1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* Purpose:
*
* Database abstraction layer. All database accesses are performed though
* the functions provided here. This includes creating / deleting / looking
* up collections, inserting objects into collections and executing RasQL
* queries.
*
* COMMENTS:
* none
*/
/**
* @file rviewDb.hh
*
* @ingroup Applications
*/
#ifndef _RVIEW_DB_H_
#define _RVIEW_DB_H_
#ifdef __GNUG__
#pragma interface
#endif
#include "rasodmg/database.hh"
#include "rasodmg/transaction.hh"
#include "rasodmg/set.hh"
#include "rasodmg/ref.hh"
#include "rasodmg/marray.hh"
#include "rasodmg/gmarray.hh"
#include "rasodmg/iterator.hh"
#include "rasodmg/oqlquery.hh"
#include "rviewUtils.hh"
class r_Fast_Base_Scale;
class rviewDatabase
{
public:
rviewDatabase(void);
~rviewDatabase(void);
int open(const char *srvname, int srvport, const char *dbname,
const char *username, const char *userpassword);
void close(void);
bool isOpen(void);
int createCollection(const char *collName, rviewBaseType bt);
int deleteCollection(const char *collName);
int lookupCollection(collection_desc *desc);
static r_Ref<r_GMarray> getScaledObject(r_Fast_Base_Scale *scaler, const r_Minterval &trimDom, double scale);
r_Fast_Base_Scale *lookupScaledObject(collection_desc *desc, double scale);
int insertObject(const char *collName, r_Ref<r_GMarray> mddObj, r_Minterval *domain=NULL);
int executeQuery(collection_desc *desc, const char *query, r_Ref<r_GMarray> *updateMdd=NULL, bool showProgress=TRUE);
int getMinterval(r_Minterval &dom, const char *collName, const double *loid=NULL);
const r_Database *getDatabase(void) const;
int getErrorInfo(int &line, int &col) const;
protected:
int collectionToDesc(r_Set<r_Ref<r_GMarray> > &mddColl, collection_desc *desc);
int ensureDatabase(void);
DynamicString server;
int port;
DynamicString database;
DynamicString username;
DynamicString userpassword;
DynamicString lastTransferParams;
DynamicString lastStorageParams;
r_Data_Format lastTransferFormat;
r_Data_Format lastStorageFormat;
bool dbOpen;
r_Database dbase;
// For errors in queries
int line, col;
};
#endif
|
