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1717.1.1
by LinuxJedi
Make coercibility a plugin which is not built/enabled by default |
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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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* Copyright (C) 2010 Andrew Hutchings
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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 "config.h" |
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#include <drizzled/plugin/function.h> |
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#include <drizzled/function/math/int.h> |
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using namespace drizzled; |
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class CoercibilityFunction :public Item_int_func |
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{
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public: |
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CoercibilityFunction() :Item_int_func() |
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{
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unsigned_flag= true; |
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}
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int64_t val_int(); |
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const char *func_name() const |
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{
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return "coercibility"; |
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}
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void fix_length_and_dec() |
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{
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max_length=10; maybe_null= 0; |
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}
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table_map not_null_tables() const |
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{
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return 0; |
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}
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bool check_argument_count(int n) |
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{
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return (n == 1); |
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}
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};
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int64_t CoercibilityFunction::val_int() |
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{
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assert(fixed == 1); |
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null_value= 0; |
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return (int64_t) args[0]->collation.derivation; |
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}
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plugin::Create_function<CoercibilityFunction> *coercibility_function= NULL; |
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static int initialize(drizzled::module::Context &context) |
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{
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coercibility_function= new plugin::Create_function<CoercibilityFunction>("coercibility"); |
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context.add(coercibility_function); |
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return 0; |
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}
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DRIZZLE_DECLARE_PLUGIN
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{
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DRIZZLE_VERSION_ID, |
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"coercibility_function", |
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"1.0", |
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"Andrew Hutchings", |
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"COERCIBILITY()", |
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PLUGIN_LICENSE_GPL, |
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initialize, |
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NULL, |
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NULL
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}
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DRIZZLE_DECLARE_PLUGIN_END; |