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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Sun Microsystems, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "plugin/schema_dictionary/dictionary.h"
using namespace std;
using namespace drizzled;
IndexesTool::IndexesTool() :
TablesTool("INDEXES")
{
add_field("TABLE_SCHEMA");
add_field("TABLE_NAME");
add_field("INDEX_NAME");
add_field("IS_USED_IN_PRIMARY", plugin::TableFunction::BOOLEAN, 0, false);
add_field("IS_UNIQUE", plugin::TableFunction::BOOLEAN, 0, false);
add_field("IS_NULLABLE", plugin::TableFunction::BOOLEAN, 0, false);
add_field("KEY_LENGTH", plugin::TableFunction::NUMBER, 0, false);
add_field("INDEX_TYPE");
add_field("INDEX_COMMENT", plugin::TableFunction::STRING, 1024, true);
}
IndexesTool::Generator::Generator(Field **arg) :
TablesTool::Generator(arg),
index_iterator(0),
is_index_primed(false)
{
}
bool IndexesTool::Generator::nextIndexCore()
{
if (isIndexesPrimed())
{
index_iterator++;
}
else
{
if (not isTablesPrimed())
return false;
index_iterator= 0;
is_index_primed= true;
}
if (index_iterator >= getTableProto().indexes_size())
return false;
index= getTableProto().indexes(index_iterator);
return true;
}
bool IndexesTool::Generator::nextIndex()
{
while (not nextIndexCore())
{
if (not nextTable())
return false;
is_index_primed= false;
}
return true;
}
bool IndexesTool::Generator::populate()
{
if (not nextIndex())
return false;
fill();
return true;
}
void IndexesTool::Generator::fill()
{
/* TABLE_SCHEMA */
push(getTableProto().schema());
/* TABLE_NAME */
push(getTableProto().name());
/* INDEX_NAME */
push(index.name());
/* IS_USED_IN_PRIMARY */
push(index.is_primary());
/* IS_UNIQUE */
push(index.is_unique());
/* IS_NULLABLE */
push(index.options().null_part_key());
/* KEY_LENGTH */
push(static_cast<uint64_t>(index.key_length()));
/* INDEX_TYPE */
{
const char *str;
uint32_t length;
switch (index.type())
{
default:
case message::Table::Index::UNKNOWN_INDEX:
str= "UNKNOWN";
length= sizeof("UNKNOWN");
break;
case message::Table::Index::BTREE:
str= "BTREE";
length= sizeof("BTREE");
break;
case message::Table::Index::RTREE:
str= "RTREE";
length= sizeof("RTREE");
break;
case message::Table::Index::HASH:
str= "HASH";
length= sizeof("HASH");
break;
case message::Table::Index::FULLTEXT:
str= "FULLTEXT";
length= sizeof("FULLTEXT");
break;
}
/* Subtract 1 here, because sizeof gives us the wrong amount */
push(str, length - 1);
}
/* "INDEX_COMMENT" */
if (index.has_comment())
{
push(index.comment());
}
else
{
push();
}
}
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