->max_length*conv_charset->mbmaxlen;
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}
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void Item_func_conv_charset::print(String *str, enum_query_type query_type)
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{
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  str->append(STRING_WITH_LEN("convert("));
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  args[0]->print(str, query_type);
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  str->append(STRING_WITH_LEN(" using "));
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  str->append(conv_charset->csname);
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  str->append(')');
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}
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