~drizzle-trunk/drizzle/development

851 by Brian Aker
Class rewrite of Session (aka get all of the junk out)
1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3
 *
4
 *  Copyright (C) 2008 Sun Microsystems
5
 *
6
 *  This program is free software; you can redistribute it and/or modify
7
 *  it under the terms of the GNU General Public License as published by
8
 *  the Free Software Foundation; version 2 of the License.
9
 *
10
 *  This program is distributed in the hope that it will be useful,
11
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 *  GNU General Public License for more details.
14
 *
15
 *  You should have received a copy of the GNU General Public License
16
 *  along with this program; if not, write to the Free Software
17
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
 */
19
20
21
#ifndef DRIZZLED_TABLE_IDENT_H
22
#define DRIZZLED_TABLE_IDENT_H
23
24
/* Structure for db & table in sql_yacc */
25
class Table_ident :public Sql_alloc
26
{
27
public:
28
  LEX_STRING db;
29
  LEX_STRING table;
30
  Select_Lex_Unit *sel;
31
  inline Table_ident(Session *session, LEX_STRING db_arg, LEX_STRING table_arg,
32
		     bool force)
33
    :table(table_arg), sel((Select_Lex_Unit *)0)
34
  {
35
    if (!force && (session->client_capabilities & CLIENT_NO_SCHEMA))
36
      db.str=0;
37
    else
38
      db= db_arg;
39
  }
40
  inline Table_ident(LEX_STRING table_arg)
41
    :table(table_arg), sel((Select_Lex_Unit *)0)
42
  {
43
    db.str=0;
44
  }
45
  /*
46
    This constructor is used only for the case when we create a derived
47
    table. A derived table has no name and doesn't belong to any database.
48
    Later, if there was an alias specified for the table, it will be set
49
    by add_table_to_list.
50
  */
51
  inline Table_ident(Select_Lex_Unit *s) : sel(s)
52
  {
53
    /* We must have a table name here as this is used with add_table_to_list */
54
    db.str= empty_c_string;                    /* a subject to casedn_str */
55
    db.length= 0;
56
    table.str= internal_table_name;
57
    table.length=1;
58
  }
59
  bool is_derived_table() const { return test(sel); }
60
  inline void change_db(char *db_name)
61
  {
895 by Brian Aker
Completion (?) of uint conversion.
62
    db.str= db_name; db.length= (uint32_t) strlen(db_name);
851 by Brian Aker
Class rewrite of Session (aka get all of the junk out)
63
  }
64
};
65
66
#endif /* DRIZZLED_TABLE_IDENT_H */