/* 
 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
 *
 * 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; version 2 of the
 * License.
 * 
 * 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 "stdafx.h"

#include "mysql_sql_semantic_check.h"
#include "mysql_sql_parser_fe.h"
#include "base/string_utilities.h"

using namespace grt;
using namespace base;

Mysql_sql_semantic_check::Null_state_keeper::~Null_state_keeper()
{
}
#define NULL_STATE_KEEPER Null_state_keeper _nsk(this);


Mysql_sql_semantic_check::Mysql_sql_semantic_check(grt::GRT *grt)
:
Sql_parser_base(grt),
Sql_syntax_check(grt),
Mysql_sql_parser_base(grt),
Mysql_sql_syntax_check(grt),
Sql_semantic_check(grt)
{
  NULL_STATE_KEEPER
}


Mysql_sql_parser_base::Parse_result Mysql_sql_semantic_check::check_sql(const SqlAstNode *tree)
{
  return pr_processed;
}


Mysql_sql_parser_base::Parse_result Mysql_sql_semantic_check::check_trigger(const SqlAstNode *tree, const SqlAstNode *trigger_tail)
{
  if (!_context_table.is_valid())
    return pr_processed;

  const SqlAstNode *table_ident= trigger_tail->subitem(sql::_table_ident);
  std::string schema_name;
  std::string table_name;

  Mysql_sql_parser_base::process_obj_full_name_item(table_ident, schema_name, table_name);

  if (schema_name.empty())
    schema_name= _active_schema.is_valid() ? _active_schema->name() : _context_table->owner()->name();

  if ((!schema_name.empty() && !are_strings_eq(_context_table->owner()->name(), schema_name, _case_sensitive_identifiers)) ||
    !are_strings_eq(_context_table->name(), table_name, _case_sensitive_identifiers))
  {
    std::string err_msg= strfmt("Wrong table: `%s`.`%s`, while `%s`.`%s` expected",
      schema_name.c_str(), table_name.c_str(),
      _context_table->owner()->name().c_str(), _context_table->name().c_str());
    report_semantic_error(table_ident, err_msg, 2);
    return pr_invalid;
  }

  return pr_processed;
}


Mysql_sql_parser_base::Parse_result Mysql_sql_semantic_check::check_view(const SqlAstNode *tree, const SqlAstNode *view_tail)
{
  return pr_processed;
}


Mysql_sql_parser_base::Parse_result Mysql_sql_semantic_check::check_routine(const SqlAstNode *tree, const SqlAstNode *routine_tail)
{
  return pr_processed;
}
