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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
*
* 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;
SchemasTool::SchemasTool() :
plugin::TableFunction("DATA_DICTIONARY", "SCHEMAS")
{
add_field("SCHEMA_NAME");
add_field("DEFAULT_COLLATION_NAME");
add_field("SCHEMA_CREATION_TIME");
add_field("SCHEMA_UPDATE_TIME");
}
SchemasTool::Generator::Generator(Field **arg) :
plugin::TableFunction::Generator(arg),
is_schema_primed(false),
is_schema_parsed(false)
{
}
bool SchemasTool::Generator::nextSchemaCore()
{
if (is_schema_primed)
{
schema_iterator++;
}
else
{
plugin::StorageEngine::getSchemaIdentifiers(getSession(), schema_names);
schema_names.sort();
schema_iterator= schema_names.begin();
is_schema_primed= true;
}
if (schema_iterator == schema_names.end())
return false;
schema.Clear();
SchemaIdentifier schema_identifier(*schema_iterator);
is_schema_parsed= plugin::StorageEngine::getSchemaDefinition(schema_identifier, schema);
if (not is_schema_parsed)
{
return false;
}
return true;
}
bool SchemasTool::Generator::nextSchema()
{
while (not nextSchemaCore())
{
if (schema_iterator == schema_names.end())
return false;
}
return true;
}
bool SchemasTool::Generator::populate()
{
if (nextSchema())
{
fill();
return true;
}
return false;
}
/**
A lack of a parsed schema file means we are using defaults.
*/
void SchemasTool::Generator::fill()
{
/* SCHEMA_NAME */
push(schema.name());
/* DEFAULT_COLLATION_NAME */
if (is_schema_parsed)
push(schema.collation());
else
push(scs->name);
/* SCHEMA_CREATION_TIME */
time_t time_arg= schema.creation_timestamp();
char buffer[40];
struct tm tm_buffer;
localtime_r(&time_arg, &tm_buffer);
strftime(buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y", &tm_buffer);
push(buffer);
/* SCHEMA_UPDATE_TIME */
time_arg= schema.update_timestamp();
localtime_r(&time_arg, &tm_buffer);
strftime(buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y", &tm_buffer);
push(buffer);
}
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