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Viewing changes to drizzled/statement/create_index.cc

  • Committer: Brian Aker
  • Date: 2009-11-24 02:06:37 UTC
  • mfrom: (1223.1.7 push)
  • Revision ID: brian@gaz-20091124020637-9gb65vj98x1arydm
Merge for staging.

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drizzled/statement/create_index.cc
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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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 *
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 *  Copyright (C) 2009 Sun Microsystems, Inc.
 
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 *  Copyright (C) 2009 Sun Microsystems
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 *
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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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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
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#include "drizzled/server_includes.h"
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#include "drizzled/show.h"
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#include "drizzled/session.h"
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#include "drizzled/statement/create_index.h"
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#include "drizzled/statement/alter_table.h"
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#include "drizzled/db.h"
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#include "drizzled/plugin/storage_engine.h"
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namespace drizzled
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{
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namespace statement
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{
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CreateIndex::CreateIndex(Session *in_session, const drizzled::ha_build_method method_arg) :
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  CreateTable(in_session)
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  {
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    getSession()->getLex()->sql_command= SQLCOM_CREATE_INDEX;
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    alter_info.flags.set(ALTER_ADD_INDEX);
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    alter_info.build_method= method_arg;
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    getSession()->getLex()->col_list.empty();
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  }
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bool statement::CreateIndex::execute()
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{
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  TableList *first_table= (TableList *) getSession()->lex->select_lex.table_list.first;
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  TableList *all_tables= getSession()->lex->query_tables;
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  /* Chicken/Egg... we need to search for the table, to know if the table exists, so we can build a full identifier from it */
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  message::table::shared_ptr original_table_message;
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  {
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    identifier::Table identifier(first_table->getSchemaName(), first_table->getTableName());
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    if (plugin::StorageEngine::getTableDefinition(*getSession(), identifier, original_table_message) != EEXIST)
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    {
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      my_error(ER_BAD_TABLE_ERROR, identifier);
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      return true;
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    }
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  }
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  TableList *first_table= (TableList *) session->lex->select_lex.table_list.first;
 
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  TableList *all_tables= session->lex->query_tables;
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  /*
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    CREATE INDEX and DROP INDEX are implemented by calling ALTER
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    TABLE with proper arguments.
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  */
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  assert(first_table == all_tables && first_table != 0);
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  if (getSession()->inTransaction())
 
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  if (! session->endActiveTransaction())
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  {
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    my_error(ER_TRANSACTIONAL_DDL_NOT_SUPPORTED, MYF(0));
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    return true;
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  }
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  bool res;
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  if (original_table_message->type() == message::Table::STANDARD )
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  {
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    identifier::Table identifier(first_table->getSchemaName(), first_table->getTableName());
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    create_info().default_table_charset= plugin::StorageEngine::getSchemaCollation(identifier);
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    res= alter_table(getSession(), 
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                     identifier,
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                     identifier,
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                     &create_info(), 
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                     *original_table_message,
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                     createTableMessage(), 
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                     first_table,
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                     &alter_info,
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                     0, (Order*) 0, 0);
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  }
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  else
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  {
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    identifier::Table catch22(first_table->getSchemaName(), first_table->getTableName());
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    Table *table= getSession()->find_temporary_table(catch22);
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    assert(table);
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    {
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      identifier::Table identifier(first_table->getSchemaName(), first_table->getTableName(), table->getMutableShare()->getPath());
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      create_info().default_table_charset= plugin::StorageEngine::getSchemaCollation(identifier);
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      res= alter_table(getSession(), 
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                       identifier,
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                       identifier,
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                       &create_info(), 
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                       *original_table_message,
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                       createTableMessage(), 
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                       first_table,
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                       &alter_info,
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                       0, (Order*) 0, 0);
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    }
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  }
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  create_info.row_type= ROW_TYPE_NOT_USED;
 
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  create_info.default_table_charset= get_default_db_collation(session->db.c_str());
 
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  bool res= alter_table(session, 
 
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                        first_table->db, 
 
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                        first_table->table_name,
 
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                        &create_info, 
 
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                        &create_table_proto, 
 
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                        first_table,
 
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                        &alter_info,
 
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                        0, (order_st*) 0, 0);
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  return res;
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}
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} /* namespace statement */
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} /* namespace drizzled */