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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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* Copyright (C) 2010 Monty Taylor
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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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* 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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* 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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#include <drizzled/plugin/table_function.h>
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#include <drizzled/table_function_container.h>
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#include <drizzled/gettext.h>
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#include "drizzled/plugin/registry.h"
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#include "drizzled/global_charset_info.h"
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#include "drizzled/session.h"
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#include "drizzled/current_session.h"
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static TableFunctionContainer table_functions;
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void plugin::TableFunction::init()
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drizzled::message::Table::StorageEngine *engine;
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drizzled::message::Table::TableOptions *table_options;
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proto.set_name(identifier.getTableName());
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proto.set_type(drizzled::message::Table::FUNCTION);
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table_options= proto.mutable_options();
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table_options->set_collation_id(default_charset_info->number);
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table_options->set_collation(default_charset_info->name);
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engine= proto.mutable_engine();
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engine->set_name("FunctionEngine");
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bool plugin::TableFunction::addPlugin(plugin::TableFunction *tool)
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table_functions.addFunction(tool);
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plugin::TableFunction *plugin::TableFunction::getFunction(const string &arg)
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return table_functions.getFunction(arg);
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void plugin::TableFunction::getNames(const string &arg,
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set<std::string> &set_of_names)
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table_functions.getNames(arg, set_of_names);
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plugin::TableFunction::Generator *plugin::TableFunction::generator(Field **arg)
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return new Generator(arg);
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void plugin::TableFunction::add_field(const char *label,
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uint32_t field_length)
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add_field(label, TableFunction::STRING, field_length);
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void plugin::TableFunction::add_field(const char *label,
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TableFunction::ColumnType type,
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add_field(label, type, 5, is_default_null);
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void plugin::TableFunction::add_field(const char *label,
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TableFunction::ColumnType type,
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uint32_t field_length,
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drizzled::message::Table::Field *field;
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drizzled::message::Table::Field::FieldOptions *field_options;
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drizzled::message::Table::Field::FieldConstraints *field_constraints;
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field= proto.add_field();
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field->set_name(label);
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field_options= field->mutable_options();
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field_constraints= field->mutable_constraints();
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field_options->set_default_null(is_default_null);
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field_constraints->set_is_nullable(is_default_null);
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case TableFunction::BOOLEAN: // Currently BOOLEAN always has a value
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field_options->set_default_null(false);
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field_constraints->set_is_nullable(false);
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case TableFunction::STRING:
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drizzled::message::Table::Field::StringFieldOptions *string_field_options;
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field->set_type(drizzled::message::Table::Field::VARCHAR);
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string_field_options= field->mutable_string_options();
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string_field_options->set_length(field_length);
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case TableFunction::NUMBER: // Currently NUMBER always has a value
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field->set_type(drizzled::message::Table::Field::BIGINT);
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field_options->set_default_null(false);
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field_constraints->set_is_nullable(false);
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plugin::TableFunction::Generator::Generator(Field **arg) :
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scs= system_charset_info;
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bool plugin::TableFunction::Generator::sub_populate(uint32_t field_size)
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columns_iterator= columns;
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difference= columns_iterator - columns;
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assert(difference == field_size);
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void plugin::TableFunction::Generator::push(uint64_t arg)
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(*columns_iterator)->store(static_cast<int64_t>(arg), false);
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void plugin::TableFunction::Generator::push(uint32_t arg)
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(*columns_iterator)->store(static_cast<int64_t>(arg), false);
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void plugin::TableFunction::Generator::push(int64_t arg)
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(*columns_iterator)->store(arg, false);
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void plugin::TableFunction::Generator::push(int32_t arg)
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(*columns_iterator)->store(arg, false);
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void plugin::TableFunction::Generator::push(const char *arg, uint32_t length)
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assert(columns_iterator);
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assert(*columns_iterator);
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length= length ? length : strlen(arg);
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(*columns_iterator)->store(arg, length, scs);
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(*columns_iterator)->set_notnull();
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void plugin::TableFunction::Generator::push()
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assert((*columns_iterator)->type() == DRIZZLE_TYPE_VARCHAR);
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(*columns_iterator)->set_null();
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void plugin::TableFunction::Generator::push(const std::string& arg)
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push(arg.c_str(), arg.length());
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void plugin::TableFunction::Generator::push(bool arg)
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(*columns_iterator)->store("TRUE", 4, scs);
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(*columns_iterator)->store("FALSE", 5, scs);
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bool plugin::TableFunction::Generator::isWild(const std::string &predicate)
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Session *session= current_session;
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if (not session->lex->wild)
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bool match= wild_case_compare(system_charset_info,
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session->lex->wild->ptr());
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} /* namespace drizzled */