Drizzled Public API Documentation

schemas.cc
00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2010 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #include <config.h>
00022 #include <plugin/schema_dictionary/dictionary.h>
00023 
00024 using namespace std;
00025 using namespace drizzled;
00026 
00027 SchemasTool::SchemasTool() :
00028   DataDictionary("SCHEMAS")
00029 {
00030   add_field("SCHEMA_NAME");
00031   add_field("DEFAULT_COLLATION_NAME");
00032   add_field("SCHEMA_CREATION_TIME");
00033   add_field("SCHEMA_UPDATE_TIME");
00034   add_field("SCHEMA_UUID", plugin::TableFunction::STRING, 36, true);
00035   add_field("SCHEMA_VERSION", plugin::TableFunction::NUMBER, 0, true);
00036   add_field("SCHEMA_USE_COUNT", plugin::TableFunction::NUMBER, 0, true);
00037   add_field("IS_REPLICATED", plugin::TableFunction::BOOLEAN, 0, false);
00038 }
00039 
00040 SchemasTool::Generator::Generator(drizzled::Field **arg) :
00041   DataDictionary::Generator(arg),
00042   schema_generator(getSession())
00043 {
00044 }
00045 
00046 bool SchemasTool::Generator::populate()
00047 {
00048   drizzled::message::schema::shared_ptr schema_ptr;
00049   while ((schema_ptr= schema_generator))
00050   {
00051     /* SCHEMA_NAME */
00052     push(schema_ptr->name());
00053 
00054     /* DEFAULT_COLLATION_NAME */
00055     push(schema_ptr->collation());
00056 
00057     /* SCHEMA_CREATION_TIME */
00058     time_t time_arg= schema_ptr->creation_timestamp();
00059     char buffer[40];
00060     struct tm tm_buffer;
00061 
00062     localtime_r(&time_arg, &tm_buffer);
00063     strftime(buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y", &tm_buffer);
00064     push(buffer);
00065 
00066     /* SCHEMA_UPDATE_TIME */
00067     time_arg= schema_ptr->update_timestamp();
00068     localtime_r(&time_arg, &tm_buffer);
00069     strftime(buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y", &tm_buffer);
00070     push(buffer);
00071 
00072     /* SCHEMA_UUID */
00073     push(schema_ptr->uuid());
00074 
00075     /* SCHEMA_VERSION */
00076     push(schema_ptr->version());
00077 
00078     /* SCHEMA_USE_COUNT */
00079     push(schema_ptr->version());
00080 
00081     /* IS_REPLICATED */
00082     push(message::is_replicated(*schema_ptr));
00083 
00084     return true;
00085   }
00086 
00087   return false;
00088 }