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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
# ------------------------------------------------------------
# Start server with old datadir with
# Table t1 and t2
# having c1, c2, c3 normal columns
# +------+------+------+
# | c1 | c2 | c3 |
# +------+------+------+
# | r1c1 | r1c2 | r1c3 |
# +------+------+------+
#
# Table t3
# having c1, c2 normal columns
# having c3 INSTANT ADD column with NULL default value
# having c4 INSTANT ADD column with default value
# +------+------+------+--------+
# | c1 | c2 | c3 | c4 |
# +------+------+------+--------+
# | r1c1 | r1c2 | NULL | c4_def |
# +------+------+------+--------+
# ------------------------------------------------------------
# Stop the running the server
# Copy and unzip the datadir.
# Restart the server against the unzipped datadir
# restart: --datadir=DATADIR --innodb-page-size=16k
# ------------------------------------------------------------
# TEST 1 : Old version tables have no INSTANT ADD Columns
# ------------------------------------------------------------
# ------------------------------------------------------------
# Check metadat of upgraded table t1 [c1, c2, c3]
# Expectation : New INSTANT METADATA is not present.
# ------------------------------------------------------------
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t1 6 0 0
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c2 1 13 16711934 0
c3 2 13 16711934 0
# ------------------------------------------------------------
# INSTANT DROP a column and check metadata t1 [c1, c3, -c2]
# Expectation : New INSTANT METADATA is populated.
# ------------------------------------------------------------
ALTER TABLE t1 DROP COLUMN c2, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t1 5 0 1
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c3 1 13 16711934 0
# ------------------------------------------------------------
# Check metadat of upgraded table t2 [c1, c2, c3]
# Expectation : New INSTANT METADATA is not present.
# ------------------------------------------------------------
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t2 6 0 0
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c2 1 13 16711934 0
c3 2 13 16711934 0
# ------------------------------------------------------------
# INSTANT ADD a column and check metadata t2 [c1, c2, c3, +c4]
# Expectation : New INSTANT METADATA is populated.
# ------------------------------------------------------------
ALTER TABLE t2 ADD COLUMN c4 CHAR(10) DEFAULT "c4_def", ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t2 7 0 1
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c2 1 13 16711934 0
c3 2 13 16711934 0
c4 3 13 16711934 1
# ------------------------------------------------------------
# INSTANT DROP a column and check metadata t2 [c1, c2, -c3, c4]
# Expectation : New INSTANT METADATA is updated.
# ------------------------------------------------------------
ALTER TABLE t2 DROP COLUMN c3, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t2 6 0 2
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c2 1 13 16711934 0
c4 2 13 16711934 1
DROP TABLE t1;
DROP TABLE t2;
# ------------------------------------------------------------
# TEST 2 : Old version tables have INSTANT ADD Columns
# ------------------------------------------------------------
# ------------------------------------------------------------
# Check metadat of upgraded table t3 [c1, c2, c3, c4]
# Expectation : Old INSTANT METADATA is present
# New INSTANT METADATA is not present.
# ------------------------------------------------------------
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t3 7 2 0
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c2 1 13 16711934 0
c3 2 13 16711934 1
c4 3 13 16711934 1
# --------------------------------------------------------------------
# INSTANT DROP a normal column and check metadata t3 [c1, -c2, c3, c4]
# Expectation : Old INSTANT METADATA stays same.
# New INSTANT METADATA is populated.
# ---------------------------------------------------------------------
ALTER TABLE t3 DROP COLUMN c2, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t3 6 2 1
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c3 1 13 16711934 1
c4 2 13 16711934 1
# -----------------------------------------------------------------------
# INSTANT DROP an INSTANT column and check metadata t3 [c1, ~c2, -c3, c4]
# Expectation : Old INSTANT METADATA stays same.
# New INSTANT METADATA is updated.
# -----------------------------------------------------------------------
ALTER TABLE t3 DROP COLUMN c3, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t3 5 2 2
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c4 1 13 16711934 1
# -----------------------------------------------------------------------
# INSTANT ADD a new column and check metadata t3 [c1, ~c2, ~c3, c4, +c5]
# Expectation : Old INSTANT METADATA stays same.
# New INSTANT METADATA is updated.
# -----------------------------------------------------------------------
ALTER TABLE t3 ADD COLUMN c5 CHAR(10) DEFAULT "c5_def", ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t3 6 2 3
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c4 1 13 16711934 1
c5 2 13 16711934 1
# -----------------------------------------------------------------------------
# INSTANT DROP newly added column and check metadata t3 [c1, ~c2, ~c3, c4, -c5]
# Expectation : Old INSTANT METADATA stays same.
# New INSTANT METADATA is updated.
# -----------------------------------------------------------------------------
ALTER TABLE t3 DROP COLUMN c5, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t3 5 2 4
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c4 1 13 16711934 1
DROP TABLE t3;
# -------------------------------------------------
# TEST 3 : New tables with INSTANT ADD/DROP Columns
# -------------------------------------------------
CREATE TABLE t1 (c1 char(10), c2 char(10), c3 char(10));
# ------------------------------------------------------------
# Check metadat of table t1 [c1, c2, c3]
# Expectation : Old INSTANT METADATA is not present
# New INSTANT METADATA is not present.
# ------------------------------------------------------------
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t1 6 0 0
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c2 1 13 16711934 0
c3 2 13 16711934 0
# -----------------------------------------------------------------------
# INSTANT DROP a column and check metadata t1 [c1, -c2, c3]
# Expectation : Old INSTANT METADATA is not present.
# New INSTANT METADATA is populated.
# -----------------------------------------------------------------------
ALTER TABLE t1 DROP COLUMN c2, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t1 5 0 1
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c3 1 13 16711934 0
# -----------------------------------------------------------------------
# INSTANT ADD a column and check metadata t1 [+c0, c1, ~c2, c3]
# Expectation : Old INSTANT METADATA not present.
# New INSTANT METADATA is updated.
# -----------------------------------------------------------------------
ALTER TABLE t1 ADD COLUMN c0 CHAR(10) DEFAULT "c0_def" FIRST, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t1 6 0 2
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c0 0 13 16711934 1
c1 1 13 16711934 0
c3 2 13 16711934 0
# ----------------------------------------------------------------------------
# INSTANT DROP the INSTANT ADD column and check metadata t1 [-c0, c1, ~c2, c3]
# Expectation : Old INSTANT METADATA is not present.
# New INSTANT METADATA is updated.
# ----------------------------------------------------------------------------
ALTER TABLE t1 DROP COLUMN c0, ALGORITHM=INSTANT;
# Metadata from INFORMATION_SCHEMA.TABLES
NAME N_COLS INSTANT_COLS TOTAL_ROW_VERSIONS
test/t1 5 0 3
# Metadata from INFORMATION_SCHEMA.COLUMNS
NAME POS MTYPE PRTYPE HAS_DEFAULT
c1 0 13 16711934 0
c3 1 13 16711934 0
DROP TABLE t1;
###########
# CLEANUP #
###########
# Shutdown server
# Remove copied files
# Restarting server to restore server state
# restart
|
