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Viewing changes to plugin/info_schema/helper_methods.cc

  • Committer: Brian Aker
  • Date: 2010-02-19 23:07:45 UTC
  • mto: (1273.13.97 build)
  • mto: This revision was merged to the branch mainline in revision 1309.
  • Revision ID: brian@gaz-20100219230745-cmurfbxj845it9z7
This remove the original info_schema system for the server. More still to
cut, but we are on our way.

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plugin/info_schema/helper_methods.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) 2009 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; either version 2 of the License, or
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 *  (at your option) any later version.
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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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/**
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 * @file 
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 *   Implementation of helper methods for I_S tables.
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 */
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#include "config.h"
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#include "drizzled/session.h"
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#include "drizzled/show.h"
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#include "drizzled/sql_base.h"
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#include "drizzled/plugin/client.h"
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#include "drizzled/join_table.h"
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#include "drizzled/global_charset_info.h"
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#include "drizzled/pthread_globals.h"
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#include "drizzled/internal/m_string.h"
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#include "plugin/myisam/myisam.h" // needed for dflt_key_cache
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#include "helper_methods.h"
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#include <vector>
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#include <string>
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#include <sstream>
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using namespace std;
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using namespace drizzled;
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static inline void make_upper(char *buf)
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{
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  for (; *buf; buf++)
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    *buf= my_toupper(system_charset_info, *buf);
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}
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void store_key_column_usage(Table *table, 
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                            LEX_STRING *db_name,
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                            LEX_STRING *table_name, 
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                            const char *key_name,
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                            uint32_t key_len, 
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                            const char *con_type, 
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                            uint32_t con_len,
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                            int64_t idx)
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{
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  const CHARSET_INFO * const cs= system_charset_info;
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  /* set the appropriate bits in the write bitset */
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  table->setWriteSet(1);
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  table->setWriteSet(2);
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  table->setWriteSet(4);
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  table->setWriteSet(5);
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  table->setWriteSet(6);
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  table->setWriteSet(7);
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  table->field[1]->store(db_name->str, db_name->length, cs);
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  table->field[2]->store(key_name, key_len, cs);
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  table->field[4]->store(db_name->str, db_name->length, cs);
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  table->field[5]->store(table_name->str, table_name->length, cs);
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  table->field[6]->store(con_type, con_len, cs);
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  table->field[7]->store((int64_t) idx, true);
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}
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/*
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 * Function object used for deleting the memory allocated
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 * for the columns contained with the vector of columns.
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 */
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class DeleteColumns
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{
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public:
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  template<typename T>
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  inline void operator()(const T *ptr) const
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  {
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    delete ptr;
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  }
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};
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void clearColumns(vector<const drizzled::plugin::ColumnInfo *> &cols)
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{
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  for_each(cols.begin(), cols.end(), DeleteColumns());
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  cols.clear();
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}