~drizzle-trunk/drizzle/development

971.1.64 by Monty Taylor
Merged compress, uncompress and uncompressed_length into one plugin lib. Yay new plugin registration!
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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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 */
139.1.9 by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test
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670.2.2 by Monty Taylor
Got rid of the rest of common_includes. Now on to server_includes.
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#include <drizzled/server_includes.h>
584.1.15 by Monty Taylor
The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes.
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#include <drizzled/sql_udf.h>
642.1.30 by Lee
move math functions to drizzled/function/math directory
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#include <drizzled/function/math/int.h>
971.1.64 by Monty Taylor
Merged compress, uncompress and uncompressed_length into one plugin lib. Yay new plugin registration!
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#include "plugin/compression/uncompressed_length.h"
139.1.9 by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test
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942.1.12 by Monty Taylor
Converted udf_func into a factory.
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#include <string>
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using namespace std;
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139.1.9 by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test
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int64_t Item_func_uncompressed_length::val_int()
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{
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  assert(fixed == 1);
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  String *res= args[0]->val_str(&value);
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  if (!res)
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  {
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    null_value=1;
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    return 0; /* purecov: inspected */
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  }
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  null_value=0;
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  if (res->is_empty()) return 0;
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  /*
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    res->ptr() using is safe because we have tested that string is not empty,
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    res->c_ptr() is not used because:
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      - we do not need \0 terminated string to get first 4 bytes
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      - c_ptr() tests simbol after string end (uninitialiozed memory) which
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        confuse valgrind
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  */
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  return uint4korr(res->ptr()) & 0x3FFFFFFF;
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}
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