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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
create table t (id int primary key, s date, e date, period for mytime(s,e));
# CONSTRAINT CHECK (s < e) is added implicitly, and shouldn't be shown
# this is important for correct command-based replication
show create table t;
Table Create Table
t CREATE TABLE `t` (
`id` int(11) NOT NULL,
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `mytime` (`s`, `e`),
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
create view v as select * from t;
select * from information_schema.periods;
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PERIOD START_COLUMN_NAME END_COLUMN_NAME
def test t mytime s e
Warnings:
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
select * from information_schema.key_period_usage;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PERIOD_NAME
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warnings:
drop view v;
create or replace table t (id int primary key, s timestamp(6), e timestamp(6),
period for mytime(s,e));
show create table t;
Table Create Table
t CREATE TABLE `t` (
`id` int(11) NOT NULL,
`s` timestamp(6) NOT NULL,
`e` timestamp(6) NOT NULL,
PERIOD FOR `mytime` (`s`, `e`),
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
# SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)a)
# 2) If a <table period definition> TPD is specified, then:
# a) <table scope> shall not be specified.
create or replace temporary table t (s date, e date, period for mytime(s,e));
ERROR HY000: Application-time period table cannot be temporary
# SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)e)iii)
# The <data type or domain name> contained in CD1 is either DATE or a
# timestamp type and it is equivalent to the <data type or domain name>
# contained in CD2.
create or replace table t (id int primary key, s datetime, e date,
period for mytime(s,e));
ERROR HY000: Fields of PERIOD FOR `mytime` have different types
create or replace table t (s timestamp(2), e timestamp(6),
period for mytime(s,e));
ERROR HY000: Fields of PERIOD FOR `mytime` have different types
create or replace table t (id int primary key, s int, e date,
period for mytime(s,e));
ERROR 42000: Incorrect column specifier for column 's'
create or replace table t (id int primary key, s time, e time,
period for mytime(s,e));
ERROR 42000: Incorrect column specifier for column 's'
create or replace table t (id int primary key, s date, e date,
period for mytime(s,x));
ERROR 42S22: Unknown column 'x' in 'mytime'
# MDEV-18842: Unfortunate error message when the same column is used
# for application period start and end
create or replace table t (s date, t date, period for apt(s,s));
ERROR 42000: Column 's' specified twice
create or replace table t (id int primary key, s date, e date,
period for mytime(s,e),
period for mytime2(s,e));
ERROR HY000: Cannot specify more than one application-time period
# SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)d)
# No <column name> in any <column definition> shall be equivalent to PN.
create or replace table t (mytime int, s date, e date,
period for mytime(s,e));
ERROR 42S21: Duplicate column name 'mytime'
# SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)e)v)2)A)
# Neither CD1 nor CD2 shall contain an <identity column specification>, a
# <generation clause>, a <system time period start column specification>,
# or a <system time period end column specification>.
create or replace table t (id int primary key,
s date,
e date generated always as (s+1),
period for mytime(s,e));
ERROR HY000: Period field `e` cannot be GENERATED ALWAYS AS
create or replace table t (id int primary key,
s date,
e date as (s+1) VIRTUAL,
period for mytime(s,e));
ERROR HY000: Period field `e` cannot be GENERATED ALWAYS AS
create or replace table t (id int primary key, s timestamp(6), e timestamp(6),
st timestamp(6) as row start,
en timestamp(6) as row end,
period for system_time (st, en),
period for mytime(st,e)) with system versioning;
ERROR HY000: Period field `st` cannot be GENERATED ALWAYS AS
# SQL16, Part 2, 11.3 <table definition>, Syntax Rules, 2)
# Let IDCN be an implementation-dependent <constraint name> that is not
# equivalent to the <constraint name> of any table constraint descriptor
# included in S.
create or replace table t (x int, s date, e date,
period for mytime(s, e),
constraint mytime check (x > 1));
show create table t;
Table Create Table
t CREATE TABLE `t` (
`x` int(11) DEFAULT NULL,
`s` date NOT NULL,
`e` date NOT NULL,
PERIOD FOR `mytime` (`s`, `e`),
CONSTRAINT `mytime` CHECK (`x` > 1)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
insert t values (2, '2001-01-01', '2001-01-01');
ERROR 23000: CONSTRAINT `mytime_1` failed for `test`.`t`
show status like "Feature_application_time_periods";
Variable_name Value
Feature_application_time_periods 6
drop table t;
# MDEV-29387: Period name with more than 32 symbols crashes the server
#
# test 34 symbols
create table t2 (s date, e date,
period for `abcd123456789012345678901234567890` (s,e));
drop table t2;
# test 64 symbols
create table t2 (s date, e date, period for
`abcd123456789012345678901234567890123456789012345678901234567890`
(s,e));
drop table t2;
# MDEV-32205 Server crashes in get_schema_key_period_usage_record on
# server without InnoDB
# Make sure innodb id disabled, but there's at least one innodb table
select "yes" from information_schema.tables where engine="innodb" limit 1;
yes
yes
select plugin_status from information_schema.all_plugins where plugin_name = "innodb";
plugin_status
DISABLED
select * from information_schema.periods;
TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PERIOD START_COLUMN_NAME END_COLUMN_NAME
select * from information_schema.key_period_usage;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PERIOD_NAME
# [DUPLICATE] MDEV-32204 Server crashes in
# get_schema_key_period_usage_record
create table t (a date) engine=myisam;
create table t1 (a int) engine=merge union = (t) ;
select 1 from information_schema.key_period_usage;
1
Warning 1168 Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warnings:
drop table t1;
drop table t;
create view v1 as select 1;
create view v2 as select * from v1;
drop view v1;
select * from information_schema.key_period_usage;
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PERIOD_NAME
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1286 Unknown storage engine 'InnoDB'
Warning 1356 View 'test.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
Warnings:
drop view v2;
|
