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
116
117
118
119
120
121
122
123
124
|
--
-- This file is part of TALER
-- Copyright (C) 2014--2022 Taler Systems SA
--
-- TALER 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, or (at your option) any later version.
--
-- TALER 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
-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
--
CREATE FUNCTION create_table_history_requests(
IN shard_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'history_requests';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I '
'(history_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
',request_timestamp INT8 NOT NULL'
',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
',history_fee_val INT8 NOT NULL'
',history_fee_frac INT4 NOT NULL'
',PRIMARY KEY (reserve_pub,request_timestamp)'
') %s ;'
,table_name
,'PARTITION BY HASH (reserve_pub)'
,shard_suffix
);
PERFORM comment_partitioned_table(
'Paid history requests issued by a client against a reserve'
,table_name
,shard_suffix
);
PERFORM comment_partitioned_column(
'When was the history request made'
,'request_timestamp'
,table_name
,shard_suffix
);
PERFORM comment_partitioned_column(
'Signature approving payment for the history request'
,'reserve_sig'
,table_name
,shard_suffix
);
PERFORM comment_partitioned_column(
'History fee approved by the signature'
,'history_fee_val'
,table_name
,shard_suffix
);
END $$;
CREATE FUNCTION constrain_table_history_requests(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
partition_name VARCHAR;
BEGIN
partition_name = concat_ws('_', 'history_requests', partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || partition_name ||
' ADD CONSTRAINT ' || partition_name || '_serial_id'
' UNIQUE (history_request_serial_id)'
);
END
$$;
CREATE FUNCTION foreign_table_history_requests()
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'history_requests';
BEGIN
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
' FOREIGN KEY (reserve_pub) '
' REFERENCES reserves(reserve_pub) ON DELETE CASCADE'
);
END $$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('history_requests'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('history_requests'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE),
('history_requests'
,'exchange-0002'
,'foreign'
,TRUE
,FALSE);
|
