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
|
/*****************************************************************************
Copyright (c) 2020, 2025, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License, version 2.0, as published by the
Free Software Foundation.
This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
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, version 2.0,
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
*****************************************************************************/
/** @file include/ddl0impl-rtree.h
DDL RTree insert interface.
Created 2020-11-01 by Sunny Bains. */
#ifndef ddl0impl_rtree_h
#define ddl0impl_rtree_h
#include "ddl0fts.h"
#include "ddl0impl.h"
#include "row0pread.h"
namespace ddl {
/** Class that caches RTree index tuples made from a single cluster
index page scan, and then insert into corresponding index tree. */
class RTree_inserter {
public:
/** Constructor.
@param[in,out] ctx DDL context.
@param[in] index Index to be created */
RTree_inserter(Context &ctx, dict_index_t *index) noexcept;
/** Destructor */
~RTree_inserter() noexcept;
/** @return true if initialization succeeded . */
[[nodiscard]] bool is_initialized() noexcept {
return m_dtuple_heap != nullptr && m_dml_heap != nullptr;
}
/** Get the index instance.
@return the index instance. */
[[nodiscard]] dict_index_t *get_index() noexcept { return m_index; }
/** Caches an index row into index tuple vector
@param[in] row Table row
@param[in] ext Externally stored column
prefixes, or nullptr */
void add_to_batch(const dtuple_t *row, const row_ext_t *ext) noexcept;
/** Insert the rows cached in the batch (m_dtuples).
@param[in] trx_id Transaction id.
@param[in,out] latch_release Called when a log free check is required.
@return DB_SUCCESS if successful, else error number */
[[nodiscard]] dberr_t batch_insert(trx_id_t trx_id,
Latch_release &&latch_release) noexcept;
/** Deep copy the fields pointing to the clustered index record. */
void deep_copy_tuples() noexcept { deep_copy_tuples(m_dtuples->begin()); }
private:
/** Cache index rows made from a cluster index scan. Usually
for rows on single cluster index page */
using Tuples = std::vector<dtuple_t *, ut::allocator<dtuple_t *>>;
/** Deep copy the fields pointing to the clustered index record.
@param[in] it Deep copy from this tuple onwards. */
void deep_copy_tuples(Tuples::iterator it) noexcept;
private:
/** vector used to cache index rows made from cluster index scan */
Tuples *m_dtuples{};
/** Memory heap for creating index tuples */
mem_heap_t *m_dtuple_heap{};
/** Memory heap for inserting the tuples */
mem_heap_t *m_dml_heap{};
/** the index being built */
dict_index_t *m_index{};
/** Iterator to process m_dtuples */
Tuples::iterator m_iter{};
/** DDL context. */
Context &m_ctx;
};
} // namespace ddl
#endif /* !ddl0impl-rtree_h */
|
