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mariadb/mysql-test/suite/innodb_zip/r/wl5522_debug_zip.result
Marko Mäkelä b42294bc64 MDEV-19514 Defer change buffer merge until pages are requested 
We will remove the InnoDB background operation of merging buffered
changes to secondary index leaf pages. Changes will only be merged as a
result of an operation that accesses a secondary index leaf page,
such as a SQL statement that performs a lookup via that index,
or is modifying the index. Also ROLLBACK and some background operations,
such as purging the history of committed transactions, or computing
index cardinality statistics, can cause change buffer merge.
Encryption key rotation will not perform change buffer merge.

The motivation of this change is to simplify the I/O logic and to
allow crash recovery to happen in the background (MDEV-14481).
We also hope that this will reduce the number of "mystery" crashes
due to corrupted data. Because change buffer merge will typically
take place as a result of executing SQL statements, there should be
a clearer connection between the crash and the SQL statements that
were executed when the server crashed.

In many cases, a slight performance improvement was observed.

This is joint work with Thirunarayanan Balathandayuthapani
and was tested by Axel Schwenke and Matthias Leich.

The InnoDB monitor counter innodb_ibuf_merge_usec will be removed.

On slow shutdown (innodb_fast_shutdown=0), we will continue to
merge all buffered changes (and purge all undo log history).

Two InnoDB configuration parameters will be changed as follows:

innodb_disable_background_merge: Removed.
This parameter existed only in debug builds.
All change buffer merges will use synchronous reads.

innodb_force_recovery will be changed as follows:
* innodb_force_recovery=4 will be the same as innodb_force_recovery=3
(the change buffer merge cannot be disabled; it can only happen as
a result of an operation that accesses a secondary index leaf page).
The option used to be capable of corrupting secondary index leaf pages.
Now that capability is removed, and innodb_force_recovery=4 becomes 'safe'.
* innodb_force_recovery=5 (which essentially hard-wires
SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED)
becomes safe to use. Bogus data can be returned to SQL, but
persistent InnoDB data files will not be corrupted further.
* innodb_force_recovery=6 (ignore the redo log files)
will be the only option that can potentially cause
persistent corruption of InnoDB data files.

Code changes:

buf_page_t::ibuf_exist: New flag, to indicate whether buffered
changes exist for a buffer pool page. Pages with pending changes
can be returned by buf_page_get_gen(). Previously, the changes
were always merged inside buf_page_get_gen() if needed.

ibuf_page_exists(const buf_page_t&): Check if a buffered changes
exist for an X-latched or read-fixed page.

buf_page_get_gen(): Add the parameter allow_ibuf_merge=false.
All callers that know that they may be accessing a secondary index
leaf page must pass this parameter as allow_ibuf_merge=true,
unless it does not matter for that caller whether all buffered
changes have been applied. Assert that whenever allow_ibuf_merge
holds, the page actually is a leaf page. Attempt change buffer
merge only to secondary B-tree index leaf pages.

btr_block_get(): Add parameter 'bool merge'.
All callers of btr_block_get() should know whether the page could be
a secondary index leaf page. If it is not, we should avoid consulting
the change buffer bitmap to even consider a merge. This is the main
interface to requesting index pages from the buffer pool.

ibuf_merge_or_delete_for_page(), recv_recover_page(): Replace
buf_page_get_known_nowait() with much simpler logic, because
it is now guaranteed that that the block is x-latched or read-fixed.

mlog_init_t::mark_ibuf_exist(): Renamed from mlog_init_t::ibuf_merge().
On crash recovery, we will no longer merge any buffered changes
for the pages that we read into the buffer pool during the last batch
of applying log records.

buf_page_get_gen_known_nowait(), BUF_MAKE_YOUNG, BUF_KEEP_OLD: Remove.

btr_search_guess_on_hash(): Merge buf_page_get_gen_known_nowait()
to its only remaining caller.

buf_page_make_young_if_needed(): Define as an inline function.
Add the parameter buf_pool.

buf_page_peek_if_young(), buf_page_peek_if_too_old(): Add the
parameter buf_pool.

fil_space_validate_for_mtr_commit(): Remove a bogus comment
about background merge of the change buffer.

btr_cur_open_at_rnd_pos_func(), btr_cur_search_to_nth_level_func(),
btr_cur_open_at_index_side_func(): Use narrower data types and scopes.

ibuf_read_merge_pages(): Replaces buf_read_ibuf_merge_pages().
Merge the change buffer by invoking buf_page_get_gen().
2019-10-11 17:28:15 +03:00

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call mtr.add_suppression("InnoDB: Tablespace for table .* is set as discarded.");
call mtr.add_suppression("InnoDB: Cannot calculate statistics for table .* because the .ibd file is missing. Please refer to .* for how to resolve the issue.");
call mtr.add_suppression("InnoDB: Page 0 at offset 0 looks corrupted in file .*");
call mtr.add_suppression("InnoDB: Page for tablespace ");
call mtr.add_suppression("InnoDB: Invalid FSP_SPACE_FLAGS=0x");
FLUSH TABLES;
SET SESSION innodb_strict_mode=1;
CREATE DATABASE test_wl5522;
CREATE TABLE test_wl5522.t1 (c1 INT) ENGINE = Innodb
ROW_FORMAT=COMPRESSED;
INSERT INTO test_wl5522.t1 VALUES (1), (2), (3), (4);
FLUSH TABLES test_wl5522.t1 FOR EXPORT;
backup: t1
UNLOCK TABLES;
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (c1 INT) ENGINE = Innodb
ROW_FORMAT=COMPRESSED;
INSERT INTO test_wl5522.t1 VALUES (1);
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_before_commit_crash";
SELECT * FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Lost connection to MySQL server during query
SET SESSION debug_dbug="+d,ib_import_before_checkpoint_crash";
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Lost connection to MySQL server during query
unlink: t1.ibd
unlink: t1.cfg
# Restart and reconnect to the server
DROP TABLE test_wl5522.t1;
SET SESSION innodb_strict_mode=1;
CREATE TABLE test_wl5522.t1 (c1 INT) ENGINE = Innodb
ROW_FORMAT=COMPRESSED;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
restore: t1 .ibd and .cfg files
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
CHECK TABLE test_wl5522.t1;
Table Op Msg_type Msg_text
test_wl5522.t1 check status OK
SELECT COUNT(*) FROM test_wl5522.t1;
COUNT(*)
4
INSERT INTO test_wl5522.t1 VALUES(400), (500), (600);
SELECT * FROM test_wl5522.t1;
c1
1
2
3
4
400
500
600
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (c1 INT) ENGINE = Innodb
ROW_FORMAT=COMPRESSED;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET @saved_debug_dbug = @@SESSION.debug_dbug;
SET SESSION debug_dbug="+d,ib_import_internal_error";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Internal error: While updating the <space, root page number> of index GEN_CLUST_INDEX - Generic error
SET SESSION debug_dbug=@saved_debug_dbug;
restore: t1 .ibd and .cfg files
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (c1 INT) ENGINE = Innodb
ROW_FORMAT=COMPRESSED;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_reset_space_and_lsn_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Internal error: Cannot reset LSNs in table `test_wl5522`.`t1` : Too many concurrent transactions
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug=@saved_debug_dbug;
SET SESSION debug_dbug="+d,ib_import_open_tablespace_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Got error 44 't1.ibd
SET SESSION debug_dbug=@saved_debug_dbug;
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_check_bitmap_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Index for table 't1' is corrupt; try to repair it
SET SESSION debug_dbug=@saved_debug_dbug;
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_cluster_root_adjust_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Index for table 't1' is corrupt; try to repair it
SET SESSION debug_dbug=@saved_debug_dbug;
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_cluster_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Index for table 't1' is corrupt; try to repair it
SET SESSION debug_dbug=@saved_debug_dbug;
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_sec_root_adjust_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Index for table 't1' is corrupt; try to repair it
SET SESSION debug_dbug=@saved_debug_dbug;
restore: t1 .ibd and .cfg files
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (
c1 BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
c2 BIGINT,
c3 VARCHAR(2048),
c4 VARCHAR(2048),
INDEX idx1(c2),
INDEX idx2(c3(512)),
INDEX idx3(c4(512))) Engine=InnoDB
ROW_FORMAT=COMPRESSED;
connect purge_control,localhost,root;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
connection default;
SET GLOBAL innodb_monitor_reset = ibuf_merges;
SET GLOBAL innodb_monitor_reset = ibuf_merges_insert;
INSERT INTO test_wl5522.t1(c2, c3, c4) VALUES
(1, REPEAT('a', 2048), REPEAT('a', 2048)),
(2, REPEAT('b', 2048), REPEAT('b', 2048)),
(3, REPEAT('c', 2048), REPEAT('c', 2048)),
(4, REPEAT('d', 2048), REPEAT('d', 2048));
INSERT INTO test_wl5522.t1(c2, c3, c4) SELECT c2, c3, c4 FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1(c2, c3, c4) SELECT c2, c3, c4 FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1(c2, c3, c4) SELECT c2, c3, c4 FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1(c2, c3, c4) SELECT c2, c3, c4 FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1(c2, c3, c4) SELECT c2, c3, c4 FROM test_wl5522.t1;
DELETE FROM test_wl5522.t1 WHERE c2 = 1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c2 = c2 + c1;
UPDATE test_wl5522.t1 SET c3 = REPEAT("c2", 1024);
UPDATE test_wl5522.t1 SET c4 = REPEAT("c4", 1024);
SHOW CREATE TABLE test_wl5522.t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` bigint(20) NOT NULL AUTO_INCREMENT,
`c2` bigint(20) DEFAULT NULL,
`c3` varchar(2048) DEFAULT NULL,
`c4` varchar(2048) DEFAULT NULL,
PRIMARY KEY (`c1`),
KEY `idx1` (`c2`),
KEY `idx2` (`c3`(512)),
KEY `idx3` (`c4`(512))
) ENGINE=InnoDB AUTO_INCREMENT=248 DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED
SELECT c1, c2 FROM test_wl5522.t1;
c1 c2
2 32
3 48
4 64
6 92
7 108
8 124
13 197
14 213
15 229
17 257
18 273
19 289
28 422
29 438
30 454
32 482
33 498
34 514
36 542
37 558
38 574
40 602
41 618
42 634
59 887
60 903
61 919
63 947
64 963
65 979
67 1007
68 1023
69 1039
71 1067
72 1083
73 1099
75 1127
76 1143
77 1159
79 1187
80 1203
81 1219
83 1247
84 1263
85 1279
87 1307
88 1323
89 1339
122 1832
123 1848
124 1864
126 1892
127 1908
128 1924
130 1952
131 1968
132 1984
134 2012
135 2028
136 2044
138 2072
139 2088
140 2104
142 2132
143 2148
144 2164
146 2192
147 2208
148 2224
150 2252
151 2268
152 2284
154 2312
155 2328
156 2344
158 2372
159 2388
160 2404
162 2432
163 2448
164 2464
166 2492
167 2508
168 2524
170 2552
171 2568
172 2584
174 2612
175 2628
176 2644
178 2672
179 2688
180 2704
182 2732
183 2748
184 2764
SELECT COUNT(*) FROM test_wl5522.t1;
COUNT(*)
96
SELECT SUM(c2) FROM test_wl5522.t1;
SUM(c2)
145278
SELECT name
FROM information_schema.innodb_metrics
WHERE name = 'ibuf_merges_insert' AND count = 0;
name
ibuf_merges_insert
FLUSH TABLES test_wl5522.t1 FOR EXPORT;
backup: t1
UNLOCK TABLES;
SELECT name
FROM information_schema.innodb_metrics
WHERE name = 'ibuf_merges' AND count > 0;
name
SELECT name
FROM information_schema.innodb_metrics
WHERE name = 'ibuf_merges_inserts' AND count > 0;
name
connection purge_control;
COMMIT;
disconnect purge_control;
connection default;
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (
c1 BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
c2 BIGINT,
c3 VARCHAR(2048),
c4 VARCHAR(2048),
INDEX idx1(c2),
INDEX idx2(c3(512)),
INDEX idx3(c4(512))) Engine=InnoDB
ROW_FORMAT=COMPRESSED;
SELECT c1, c2 FROM test_wl5522.t1;
c1 c2
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
restore: t1 .ibd and .cfg files
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
CHECK TABLE test_wl5522.t1;
Table Op Msg_type Msg_text
test_wl5522.t1 check status OK
SELECT c1,c2 FROM test_wl5522.t1;
c1 c2
2 32
3 48
4 64
6 92
7 108
8 124
13 197
14 213
15 229
17 257
18 273
19 289
28 422
29 438
30 454
32 482
33 498
34 514
36 542
37 558
38 574
40 602
41 618
42 634
59 887
60 903
61 919
63 947
64 963
65 979
67 1007
68 1023
69 1039
71 1067
72 1083
73 1099
75 1127
76 1143
77 1159
79 1187
80 1203
81 1219
83 1247
84 1263
85 1279
87 1307
88 1323
89 1339
122 1832
123 1848
124 1864
126 1892
127 1908
128 1924
130 1952
131 1968
132 1984
134 2012
135 2028
136 2044
138 2072
139 2088
140 2104
142 2132
143 2148
144 2164
146 2192
147 2208
148 2224
150 2252
151 2268
152 2284
154 2312
155 2328
156 2344
158 2372
159 2388
160 2404
162 2432
163 2448
164 2464
166 2492
167 2508
168 2524
170 2552
171 2568
172 2584
174 2612
175 2628
176 2644
178 2672
179 2688
180 2704
182 2732
183 2748
184 2764
SELECT COUNT(*) FROM test_wl5522.t1;
COUNT(*)
96
SELECT SUM(c2) FROM test_wl5522.t1;
SUM(c2)
145278
SHOW CREATE TABLE test_wl5522.t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` bigint(20) NOT NULL AUTO_INCREMENT,
`c2` bigint(20) DEFAULT NULL,
`c3` varchar(2048) DEFAULT NULL,
`c4` varchar(2048) DEFAULT NULL,
PRIMARY KEY (`c1`),
KEY `idx1` (`c2`),
KEY `idx2` (`c3`(512)),
KEY `idx3` (`c4`(512))
) ENGINE=InnoDB AUTO_INCREMENT=248 DEFAULT CHARSET=latin1 ROW_FORMAT=COMPRESSED
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
INSERT IGNORE INTO test_wl5522.t1 VALUES
(100, REPEAT('Karanbir', 899), REPEAT('Ajeeth', 1200));
Warnings:
Warning 1265 Data truncated for column 'c2' at row 1
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
INSERT INTO test_wl5522.t1 SELECT * FROM test_wl5522.t1;
SELECT COUNT(*) FROM test_wl5522.t1;
COUNT(*)
256
FLUSH TABLES test_wl5522.t1 FOR EXPORT;
backup: t1
UNLOCK TABLES;
DROP TABLE test_wl5522.t1;
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_trigger_corruption_1";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Internal error: Cannot reset LSNs in table `test_wl5522`.`t1` : Data structure corruption
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,buf_page_import_corrupt_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Internal error: Cannot reset LSNs in table `test_wl5522`.`t1` : Data structure corruption
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_trigger_corruption_2";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Index corrupt: Externally stored column(5) has a reference length of 19 in the cluster index GEN_CLUST_INDEX
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,ib_import_trigger_corruption_3";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Index for table 't1' is corrupt; try to repair it
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
SET SESSION debug_dbug="+d,ib_import_create_index_failure_1";
ALTER TABLE test_wl5522.t1 ADD INDEX idx(c1);
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,fil_space_create_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Got error 11 't1.ibd
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,dict_tf_to_fsp_flags_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Got error 39 't1.ibd
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
CREATE TABLE test_wl5522.t1 (c1 INT, c2 VARCHAR(1024), c3 BLOB) ENGINE = Innodb
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
ALTER TABLE test_wl5522.t1 DISCARD TABLESPACE;
SELECT COUNT(*) FROM test_wl5522.t1;
ERROR HY000: Tablespace has been discarded for table `t1`
restore: t1 .ibd and .cfg files
SET SESSION debug_dbug="+d,fsp_flags_is_valid_failure";
ALTER TABLE test_wl5522.t1 IMPORT TABLESPACE;
ERROR HY000: Internal error: Cannot reset LSNs in table `test_wl5522`.`t1` : Data structure corruption
SET SESSION debug_dbug=@saved_debug_dbug;
DROP TABLE test_wl5522.t1;
unlink: t1.ibd
unlink: t1.cfg
DROP DATABASE test_wl5522;
set global innodb_monitor_disable = all;
set global innodb_monitor_reset_all = all;
set global innodb_monitor_enable = default;
set global innodb_monitor_disable = default;
set global innodb_monitor_reset = default;
set global innodb_monitor_reset_all = default;
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