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1927.2.1
by Brian Aker
Merge up the tree. |
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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) 2010 Brian Aker
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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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#include "config.h" |
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#include "plugin/session_dictionary/dictionary.h" |
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#define LARGEST_USER_VARIABLE_NAME 128
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namespace session_dictionary { |
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Variables::Variables() : |
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drizzled::plugin::TableFunction("DATA_DICTIONARY", "USER_DEFINED_VARIABLES") |
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{
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add_field("VARIABLE_NAME", drizzled::plugin::TableFunction::STRING, LARGEST_USER_VARIABLE_NAME, false); |
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add_field("VARIABLE_VALUE", drizzled::plugin::TableFunction::STRING, LARGEST_USER_VARIABLE_NAME, true); |
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}
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Variables::Generator::Generator(drizzled::Field **arg) : |
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drizzled::plugin::TableFunction::Generator(arg), |
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user_vars(getSession().getUserVariables()), |
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iter(user_vars.begin()) |
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{
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}
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Variables::Generator::~Generator() |
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{
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}
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bool Variables::Generator::populate() |
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{
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while (iter != user_vars.end()) |
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{
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char buff[LARGEST_USER_VARIABLE_NAME]; |
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drizzled::String tmp(buff, sizeof(buff), drizzled::system_charset_info); |
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bool null_value; |
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uint32_t decimals= 4; // arbitrary |
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(*iter).second->val_str(&null_value, &tmp, decimals); |
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// VARIABLE_NAME
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push((*iter).first); |
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// VARIABLE_VALUE
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if (null_value) |
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push(); |
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else
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push(tmp.c_str()); |
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iter++; |
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return true; |
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}
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return false; |
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}
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} /* namespace session_dictionary */ |