Linux ip-172-26-2-223 5.4.0-1018-aws #18-Ubuntu SMP Wed Jun 24 01:15:00 UTC 2020 x86_64
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: 172.26.2.223 | : 18.226.181.89
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8.1.13
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[ HOME SHELL ]
Name
Size
Permission
Action
1st.result
597
B
-rw-r--r--
acl_tables_errors_debug.result
8.93
KB
-rw-r--r--
alias.result
13.58
KB
-rw-r--r--
almost_full.result
1.11
KB
-rw-r--r--
alter_table-big.result
5.45
KB
-rw-r--r--
alter_table.result
154.41
KB
-rw-r--r--
analyze.result
3.69
KB
-rw-r--r--
ansi.result
1.92
KB
-rw-r--r--
archive-big.result
616
B
-rw-r--r--
archive.result
525.18
KB
-rw-r--r--
archive_bitfield.result
4.26
KB
-rw-r--r--
archive_debug.result
355
B
-rw-r--r--
archive_gis.result
25.98
KB
-rw-r--r--
archive_no_symlink.result
882
B
-rw-r--r--
archive_plugin.result
531
B
-rw-r--r--
archive_symlink.result
2.3
KB
-rw-r--r--
auth_rpl.result
1.85
KB
-rw-r--r--
auto_increment.result
12.11
KB
-rw-r--r--
backup.result
4.29
KB
-rw-r--r--
bench_count_distinct.result
557
B
-rw-r--r--
big_test.require
17
B
-rw-r--r--
bigint.result
23.33
KB
-rw-r--r--
binary.result
6.09
KB
-rw-r--r--
binary_to_hex.result
5.87
KB
-rw-r--r--
binlog_tx_isolation.result
1.71
KB
-rw-r--r--
blackhole.result
613
B
-rw-r--r--
blackhole_plugin.result
565
B
-rw-r--r--
bool.result
2.67
KB
-rw-r--r--
bootstrap.result
525
B
-rw-r--r--
bug12368203.result
2.77
KB
-rw-r--r--
bug12427262.result
1.86
KB
-rw-r--r--
bug12969156.result
952
B
-rw-r--r--
bug17076131.result
322
B
-rw-r--r--
bug33509.result
2.31
KB
-rw-r--r--
bug39022.result
1.2
KB
-rw-r--r--
bug46080.result
669
B
-rw-r--r--
bug46261.result
353
B
-rw-r--r--
bug46760.result
1.26
KB
-rw-r--r--
bug47671.result
287
B
-rw-r--r--
bug58669.result
480
B
-rw-r--r--
bulk_replace.result
281
B
-rw-r--r--
cache_innodb.result
6.96
KB
-rw-r--r--
case.result
10.63
KB
-rw-r--r--
case_insensitive_file_system.r...
46
B
-rw-r--r--
case_sensitive_file_system.req...
47
B
-rw-r--r--
cast.result
16.27
KB
-rw-r--r--
change_user.result
2.82
KB
-rw-r--r--
charset.result
2.14
KB
-rw-r--r--
check.result
2.05
KB
-rw-r--r--
check_auto_permission.result
261
B
-rw-r--r--
check_var_limit.require
8
B
-rw-r--r--
client_xml.result
2.38
KB
-rw-r--r--
comment_column.result
141.21
KB
-rw-r--r--
comment_column2.result
355.68
KB
-rw-r--r--
comment_index.result
173.32
KB
-rw-r--r--
comment_table.result
28.95
KB
-rw-r--r--
comments.result
2.34
KB
-rw-r--r--
commit.result
14.83
KB
-rw-r--r--
commit_1innodb.result
19.59
KB
-rw-r--r--
compare.result
5.07
KB
-rw-r--r--
compress.result
66.24
KB
-rw-r--r--
concurrent_innodb_safelog.resu...
32.01
KB
-rw-r--r--
concurrent_innodb_unsafelog.re...
31.74
KB
-rw-r--r--
condition_filter.result
2.17
KB
-rw-r--r--
connect.result
11.02
KB
-rw-r--r--
connect_debug.result
1.46
KB
-rw-r--r--
consistent_snapshot.result
1.14
KB
-rw-r--r--
constraints.result
2.56
KB
-rw-r--r--
count_distinct.result
8.04
KB
-rw-r--r--
count_distinct2.result
2.21
KB
-rw-r--r--
count_distinct3.result
278
B
-rw-r--r--
create-big.result
7.6
KB
-rw-r--r--
create.result
71.42
KB
-rw-r--r--
create_not_windows.result
961
B
-rw-r--r--
create_select_tmp.result
846
B
-rw-r--r--
create_w_max_indexes_64.result
84.46
KB
-rw-r--r--
csv.result
59.08
KB
-rw-r--r--
csv_alter_table.result
1.17
KB
-rw-r--r--
csv_not_null.result
1.93
KB
-rw-r--r--
ctype_ascii.result
2.5
KB
-rw-r--r--
ctype_big5.result
34.28
KB
-rw-r--r--
ctype_binary.result
82.78
KB
-rw-r--r--
ctype_collate.result
18.3
KB
-rw-r--r--
ctype_cp1250_ch.result
22.29
KB
-rw-r--r--
ctype_cp1251.result
96.48
KB
-rw-r--r--
ctype_cp932.result
996
B
-rw-r--r--
ctype_cp932_binlog_row.result
734
B
-rw-r--r--
ctype_cp932_binlog_stm.result
251.36
KB
-rw-r--r--
ctype_create.result
3.12
KB
-rw-r--r--
ctype_errors.result
1.66
KB
-rw-r--r--
ctype_eucjpms.result
400.48
KB
-rw-r--r--
ctype_euckr.result
435.54
KB
-rw-r--r--
ctype_filename.result
324
B
-rw-r--r--
ctype_filesystem.result
341
B
-rw-r--r--
ctype_gb18030.result
69.33
KB
-rw-r--r--
ctype_gb18030_binlog.result
909
B
-rw-r--r--
ctype_gb18030_conversion.resul...
1.17
MB
-rw-r--r--
ctype_gb18030_encoding_cn.resu...
41.39
KB
-rw-r--r--
ctype_gb18030_encoding_utf8.re...
40.64
KB
-rw-r--r--
ctype_gb18030_ligatures.result
24.81
KB
-rw-r--r--
ctype_gb2312.result
33.73
KB
-rw-r--r--
ctype_gbk.result
50.07
KB
-rw-r--r--
ctype_gbk_binlog.result
633
B
-rw-r--r--
ctype_hebrew.result
254
B
-rw-r--r--
ctype_latin1.result
119.29
KB
-rw-r--r--
ctype_latin1_de.result
15.74
KB
-rw-r--r--
ctype_latin2.result
13.71
KB
-rw-r--r--
ctype_latin2_ch.result
25.11
KB
-rw-r--r--
ctype_ldml.result
28.13
KB
-rw-r--r--
ctype_like_range.result
80.89
KB
-rw-r--r--
ctype_many.result
41.87
KB
-rw-r--r--
ctype_mb.result
2.13
KB
-rw-r--r--
ctype_recoding.result
9.6
KB
-rw-r--r--
ctype_sjis.result
195.81
KB
-rw-r--r--
ctype_tis620.result
101.02
KB
-rw-r--r--
ctype_uca.result
155.4
KB
-rw-r--r--
ctype_ucs.result
143.96
KB
-rw-r--r--
ctype_ucs2_def.result
1.05
KB
-rw-r--r--
ctype_ujis.result
365.3
KB
-rw-r--r--
ctype_ujis_ucs2.result
548.6
KB
-rw-r--r--
ctype_utf16.result
47.3
KB
-rw-r--r--
ctype_utf16_def.result
273
B
-rw-r--r--
ctype_utf16_uca.result
72.47
KB
-rw-r--r--
ctype_utf16le.result
52.96
KB
-rw-r--r--
ctype_utf32.result
50.55
KB
-rw-r--r--
ctype_utf32_uca.result
75.29
KB
-rw-r--r--
ctype_utf8.result
169.69
KB
-rw-r--r--
ctype_utf8mb4.result
83.57
KB
-rw-r--r--
ctype_utf8mb4_heap.result
75.01
KB
-rw-r--r--
ctype_utf8mb4_innodb.result
77.85
KB
-rw-r--r--
ctype_utf8mb4_myisam.result
77.43
KB
-rw-r--r--
ctype_utf8mb4_uca.result
38.82
KB
-rw-r--r--
daemonize_opt.result
14
B
-rw-r--r--
datadir_permission.result
1.09
KB
-rw-r--r--
date_formats.result
28.69
KB
-rw-r--r--
ddl_i18n_koi8r.result
123.56
KB
-rw-r--r--
ddl_i18n_utf8.result
126.58
KB
-rw-r--r--
deadlock_innodb.result
2.35
KB
-rw-r--r--
debug_sync.result
12.18
KB
-rw-r--r--
debug_sync2.result
1.15
KB
-rw-r--r--
default.result
8.17
KB
-rw-r--r--
delete.result
22.7
KB
-rw-r--r--
delete_all_rows.result
2.26
KB
-rw-r--r--
deprecate_eof.result
8
KB
-rw-r--r--
deprecated_features.result
2.03
KB
-rw-r--r--
derived.result
172.18
KB
-rw-r--r--
dirty_close.result
345
B
-rw-r--r--
disabled_replication.result
4.82
KB
-rw-r--r--
disabled_storage_engines.resul...
3.28
KB
-rw-r--r--
disconnect_on_expired_password...
1.42
KB
-rw-r--r--
disconnect_on_expired_password...
1.49
KB
-rw-r--r--
distinct.result
80.43
KB
-rw-r--r--
drop-no_root.result
454
B
-rw-r--r--
drop.result
6.71
KB
-rw-r--r--
drop_debug.result
485
B
-rw-r--r--
ds_mrr-big.result
2.93
KB
-rw-r--r--
dynamic_tracing.result
813
B
-rw-r--r--
empty_table.result
229
B
-rw-r--r--
enable_cleartext_plugin.result
1.4
KB
-rw-r--r--
endspace.result
7.25
KB
-rw-r--r--
eq_range_idx_stat.result
6.56
KB
-rw-r--r--
error_simulation.result
3.17
KB
-rw-r--r--
errors.result
6.11
KB
-rw-r--r--
events_1.result
28.3
KB
-rw-r--r--
events_2.result
17.79
KB
-rw-r--r--
events_and_binlog.result
297
B
-rw-r--r--
events_bugs.result
40.94
KB
-rw-r--r--
events_embedded.result
86
B
-rw-r--r--
events_grant.result
10.33
KB
-rw-r--r--
events_logs_tests.result
2.37
KB
-rw-r--r--
events_microsec.result
810
B
-rw-r--r--
events_restart.result
4.36
KB
-rw-r--r--
events_scheduling.result
3.11
KB
-rw-r--r--
events_stress.result
2.39
KB
-rw-r--r--
events_time_zone.result
5.4
KB
-rw-r--r--
events_trans.result
3.61
KB
-rw-r--r--
events_trans_notembedded.resul...
1.88
KB
-rw-r--r--
examined_rows.result
6.73
KB
-rw-r--r--
execution_constants.result
1.03
KB
-rw-r--r--
explain.result
39.39
KB
-rw-r--r--
explain_for_connection_crash.r...
1004
B
-rw-r--r--
explain_for_connection_rqg_jso...
87.48
KB
-rw-r--r--
explain_for_connection_rqg_tra...
35.98
KB
-rw-r--r--
explain_for_connection_small_j...
25.46
KB
-rw-r--r--
explain_for_connection_small_t...
10.3
KB
-rw-r--r--
explain_json_all.result
98.36
KB
-rw-r--r--
explain_json_none.result
102.18
KB
-rw-r--r--
explain_other.result
42.23
KB
-rw-r--r--
file_contents.result
181
B
-rw-r--r--
filesort_debug.result
4.59
KB
-rw-r--r--
filesort_merge.result
2.02
KB
-rw-r--r--
filesort_pack.result
675
B
-rw-r--r--
filter_single_col_idx_big.resu...
38.05
KB
-rw-r--r--
filter_single_col_idx_small.re...
42.99
KB
-rw-r--r--
fix_priv_tables.result
1.96
KB
-rw-r--r--
flush.result
13.78
KB
-rw-r--r--
flush2.result
1.06
KB
-rw-r--r--
flush_block_commit.result
1.47
KB
-rw-r--r--
flush_block_commit_notembedded...
872
B
-rw-r--r--
flush_read_lock.result
73.94
KB
-rw-r--r--
flush_read_lock_kill.result
1.12
KB
-rw-r--r--
flush_table.result
12.33
KB
-rw-r--r--
foreign_key.result
4.84
KB
-rw-r--r--
fulltext.result
32.93
KB
-rw-r--r--
fulltext2.result
7.54
KB
-rw-r--r--
fulltext3.result
815
B
-rw-r--r--
fulltext_cache.result
2.67
KB
-rw-r--r--
fulltext_distinct.result
1.45
KB
-rw-r--r--
fulltext_left_join.result
4
KB
-rw-r--r--
fulltext_multi.result
766
B
-rw-r--r--
fulltext_order_by.result
6.05
KB
-rw-r--r--
fulltext_plugin.result
229
B
-rw-r--r--
fulltext_update.result
1.11
KB
-rw-r--r--
fulltext_var.result
1.3
KB
-rw-r--r--
func_aes.result
12.97
KB
-rw-r--r--
func_aes_cfb1.result
4.5
KB
-rw-r--r--
func_aes_cfb128.result
4.57
KB
-rw-r--r--
func_aes_cfb8.result
4.5
KB
-rw-r--r--
func_aes_kdf_hkdf.result
3.94
KB
-rw-r--r--
func_aes_kdf_pbkdf2_hmac.resul...
6.79
KB
-rw-r--r--
func_aes_misc.result
8.46
KB
-rw-r--r--
func_aes_ofb.result
4.47
KB
-rw-r--r--
func_analyse.result
23.09
KB
-rw-r--r--
func_bitwise_ops.result
80.6
KB
-rw-r--r--
func_compress.result
5.46
KB
-rw-r--r--
func_concat.result
4.37
KB
-rw-r--r--
func_crypt.result
2.05
KB
-rw-r--r--
func_date_add.result
3.74
KB
-rw-r--r--
func_default.result
1.45
KB
-rw-r--r--
func_des_encrypt.result
2.68
KB
-rw-r--r--
func_digest.result
122.35
KB
-rw-r--r--
func_encrypt.result
19.82
KB
-rw-r--r--
func_encrypt_nossl.result
7.75
KB
-rw-r--r--
func_encrypt_ucs2.result
1.21
KB
-rw-r--r--
func_equal.result
1.27
KB
-rw-r--r--
func_found_rows.result
285
B
-rw-r--r--
func_gconcat.result
49.9
KB
-rw-r--r--
func_group.result
66.46
KB
-rw-r--r--
func_group_innodb.result
6.07
KB
-rw-r--r--
func_group_innodb_16k.result
693
B
-rw-r--r--
func_if.result
6.29
KB
-rw-r--r--
func_in_all.result
49.27
KB
-rw-r--r--
func_in_icp.result
48.91
KB
-rw-r--r--
func_in_icp_mrr.result
49.21
KB
-rw-r--r--
func_in_mrr.result
48.93
KB
-rw-r--r--
func_in_mrr_cost.result
48.65
KB
-rw-r--r--
func_in_none.result
48.6
KB
-rw-r--r--
func_isnull.result
827
B
-rw-r--r--
func_like.result
7.78
KB
-rw-r--r--
func_math.result
42.22
KB
-rw-r--r--
func_misc.result
36.8
KB
-rw-r--r--
func_op.result
2.12
KB
-rw-r--r--
func_regexp.result
4.47
KB
-rw-r--r--
func_rollback.result
13.02
KB
-rw-r--r--
func_sapdb.result
12.49
KB
-rw-r--r--
func_set.result
8.9
KB
-rw-r--r--
func_str.result
174.94
KB
-rw-r--r--
func_str_debug.result
349
B
-rw-r--r--
func_str_no_ps.result
1.3
KB
-rw-r--r--
func_system.result
2.9
KB
-rw-r--r--
func_test.result
14.47
KB
-rw-r--r--
func_time.result
71.47
KB
-rw-r--r--
func_timestamp.result
518
B
-rw-r--r--
func_weight_string.result
11.56
KB
-rw-r--r--
function_defaults.result
109.58
KB
-rw-r--r--
gcc296.result
528
B
-rw-r--r--
get_diagnostics.result
28.42
KB
-rw-r--r--
get_table_share.result
20.56
KB
-rw-r--r--
gis-debug.result
10.1
KB
-rw-r--r--
gis-precise.result
162.17
KB
-rw-r--r--
gis-rt-precise.result
2.42
KB
-rw-r--r--
gis-rtree.result
102.08
KB
-rw-r--r--
gis.result
131.8
KB
-rw-r--r--
grant.result
121.17
KB
-rw-r--r--
grant2.result
36.52
KB
-rw-r--r--
grant3.result
8.41
KB
-rw-r--r--
grant4.result
9.36
KB
-rw-r--r--
grant_alter_user.result
40.96
KB
-rw-r--r--
grant_alter_user_qa.result
98.38
KB
-rw-r--r--
grant_cache.result
6.71
KB
-rw-r--r--
grant_debug.result
8.5
KB
-rw-r--r--
grant_explain_non_select.resul...
10.27
KB
-rw-r--r--
grant_lowercase_fs.result
1.2
KB
-rw-r--r--
grant_user_lock.result
16.9
KB
-rw-r--r--
grant_user_lock_qa.result
41.4
KB
-rw-r--r--
greedy_optimizer.result
632.59
KB
-rw-r--r--
greedy_search.result
31.05
KB
-rw-r--r--
group_by.result
120.07
KB
-rw-r--r--
group_by_fd_no_prot.result
81.15
KB
-rw-r--r--
group_by_fd_ps_prot.result
61.28
KB
-rw-r--r--
group_min_max.result
189.52
KB
-rw-r--r--
group_min_max_innodb.result
25.09
KB
-rw-r--r--
gtid_next_xa_binlog_off.result
30.9
KB
-rw-r--r--
gtids_anonymous_trxs_violation...
687
B
-rw-r--r--
handler_innodb.result
41.58
KB
-rw-r--r--
handler_myisam.result
45.48
KB
-rw-r--r--
handler_read_last.result
1.15
KB
-rw-r--r--
have_big5.require
79
B
-rw-r--r--
have_binlog_format_mixed.requi...
40
B
-rw-r--r--
have_binlog_format_row.require
38
B
-rw-r--r--
have_binlog_format_statement.r...
44
B
-rw-r--r--
have_compress.require
38
B
-rw-r--r--
have_cp1250_ch.require
79
B
-rw-r--r--
have_cp1251.require
84
B
-rw-r--r--
have_cp866.require
82
B
-rw-r--r--
have_cp932.require
83
B
-rw-r--r--
have_crypt.require
35
B
-rw-r--r--
have_debug.require
8
B
-rw-r--r--
have_debug_sync.require
13
B
-rw-r--r--
have_eucjpms.require
87
B
-rw-r--r--
have_euckr.require
81
B
-rw-r--r--
have_gb18030.require
87
B
-rw-r--r--
have_gb2312.require
84
B
-rw-r--r--
have_gbk.require
78
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Code Editor : get_table_share.result
########################################################### # # Test cases for wl#7593: Don't hold LOCK_open... # # 1) The first basic scenario is based on concurrency and # sequencing of three threads: Let thread TA1 open table ta, # while thread TB1 and TB2 open table tb. Now, we have various # possible situations that are considered in the three first # test cases below, which are all based on this point of # departure, referred to as (1) below. # # 2) The second basic scenario is based on three threads: Let # thread TB1 and TB2 open table tb, while thread TA1 issues a # FLUSH TABLES in order to flush the cache while a share is # being initialized. The three last test cases are variants of # this scenario, referred to as (2) below. # # 3) The third scenario is based on two threads: One thread # doing CREATE TABLE while another issues LOCK TABLE on the # same table. There is one test case based on this scenario. # # 4) The fourth scenario is based on two threads: One thread # TB1 opening table tb, being paused while opening the share, # while another thread TB2 issues the SQL command SHOW OPEN # TABLES. Then, we verify that the table being opened is excluded # from the list of open tables. A related test case is relevant # in the context of the federated storage engine, and is located # in suite/federated/federated_get_table_share.test. # ########################################################### # # Test setup: Create three reusable connections: # connect con_TA1, localhost, root; connect con_TB1, localhost, root; connect con_TB2, localhost, root; ########################################################### # # Test case 1.1: After 1), verify that if thread TA1 # broadcasts COND_open first, thread TB2 will wake up, # re-fetch its share and see that m_open_in_progress is # still true, and then continue waiting for COND_open. # # connection default; # Create two tables: CREATE TABLE ta (pk integer primary key); CREATE TABLE tb (pk integer primary key); # connection con_TA1; # Wait after releasing LOCK_open for ta, and make sure we never # end up at the 'found_share' sync point: SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TA1 WAIT_FOR cont_TA1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO ta VALUES(1); # connection con_TB1; # Wait for open_TA1, then wait after releasing LOCK_open for tb, # also make sure we never end up at the 'found_share' sync point: SET DEBUG_SYNC= 'now WAIT_FOR open_TA1'; SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_TB1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(1); # connection con_TB2; # Wait for open_TB1, then wait after the tb share is found in the # TDC. Wake up when TA1 broadcasts COND_open, then go back to wait # since a different share (ta) was opened. Finally stop at the # 'found_share' sync point to verify that the share being addressed # is now available. Also make sure we never end up at the # 'before_open' sync point: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SET DEBUG_SYNC= 'get_share_found_share SIGNAL found_TB2'; SET DEBUG_SYNC= 'get_share_before_open HIT_LIMIT 1'; INSERT INTO tb VALUES(2); # connection default; # Now, we know that TA1 and TB1 are about to open the shares # for ta and tb concurrently. We also know that TB2 is about to # wait for COND_open. First issue then is to make sure TB2 waits # for COND_open (using P_S.events_waits_current, not logged here): # # Then we save the event id for later: SET @first_wait_id= 0; SELECT event_id FROM performance_schema.events_waits_current WHERE event_name LIKE '%COND_open' INTO @first_wait_id; # # Next up is to make one of the opening threads read the definition. # Here, we let TA1 read first: SET DEBUG_SYNC= 'now SIGNAL cont_TA1'; # # Then, we make sure TB2 leaves the wait for COND_open, and then # waits for it once more. Verify this by waiting for the event_id # to change: # # Then, we signal TB1 to make it open its def and do its things, # this will also wake up TB2 (now waiting on the COND_open): SET DEBUG_SYNC= 'now SIGNAL cont_TB1'; # # And at last, we wait for TB2 to signal that it found its share: SET DEBUG_SYNC= 'now WAIT_FOR found_TB2'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TA1; connection con_TB1; connection con_TB2; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE ta, tb; ########################################################### # # Test case 1.2: After 1), verify that if thread TB1 # broadcasts COND_open first, thread TB2 will wake up, # re-fetch its share and see that m_open_in_progress is # false, and then continue under the assumption that the # expected share is found. # # connection default; # Create two tables: CREATE TABLE ta (pk integer primary key); CREATE TABLE tb (pk integer primary key); # connection con_TA1; # Wait after releasing LOCK_open for ta, and make sure we never # end up at the 'found_share' sync point: SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TA1 WAIT_FOR cont_TA1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO ta VALUES(1); # connection con_TB1; # Wait for open_TA1, then wait after releasing LOCK_open for tb, # also make sure we never end up at the 'found_share' sync point: SET DEBUG_SYNC= 'now WAIT_FOR open_TA1'; SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_TB1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(1); # connection con_TB2; # Wait for open_TB1, then wait after the tb share is found in the # TDC. Wake up when TB1 broadcasts COND_open, jump to 'found' since # the awaited share (tb) was opened by TB1 before TA1 opened ta. # Signal when at the 'found_share' sync point so we can verify that the # thread is at the expected point. Also make sure we never end up # at the 'before_open' sync point: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SET DEBUG_SYNC= 'get_share_found_share SIGNAL found_TB2'; SET DEBUG_SYNC= 'get_share_before_open HIT_LIMIT 1'; INSERT INTO tb VALUES(2); # connection default; # Now, we know that TA1 and TB1 are about to open the shares # for ta and tb concurrently. We also know that TB2 is about to # wait for COND_open. First issue then is to make sure TB2 waits # for COND_open (using P_S.events_waits_current, not logged here): # # Next up is to make one of the opening threads read the def. # Here, as opposed to the previous test case, we let TB1 read first: SET DEBUG_SYNC= 'now SIGNAL cont_TB1'; # # Then, we wait for TB2 to signal that it's at the 'found_share' # sync point. This means it jumped out of the wait loop in the first # attempt since a second loop would make it do cond_wait once more: SET DEBUG_SYNC= 'now WAIT_FOR found_TB2'; # # Then, we signal TA1 to make it open its def and do its things, # and then we're done: SET DEBUG_SYNC= 'now SIGNAL cont_TA1'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TA1; connection con_TB1; connection con_TB2; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE ta, tb; ########################################################### # # Test case 1.3: After 1), verify that if there is an error # in open_table_def for TB1, the share is deleted from the # hash table and destroyed. Then, verify that TB2 wakes up, # discovers that the share is now missing, and then # continues as if the share never existed in the hash table # in the first place. This test case does not use connection # TA1. # # connection default; # Create one table: CREATE TABLE tb (pk integer primary key); # connection con_TB1; # Wait after releasing LOCK_open when opening table tb. # Set up a debug label to make the code simulate an error when # opening the table definition, hence making TB1 delete the share # from the hash table and destroy the share. Let TB1 signal at the # 'after_destroy' sync point to verify this behavior. Also make # sure we never end up at the 'found_share' sync point. SET SESSION debug= '+d,set_open_table_err'; SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_TB1'; SET DEBUG_SYNC= 'get_share_after_destroy SIGNAL del_TB1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(1); # connection con_TB2; # Wait for open_TB1, then wait after the tb share is found in the # TDC. Wake up when TB1 broadcasts COND_open, this happens after # the share is destroyed by TB1. Then make sure TB2 gets to the # 'before_open' sync point, and ensure it does not get to neither # the 'after_destroy' nor 'found_share' sync points: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB2'; SET DEBUG_SYNC= 'get_share_after_destroy HIT_LIMIT 1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(2); # connection default; # Now, we know that TB1 is about to open the share for tb. # We also know that TB2 is about to wait for COND_open. # First issue then is to make sure TB2 waits for COND_open # (using P_S.events_waits_current, not logged here): # # Next up is to make TB1 continue and read the table definition. # Then, TB1 will "see" an error from open_table_def (by means of # debug instrumentation in the source code). Thus, we wait for TB1 # to delete the share, and then we can let it finish: SET DEBUG_SYNC= 'now SIGNAL cont_TB1'; SET DEBUG_SYNC= 'now WAIT_FOR del_TB1'; # # Then, we wait for TB2 to signal that it's at the 'before_open' # sync point. This means it jumped out of the wait loop in the first # attempt since a second loop would make it do another cond_wait, # and it also means it ended the loop because the share was NOT # found in the TDC anymore. Then, we're done: SET DEBUG_SYNC= 'now WAIT_FOR open_TB2'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TB1; ERROR 42S02: Table 'test.tb' doesn't exist SET SESSION debug= '-d,set_open_table_err'; connection con_TB2; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE tb; ########################################################### # # Test case 2.1: After 2), verify that if thread TB1 is # stopped before open, and TA1 is starting its flushing, # when TB1 continues, then TA1 will be able to complete. # This test case has only one thread accessing table tb. # # connection default; # Create one table: CREATE TABLE tb (pk integer primary key); # connection con_TB1; # Do an insert, wait after releasing LOCK_open for tb. Due to # a concurrent pending FLUSH TABLES, the first share will be # rejected due to wrong version number, and the share will be # retrieved once more. Also, we make sure we never end up # at the 'found_share' nor the 'after_destroy' sync point: SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_TB1'; SET DEBUG_SYNC= 'get_share_after_destroy HIT_LIMIT 1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(1); # connection con_TA1; # Wait for TB1 to signal 'open_TB1', then issue a 'FLUSH TABLES' # command: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; FLUSH TABLES; # connection default; # Wait until the flush has started waiting for the share, # use I_S.processlist for this purpose (not logged here): # # Then we know TA1 is waiting for TB1 to finish. Next, we signal # TB1 to continue. This will make it retry getting the share: SET DEBUG_SYNC= 'now SIGNAL cont_TB1'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TA1; connection con_TB1; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE tb; ########################################################### # # Test case 2.2: After 2), verify that if thread TB1 is # stopped before open, and TA1 is starting its flushing, # when TB1 continues, then TA1 will be able to complete. # This test case has only one thread accessing table tb. # This case is similar to 2.1, but we simulate an error in # open_table_def. We also do 'FLUSH TABLES tb' to test # another variant of the FLUSH TABLES statement. # # connection default; # Create one table: CREATE TABLE tb (pk integer primary key); # connection con_TB1; # Do an insert, wait after releasing LOCK_open for tb. # Simulate a failing open_table_def to verify that a # concurrent flush table operation handles this situation. Due # to a concurrent pending FLUSH TABLES, the first share will be # rejected due to wrong version number, but since it fails, # anyway, it will not be retrieved once more. Make sure we don't # end up more than once at the 'before_open' sync point. Also, make # sure we never end up at the 'found_share' sync point: SET SESSION debug= '+d,set_open_table_err'; SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 \ WAIT_FOR cont_TB1 HIT_LIMIT 2'; SET DEBUG_SYNC= 'get_share_after_destroy SIGNAL del_TB1 HIT_LIMIT 2'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(1); # connection con_TA1; # Wait for TB1 to signal 'open_TB1', then issue a 'FLUSH TABLES' # command, and signal 'wait_TB1' right before doing cond_wait: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SET DEBUG_SYNC= 'get_cached_share_cond_wait SIGNAL wait_TA1'; FLUSH TABLES tb; # connection default; # Wait until the flush has started waiting for the share, # we cannot use I_S.processlist for this purpose here because # get_cached_table_share() waits for COND_open, and at that # point has locked all table caches (done in close_cached_tables). # Thus, we use a DEBUG_SYNC point instead: SET DEBUG_SYNC= 'now WAIT_FOR wait_TA1'; # # Then we know TA1 is waiting for TB1 to finish. Next, we signal # TB1 to continue. Since we simulate a failing open, TB1 should # end up signalling 'del_TB1'. We tell it to continue, and then # we're done: SET DEBUG_SYNC= 'now SIGNAL cont_TB1'; SET DEBUG_SYNC= 'now WAIT_FOR del_TB1'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TA1; connection con_TB1; ERROR 42S02: Table 'test.tb' doesn't exist SET SESSION debug= '-d,set_open_table_err'; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE tb; ########################################################### # # Test case 2.3: After 2), verify that if thread TB1 is # stopped before open, and TA1 is starting its flushing, # and TB2 has found a share and waits, then if we let # TB1 continue, then TA1 will be able to complete, and TB2 # gets to open the table def because the "first" share is # flushed due to wrong version number. Also, verify that # TB1 finds the share to exist (since TB2 opened it) when it # retries. # # connection default; # Create one table: CREATE TABLE tb (pk integer primary key); # connection con_TB1; # Do an insert, wait after releasing LOCK_open for tb. After # being signaled to continue, stop again before # retrying. After TB2 has opened the share, continue, and signal # when the share is found: SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_open_TB1 HIT_LIMIT 2'; SET DEBUG_SYNC= 'open_table_before_retry SIGNAL retry_TB1 WAIT_FOR cont_retry_TB1'; SET DEBUG_SYNC= 'get_share_found_share SIGNAL found_TB1'; INSERT INTO tb VALUES(1); # connection con_TB2; # Wait for TB1 to start opening, then do an insert, and wait for # COND_open after finding the share. After TB1 broadcasts COND_open, # the share will be missing, so TB2 will open it. Stop after opening # the share to make sure TB1 will also call get_table_share() when # retrying (to get predictable behavior): SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; SET DEBUG_SYNC= 'open_table_found_share SIGNAL found_TB2 WAIT_FOR finish_TB2'; INSERT INTO tb VALUES(2); # connection con_TA1; # Issue a 'FLUSH TABLES' command: FLUSH TABLES; # connection default; # Wait until the flush has started waiting for the share, # use I_S.processlist for this purpose (not logged here): # # Next issue then is to make sure TB2 waits for COND_open # (using P_S.events_waits_current, not logged here): # # Then we know TA1 is waiting for the tb share, and we know TB2 # is waiting for COND_open. Now, we signal TB1 to continue opening # the table: SET DEBUG_SYNC= 'now SIGNAL cont_open_TB1'; # # Then we wait for the flush to complete (by an I_S wait condition, # not logged): # # When TB1 finished opening tb, we know that TB2 was signaled, # and since TB1 has eventually unlocked LOCK_open, TB2 will be opening # the table share (because the tb share is removed by TB1 since # it has too old version), but we must stop TB1 before retrying to # avoid the situation where TB1 manages to open tb before TB2 # (to make sure the test is deterministic): SET DEBUG_SYNC= 'now WAIT_FOR retry_TB1'; SET DEBUG_SYNC= 'now WAIT_FOR found_TB2'; SET DEBUG_SYNC= 'now SIGNAL cont_retry_TB1'; # # Now, we know that TB2 has opened the "new" version of the share, # and we know it's stopped at 'open_table_share_found'. # The only issue left then is to make sure TB1 drops by the # 'found_share' sync point, then signal TB2 to finish, and we're done: SET DEBUG_SYNC= 'now WAIT_FOR found_TB1'; SET DEBUG_SYNC= 'now SIGNAL finish_TB2'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TA1; connection con_TB1; connection con_TB2; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE tb; ########################################################### # # Test case 3.1: Let thread TB1 issue LOCK TABLES tb # while thread TB2 issues CREATE TABLE tb. Do LOCK TABLES # first, and stop in get_share_before_open. Then run CREATE # TABLE, which does check_if_table_exists, which again calls # get_cached_table_share, and sees the share for tb that TB1 # is trying to create. Verify that get_cached_table_share # waits for COND_open until tb is created. # # If the CREATE mistakenly does conclude that tb # exists, it will bypass the MDL lock upgrade from S to X, # and instead go ahead and open the table. Then, it will # wait in get_table_share until TB1 is done, and finally, # TB2 will attempt to open_table_def (since TB1 failed and # destroyed the share). Thus, TB2 will fail while opening # too, since tb doesn't exist, making TB2 return the # error message "Table test.tb doesn't exist". # # connection con_TB1; # Issue 'LOCK TABLES tb', and stop after allocating a share # for the table, before trying to actually open it: SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_TB1'; LOCK TABLES tb WRITE;; # connection con_TB2; # Create the table which is being locked by TB1. The execution # will do check_if_table_exists() before create, calling # get_cached_share(), which does a search in the TDC. Here, we # will see the share being opened by TB1, but this situation # should be handled, allowing the CREATE to proceed. Set sync # points in get_table_share to verify we don't get there: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SET DEBUG_SYNC= 'get_share_before_open HIT_LIMIT 1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; CREATE TABLE tb (pk integer primary key);; # connection default; # Wait until the CREATE TABLE execution is waiting for # COND_open in get_cached_table_share for tb, then signal TB1 # to continue: SET DEBUG_SYNC='now SIGNAL cont_TB1'; # # Reap the connections, reset DEBUG_SYNC and drop tables: connection con_TB1; ERROR 42S02: Table 'test.tb' doesn't exist connection con_TB2; connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE tb; ########################################################### # # Test case 4.1: After 4), issue a SHOW OPEN TABLES command # and verify that the table being opened is excluded from # the list of open tables. # # connection default; # Create two tables: CREATE TABLE ta (pk integer primary key); CREATE TABLE tb (pk integer primary key); # # Insert into ta to make sure it is open and in the cache: INSERT INTO ta VALUES(0); # connection con_TB1; # Wait after releasing LOCK_open for tb, and make sure we never # end up at the 'found_share' sync point: SET DEBUG_SYNC= 'get_share_before_open SIGNAL open_TB1 WAIT_FOR cont_TB1'; SET DEBUG_SYNC= 'get_share_found_share HIT_LIMIT 1'; INSERT INTO tb VALUES(1); # connection default; # Wait for open_TB1, then issue a SHOW OPEN TABLES command # where tb should not be included: SET DEBUG_SYNC= 'now WAIT_FOR open_TB1'; SHOW OPEN TABLES; Database Table In_use Name_locked performance_schema events_waits_current 0 0 test ta 0 0 # # Next up is to let TB1 read the share, and do the insert: SET DEBUG_SYNC= 'now SIGNAL cont_TB1'; # # Reap connection TB1, and do another SHOW OPEN TABLES # where tb should now be included: connection con_TB1; connection default; SHOW OPEN TABLES; Database Table In_use Name_locked test tb 0 0 performance_schema events_waits_current 0 0 test ta 0 0 # # Connection TB1 has already been reaped. Reset DEBUG_SYNC # and drop tables: connection default; SET DEBUG_SYNC= 'RESET'; DROP TABLE ta, tb; ########################################################### # # Test teardown: Disconnect # connection con_TA1; disconnect con_TA1; connection con_TB1; disconnect con_TB1; connection con_TB2; disconnect con_TB2; connection default;
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