~drizzle-trunk/drizzle/development

574.3.4 by Lee
moving functions from item_strfunc to functions/str directory
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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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 *
1999.6.1 by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
574.3.4 by Lee
moving functions from item_strfunc to functions/str directory
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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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2173.2.1 by Monty Taylor
Fixes incorrect usage of include
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#include <config.h>
1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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670.1.20 by Monty Taylor
Renamed functions to function... everything else is singular.
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#include <drizzled/function/str/left.h>
574.3.4 by Lee
moving functions from item_strfunc to functions/str directory
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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namespace drizzled
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{
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574.3.4 by Lee
moving functions from item_strfunc to functions/str directory
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String *Item_func_left::val_str(String *str)
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{
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  assert(fixed == 1);
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  String *res= args[0]->val_str(str);
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  /* must be int64_t to avoid truncation */
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  int64_t length= args[1]->val_int();
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  uint32_t char_pos;
660.1.3 by Eric Herman
removed trailing whitespace with simple script:
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574.3.4 by Lee
moving functions from item_strfunc to functions/str directory
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  if ((null_value=(args[0]->null_value || args[1]->null_value)))
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    return 0;
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  /* if "unsigned_flag" is set, we have a *huge* positive number. */
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  if ((length <= 0) && (!args[1]->unsigned_flag))
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    return &my_empty_string;
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  if ((res->length() <= (uint64_t) length) ||
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      (res->length() <= (char_pos= res->charpos((int) length))))
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    return res;
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  tmp_value.set(*res, 0, char_pos);
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  return &tmp_value;
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}
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void Item_func_left::fix_length_and_dec()
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{
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  collation.set(args[0]->collation);
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  left_right_max_length();
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}
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace drizzled */