Line data Source code
1 : // Copyright (c) 2019 Made to Order Software Corp. All Rights Reserved
2 : //
3 : // https://snapwebsites.org/project/snapdatabase
4 : // contact@m2osw.com
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; either version 2 of the License, or
9 : // (at your option) any later version.
10 : //
11 : // This program is distributed in the hope that it will be useful,
12 : // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : // GNU General Public License for more details.
15 : //
16 : // You should have received a copy of the GNU General Public License along
17 : // with this program; if not, write to the Free Software Foundation, Inc.,
18 : // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 :
20 :
21 : /** \file
22 : * \brief Database file implementation.
23 : *
24 : * Each table uses one or more files. Each file is handled by a dbfile
25 : * object and a corresponding set of blocks.
26 : */
27 :
28 : // self
29 : //
30 : #include "snapdatabase/block/block_secondary_index.h"
31 :
32 : #include "snapdatabase/block/block_header.h"
33 :
34 :
35 : // last include
36 : //
37 : #include <snapdev/poison.h>
38 :
39 :
40 :
41 : namespace snapdatabase
42 : {
43 :
44 :
45 :
46 : namespace
47 : {
48 :
49 :
50 :
51 : // 'SIDX' -- secondary index
52 : constexpr struct_description_t g_description[] =
53 : {
54 : define_description(
55 : FieldName("header")
56 : , FieldType(struct_type_t::STRUCT_TYPE_STRUCTURE)
57 : , FieldSubDescription(detail::g_block_header)
58 : ),
59 : define_description(
60 : FieldName("id")
61 : , FieldType(struct_type_t::STRUCT_TYPE_UINT32)
62 : ),
63 : define_description(
64 : FieldName("number_of_rows")
65 : , FieldType(struct_type_t::STRUCT_TYPE_UINT64)
66 : ),
67 : define_description(
68 : FieldName("top_index")
69 : , FieldType(struct_type_t::STRUCT_TYPE_REFERENCE)
70 : ),
71 : //define_description(
72 : // FieldName("first_index_block_with_free_space")
73 : // , FieldType(struct_type_t::STRUCT_TYPE_REFERENCE)
74 : //),
75 : define_description(
76 : FieldName("bloom_filter_flags=algorithm:4/renewing")
77 : , FieldType(struct_type_t::STRUCT_TYPE_BITS32)
78 : ),
79 : end_descriptions()
80 : };
81 :
82 :
83 : constexpr descriptions_by_version_t const g_descriptions_by_version[] =
84 : {
85 : define_description_by_version(
86 : DescriptionVersion(0, 1),
87 : DescriptionDescription(g_description)
88 : ),
89 : end_descriptions_by_version()
90 : };
91 :
92 :
93 :
94 : }
95 : // no name namespace
96 :
97 :
98 :
99 :
100 0 : block_secondary_index::block_secondary_index(dbfile::pointer_t f, reference_t offset)
101 0 : : block(g_descriptions_by_version, f, offset)
102 : {
103 0 : }
104 :
105 :
106 0 : uint32_t block_secondary_index::get_id() const
107 : {
108 0 : return static_cast<uint32_t>(f_structure->get_uinteger("id"));
109 : }
110 :
111 :
112 0 : void block_secondary_index::set_id(uint32_t id)
113 : {
114 0 : f_structure->set_uinteger("id", id);
115 0 : }
116 :
117 :
118 0 : uint64_t block_secondary_index::get_number_of_rows() const
119 : {
120 0 : return static_cast<reference_t>(f_structure->get_uinteger("number_of_rows"));
121 : }
122 :
123 :
124 0 : void block_secondary_index::set_number_of_rows(uint64_t count)
125 : {
126 0 : f_structure->set_uinteger("number_of_rows", count);
127 0 : }
128 :
129 :
130 0 : reference_t block_secondary_index::get_top_index() const
131 : {
132 0 : return static_cast<reference_t>(f_structure->get_uinteger("top_index"));
133 : }
134 :
135 :
136 0 : void block_secondary_index::set_top_index(reference_t offset)
137 : {
138 0 : f_structure->set_uinteger("top_index", offset);
139 0 : }
140 :
141 :
142 0 : uint32_t block_secondary_index::get_bloom_filter_flags() const
143 : {
144 0 : return static_cast<reference_t>(f_structure->get_uinteger("bloom_filter_flags"));
145 : }
146 :
147 :
148 0 : void block_secondary_index::set_bloom_filter_flags(uint32_t flags)
149 : {
150 0 : f_structure->set_uinteger("bloom_filter_flags", flags);
151 0 : }
152 :
153 :
154 :
155 :
156 :
157 : } // namespace snapdatabase
158 : // vim: ts=4 sw=4 et
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