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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 Sun Microsystems
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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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* 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 "plugin/schema_dictionary/dictionary.h"
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#include "drizzled/statement/select.h"
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using namespace drizzled;
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IndexPartsTool::IndexPartsTool() :
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IndexesTool("INDEX_PARTS")
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add_field("TABLE_SCHEMA");
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add_field("TABLE_NAME");
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add_field("INDEX_NAME");
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add_field("COLUMN_NAME");
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add_field("COLUMN_NUMBER", plugin::TableFunction::NUMBER);
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add_field("SEQUENCE_IN_INDEX", plugin::TableFunction::NUMBER);
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add_field("COMPARE_LENGTH", plugin::TableFunction::NUMBER);
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add_field("IS_ORDER_REVERSE", plugin::TableFunction::BOOLEAN);
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add_field("IS_USED_IN_PRIMARY", plugin::TableFunction::BOOLEAN);
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add_field("IS_UNIQUE", plugin::TableFunction::BOOLEAN);
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add_field("IS_NULLABLE", plugin::TableFunction::BOOLEAN);
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IndexPartsTool::Generator::Generator(Field **arg) :
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IndexesTool::Generator(arg),
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index_part_iterator(0),
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is_index_part_primed(false)
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Session *session= current_session;
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drizzled::statement::Select *select= static_cast<statement::Select *>(session->lex->statement);
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setSchemaPredicate(select->getShowSchema());
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setTablePredicate(select->getShowTable());
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bool IndexPartsTool::Generator::nextIndexPartsCore()
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if (is_index_part_primed)
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index_part_iterator++;
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if (not isIndexesPrimed())
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index_part_iterator= 0;
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is_index_part_primed= true;
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if (index_part_iterator >= getIndex().index_part_size())
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index_part= getIndex().index_part(index_part_iterator);
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bool IndexPartsTool::Generator::nextIndexParts()
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while (not nextIndexPartsCore())
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is_index_part_primed= false;
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bool IndexPartsTool::Generator::populate()
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if (not nextIndexParts())
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void IndexPartsTool::Generator::fill()
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push(getIndex().name());
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push(getTableProto().field(index_part.fieldnr()).name());
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push(static_cast<int64_t>(index_part.fieldnr()));
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/* SEQUENCE_IN_INDEX */
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push(static_cast<int64_t>(index_part_iterator));
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push(static_cast<int64_t>(index_part.compare_length()));
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/* IS_ORDER_REVERSE */
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push(index_part.in_reverse_order());
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/* IS_USED_IN_PRIMARY */
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push(getIndex().is_primary());
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push(getIndex().is_unique());
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push(getIndex().options().null_part_key());