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: 172.26.2.223 | : 3.144.162.109
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8.1.13
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[ HOME SHELL ]
Name
Size
Permission
Action
add_foreign_key.result
1.28
KB
-rw-r--r--
alter_crash.result
4.43
KB
-rw-r--r--
alter_foreign_crash.result
751
B
-rw-r--r--
alter_kill.result
2.42
KB
-rw-r--r--
alter_missing_tablespace.resul...
1.46
KB
-rw-r--r--
alter_page_size.result
1.14
KB
-rw-r--r--
alter_rename_existing.result
5.32
KB
-rw-r--r--
alter_rename_files.result
557
B
-rw-r--r--
alter_row_format.result
1.59
KB
-rw-r--r--
alter_table_redundant.result
278
B
-rw-r--r--
alter_table_stage_progress.res...
942
B
-rw-r--r--
analyze_index.result
705
B
-rw-r--r--
analyze_table.result
538
B
-rw-r--r--
attachable_trx.result
2.48
KB
-rw-r--r--
autoinc_debug.result
2.53
KB
-rw-r--r--
blob-crash-16k.result
2.1
KB
-rw-r--r--
blob-crash-4k.result
2.1
KB
-rw-r--r--
blob-crash.result
4.59
KB
-rw-r--r--
blob-update-debug.result
489
B
-rw-r--r--
blob_page_reserve.result
3.81
KB
-rw-r--r--
blob_redo.result
1.05
KB
-rw-r--r--
buf_pool_resize_oom.result
493
B
-rw-r--r--
bulk_create_index_online.resul...
1.21
KB
-rw-r--r--
cascade_lock_wait.result
1.52
KB
-rw-r--r--
check_ibd_filesize_16k.result
1.58
KB
-rw-r--r--
check_sector_size.result
276
B
-rw-r--r--
checksum.result
331
B
-rw-r--r--
cmp_per_index.result
2.96
KB
-rw-r--r--
crc32_endianness.result
540
B
-rw-r--r--
create-index.result
283
B
-rw-r--r--
create_isl_with_direct.result
328
B
-rw-r--r--
create_table.result
1.97
KB
-rw-r--r--
create_tablespace.result
81.15
KB
-rw-r--r--
create_tablespace_16k.result
69.23
KB
-rw-r--r--
create_tablespace_32k.result
7.33
KB
-rw-r--r--
create_tablespace_4k.result
36.13
KB
-rw-r--r--
create_tablespace_64k.result
7.64
KB
-rw-r--r--
create_tablespace_8k.result
50.53
KB
-rw-r--r--
create_tablespace_debug.result
5.02
KB
-rw-r--r--
create_tablespace_notembedded....
692
B
-rw-r--r--
create_tablespace_partition.re...
33.17
KB
-rw-r--r--
create_tablespace_replication....
2.02
KB
-rw-r--r--
deadlock_detect.result
562
B
-rw-r--r--
default_row_format.result
17.56
KB
-rw-r--r--
default_row_format_16k.result
17.91
KB
-rw-r--r--
default_row_format_compatibili...
4.14
KB
-rw-r--r--
default_row_format_tablespace....
8.64
KB
-rw-r--r--
deprecate_part_in_shared_ts.re...
5.87
KB
-rw-r--r--
doublewrite.result
8.1
KB
-rw-r--r--
dropdb.result
222
B
-rw-r--r--
end_range_check.result
3.06
KB
-rw-r--r--
end_range_check_2.result
811
B
-rw-r--r--
events-merge-tmp-path.result
1.33
KB
-rw-r--r--
file_format_defaults.result
2.84
KB
-rw-r--r--
file_format_upgrade_16k.result
420
B
-rw-r--r--
flush-hang.result
1.27
KB
-rw-r--r--
foreign_key.result
9.21
KB
-rw-r--r--
fts_exec_interrupt.result
723
B
-rw-r--r--
help_verbose.result
80
B
-rw-r--r--
high_prio_trx_1.result
505
B
-rw-r--r--
high_prio_trx_2.result
581
B
-rw-r--r--
high_prio_trx_3.result
665
B
-rw-r--r--
high_prio_trx_4.result
711
B
-rw-r--r--
high_prio_trx_5.result
858
B
-rw-r--r--
high_prio_trx_6.result
775
B
-rw-r--r--
high_prio_trx_7.result
5.67
KB
-rw-r--r--
high_prio_trx_commit_crash.res...
1
KB
-rw-r--r--
high_prio_trx_debug.result
1.09
KB
-rw-r--r--
high_prio_trx_fk.result
918
B
-rw-r--r--
high_prio_trx_predicate.result
824
B
-rw-r--r--
high_prio_trx_rpl.result
1.65
KB
-rw-r--r--
i_s_files_debug.result
471
B
-rw-r--r--
ibuf_not_empty.result
969
B
-rw-r--r--
import.result
1.72
KB
-rw-r--r--
import_compress_encrypt.result
5.28
KB
-rw-r--r--
import_compress_encrypt_upgrad...
2.53
KB
-rw-r--r--
import_export_4k.result
724
B
-rw-r--r--
import_tablespace_page_corrupt...
555
B
-rw-r--r--
import_tablespace_schema_missm...
2.11
KB
-rw-r--r--
import_update_stats.result
2.86
KB
-rw-r--r--
index-online-norebuild.result
897
B
-rw-r--r--
index_length.result
1.28
KB
-rw-r--r--
index_merge_threshold.result
54.7
KB
-rw-r--r--
index_tree_operation.result
1.65
KB
-rw-r--r--
innodb-2byte-collation.result
3.28
KB
-rw-r--r--
innodb-ac-non-locking-select.r...
861
B
-rw-r--r--
innodb-alter-autoinc.result
4.27
KB
-rw-r--r--
innodb-alter-debug-wl6554.resu...
12.79
KB
-rw-r--r--
innodb-alter-debug.result
2.64
KB
-rw-r--r--
innodb-alter-nullable.result
1.52
KB
-rw-r--r--
innodb-alter-wl6554.result
3.13
KB
-rw-r--r--
innodb-alter.result
30.33
KB
-rw-r--r--
innodb-analyze.result
58
B
-rw-r--r--
innodb-autoinc-18274.result
805
B
-rw-r--r--
innodb-autoinc-44030.result
732
B
-rw-r--r--
innodb-autoinc-56228.result
847
B
-rw-r--r--
innodb-autoinc-optimize.result
321
B
-rw-r--r--
innodb-autoinc.result
41.48
KB
-rw-r--r--
innodb-blob.result
4.91
KB
-rw-r--r--
innodb-bug-14068765.result
2.81
KB
-rw-r--r--
innodb-bug-14084530.result
701
B
-rw-r--r--
innodb-bug12552164.result
1.73
KB
-rw-r--r--
innodb-bug14219515.result
244
B
-rw-r--r--
innodb-change-buffer-recovery....
1.08
KB
-rw-r--r--
innodb-consistent.result
670
B
-rw-r--r--
innodb-import-partition-rpl.re...
2.46
KB
-rw-r--r--
innodb-import-partition.result
40.01
KB
-rw-r--r--
innodb-index-debug.result
13.64
KB
-rw-r--r--
innodb-index-online-delete.res...
642
B
-rw-r--r--
innodb-index-online-fk.result
26.4
KB
-rw-r--r--
innodb-index-online-purge.resu...
1.2
KB
-rw-r--r--
innodb-index-online.result
13.35
KB
-rw-r--r--
innodb-index.result
67.62
KB
-rw-r--r--
innodb-index_ucs2.result
3.62
KB
-rw-r--r--
innodb-isolation.result
43.25
KB
-rw-r--r--
innodb-large-prefix.result
1.27
KB
-rw-r--r--
innodb-lock-inherit-read_commi...
4.18
KB
-rw-r--r--
innodb-lock.result
3.22
KB
-rw-r--r--
innodb-multiple-tablespaces.re...
14.79
KB
-rw-r--r--
innodb-read-view.result
2.73
KB
-rw-r--r--
innodb-replace-debug.result
309
B
-rw-r--r--
innodb-semi-consistent.result
1.35
KB
-rw-r--r--
innodb-status-output.result
1.3
KB
-rw-r--r--
innodb-system-table-view.resul...
9.07
KB
-rw-r--r--
innodb-table-online.result
13.11
KB
-rw-r--r--
innodb-timeout.result
953
B
-rw-r--r--
innodb-truncate-debug.result
4.46
KB
-rw-r--r--
innodb-truncate.result
2.28
KB
-rw-r--r--
innodb-ucs2.result
15.38
KB
-rw-r--r--
innodb-update-insert.result
1.1
KB
-rw-r--r--
innodb-wl5522-1.result
29.45
KB
-rw-r--r--
innodb-wl5522-debug.result
30.05
KB
-rw-r--r--
innodb-wl5522.result
20.99
KB
-rw-r--r--
innodb-wl5980-alter.result
38.86
KB
-rw-r--r--
innodb-wl5980-debug.result
1.33
KB
-rw-r--r--
innodb-wl5980-discard.result
29.2
KB
-rw-r--r--
innodb-wl5980-linux.result
9.7
KB
-rw-r--r--
innodb-wl5980-windows.result
10.07
KB
-rw-r--r--
innodb-wl6045-1.result
3.72
KB
-rw-r--r--
innodb-wl6045-linux.result
11.11
KB
-rw-r--r--
innodb-wl6445-1.result
69
KB
-rw-r--r--
innodb-wl6445-2.result
3.57
KB
-rw-r--r--
innodb-wl6445.result
1.78
KB
-rw-r--r--
innodb.result
108.76
KB
-rw-r--r--
innodb_32k.result
3.25
KB
-rw-r--r--
innodb_64k.result
3.47
KB
-rw-r--r--
innodb_autoinc_lock_mode_zero....
1.22
KB
-rw-r--r--
innodb_autoinc_reset.result
423
B
-rw-r--r--
innodb_buffer_pool_dump_pct.re...
1.49
KB
-rw-r--r--
innodb_buffer_pool_load.result
2.02
KB
-rw-r--r--
innodb_buffer_pool_load_now.re...
1.6
KB
-rw-r--r--
innodb_buffer_pool_resize.resu...
1.29
KB
-rw-r--r--
innodb_buffer_pool_resize_debu...
3.24
KB
-rw-r--r--
innodb_buffer_pool_resize_with...
1.08
KB
-rw-r--r--
innodb_bug-13628249.result
988
B
-rw-r--r--
innodb_bug11754376.result
180
B
-rw-r--r--
innodb_bug11766634.result
396
B
-rw-r--r--
innodb_bug11789106.result
404
B
-rw-r--r--
innodb_bug11933790.result
135
B
-rw-r--r--
innodb_bug12400341.result
966
B
-rw-r--r--
innodb_bug12429573.result
708
B
-rw-r--r--
innodb_bug12661768.result
524
B
-rw-r--r--
innodb_bug14006907.result
934
B
-rw-r--r--
innodb_bug14007109.result
223
B
-rw-r--r--
innodb_bug14007649.result
1.17
KB
-rw-r--r--
innodb_bug14147491.result
730
B
-rw-r--r--
innodb_bug14169459.result
1.48
KB
-rw-r--r--
innodb_bug14676111.result
1.99
KB
-rw-r--r--
innodb_bug14704286.result
1.12
KB
-rw-r--r--
innodb_bug19164038.result
1023
B
-rw-r--r--
innodb_bug21704.result
2.65
KB
-rw-r--r--
innodb_bug30113362.result
2.95
KB
-rw-r--r--
innodb_bug30423.result
3.79
KB
-rw-r--r--
innodb_bug30594501.result
317
B
-rw-r--r--
innodb_bug30919.result
17.44
KB
-rw-r--r--
innodb_bug31205266.result
798
B
-rw-r--r--
innodb_bug34053.result
35
B
-rw-r--r--
innodb_bug34300.result
439
B
-rw-r--r--
innodb_bug35220.result
35
B
-rw-r--r--
innodb_bug38231.result
35
B
-rw-r--r--
innodb_bug39438.result
35
B
-rw-r--r--
innodb_bug40360.result
274
B
-rw-r--r--
innodb_bug40565.result
311
B
-rw-r--r--
innodb_bug41904.result
195
B
-rw-r--r--
innodb_bug42101-nonzero.result
810
B
-rw-r--r--
innodb_bug42101.result
704
B
-rw-r--r--
innodb_bug42419.result
858
B
-rw-r--r--
innodb_bug44032.result
313
B
-rw-r--r--
innodb_bug44369.result
300
B
-rw-r--r--
innodb_bug44571.result
334
B
-rw-r--r--
innodb_bug45357.result
290
B
-rw-r--r--
innodb_bug46000.result
906
B
-rw-r--r--
innodb_bug46676.result
362
B
-rw-r--r--
innodb_bug47167.result
1.51
KB
-rw-r--r--
innodb_bug47621.result
777
B
-rw-r--r--
innodb_bug47622.result
748
B
-rw-r--r--
innodb_bug47777.result
612
B
-rw-r--r--
innodb_bug48024.result
592
B
-rw-r--r--
innodb_bug49164.result
913
B
-rw-r--r--
innodb_bug51378.result
2.19
KB
-rw-r--r--
innodb_bug51920.result
316
B
-rw-r--r--
innodb_bug52199.result
175
B
-rw-r--r--
innodb_bug52663.result
857
B
-rw-r--r--
innodb_bug53046.result
1016
B
-rw-r--r--
innodb_bug53290.result
771
B
-rw-r--r--
innodb_bug53592.result
1.9
KB
-rw-r--r--
innodb_bug53674.result
234
B
-rw-r--r--
innodb_bug53756.result
3.62
KB
-rw-r--r--
innodb_bug54044.result
678
B
-rw-r--r--
innodb_bug56143.result
73.71
KB
-rw-r--r--
innodb_bug56716.result
168
B
-rw-r--r--
innodb_bug56947.result
406
B
-rw-r--r--
innodb_bug57252.result
89
B
-rw-r--r--
innodb_bug57255.result
501
B
-rw-r--r--
innodb_bug57904.result
1.3
KB
-rw-r--r--
innodb_bug59307.result
483
B
-rw-r--r--
innodb_bug59410.result
529
B
-rw-r--r--
innodb_bug59641.result
927
B
-rw-r--r--
innodb_bug59733.result
822
B
-rw-r--r--
innodb_bug60049.result
258
B
-rw-r--r--
innodb_bug60196.result
2.86
KB
-rw-r--r--
innodb_bug60229.result
955
B
-rw-r--r--
innodb_bug70867.result
126
B
-rw-r--r--
innodb_bulk_create_index.resul...
29.62
KB
-rw-r--r--
innodb_bulk_create_index_debug...
11.38
KB
-rw-r--r--
innodb_bulk_create_index_flush...
1.46
KB
-rw-r--r--
innodb_bulk_create_index_repli...
5.82
KB
-rw-r--r--
innodb_bulk_create_index_small...
4.26
KB
-rw-r--r--
innodb_corrupt_bit.result
2.61
KB
-rw-r--r--
innodb_corrupt_readonly.result
1011
B
-rw-r--r--
innodb_ctype_ldml.result
27.55
KB
-rw-r--r--
innodb_deadlock_with_autoinc.r...
565
B
-rw-r--r--
innodb_file_format.result
3.11
KB
-rw-r--r--
innodb_file_limit_check.result
457
B
-rw-r--r--
innodb_force_recovery.result
3.7
KB
-rw-r--r--
innodb_fts_limit_check.result
1.04
KB
-rw-r--r--
innodb_high_prio_commit_crash....
1.13
KB
-rw-r--r--
innodb_high_prio_rpl.result
1.07
KB
-rw-r--r--
innodb_i_s_innodb_locks.result
4.89
KB
-rw-r--r--
innodb_i_s_innodb_trx.result
2.85
KB
-rw-r--r--
innodb_information_schema_buff...
2.29
KB
-rw-r--r--
innodb_io_pf.result
407
B
-rw-r--r--
innodb_lock_wait_timeout_1.res...
9.04
KB
-rw-r--r--
innodb_misc1.result
29.29
KB
-rw-r--r--
innodb_multi_update.result
1.62
KB
-rw-r--r--
innodb_mysql.result
95.87
KB
-rw-r--r--
innodb_mysql_rbk.result
629
B
-rw-r--r--
innodb_notembedded.result
637
B
-rw-r--r--
innodb_page_size_func.result
1.49
KB
-rw-r--r--
innodb_pagesize_max_recordsize...
14.37
KB
-rw-r--r--
innodb_prefix_index_check.resu...
1.14
KB
-rw-r--r--
innodb_prefix_index_restart_se...
2.69
KB
-rw-r--r--
innodb_rename_index.result
31.12
KB
-rw-r--r--
innodb_rename_index_err.result
1.81
KB
-rw-r--r--
innodb_replace.result
2.7
KB
-rw-r--r--
innodb_row_log_read.result
867
B
-rw-r--r--
innodb_stats.result
11.62
KB
-rw-r--r--
innodb_stats_auto_recalc.resul...
1.33
KB
-rw-r--r--
innodb_stats_auto_recalc_ddl.r...
1.13
KB
-rw-r--r--
innodb_stats_auto_recalc_lots....
2.07
KB
-rw-r--r--
innodb_stats_auto_recalc_on_no...
2.19
KB
-rw-r--r--
innodb_stats_create_on_corrupt...
705
B
-rw-r--r--
innodb_stats_create_table.resu...
1.1
KB
-rw-r--r--
innodb_stats_del_mark.result
2.81
KB
-rw-r--r--
innodb_stats_drop_locked.resul...
1.55
KB
-rw-r--r--
innodb_stats_external_pages.re...
880
B
-rw-r--r--
innodb_stats_fetch.result
3.35
KB
-rw-r--r--
innodb_stats_fetch_corrupted.r...
1.01
KB
-rw-r--r--
innodb_stats_fetch_nonexistent...
980
B
-rw-r--r--
innodb_stats_flag_global_off.r...
7.36
KB
-rw-r--r--
innodb_stats_flag_global_on.re...
7.36
KB
-rw-r--r--
innodb_stats_rename_table.resu...
1.48
KB
-rw-r--r--
innodb_stats_rename_table_if_e...
1.89
KB
-rw-r--r--
innodb_stats_sample_pages.resu...
1023
B
-rw-r--r--
innodb_stats_table_flag_auto_r...
2.97
KB
-rw-r--r--
innodb_stats_table_flag_sample...
4.23
KB
-rw-r--r--
innodb_sys_var_valgrind.result
2.35
KB
-rw-r--r--
innodb_tablespace.result
22.76
KB
-rw-r--r--
innodb_tablespace_zip.result
1.13
KB
-rw-r--r--
innodb_thread_concurrency_debu...
824
B
-rw-r--r--
innodb_timeout_rollback.result
570
B
-rw-r--r--
innodb_trx_weight.result
35
B
-rw-r--r--
innodb_upd_stats_if_needed_not...
466
B
-rw-r--r--
innodb_ut_format_name.result
140
B
-rw-r--r--
innodb_wl6326.result
10.95
KB
-rw-r--r--
innodb_wl6326_big.result
17.67
KB
-rw-r--r--
innodb_wl6469_1.result
1.48
KB
-rw-r--r--
innodb_wl6469_debug.result
1.63
KB
-rw-r--r--
innodb_wl6470.result
3.11
KB
-rw-r--r--
innodb_wl6470_debug.result
1.42
KB
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innodb_wl6560_1.result
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innodb_wl6560_debug.result
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innodb_wl6915.result
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innodb_wl6915_debug.result
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innodb_wl8114.result
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insert_debug.result
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iodku.result
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log_alter_table.result
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log_file_size.result
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missing_tablespaces.result
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monitor.result
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partition-blob.result
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partition-upgrade.result
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partition.result
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readahead.result
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readonly.result
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records_in_range.result
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rename_table.result
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table_encrypt_debug.result
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table_encrypt_fts.result
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table_encrypt_kill.result
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table_encryption.result
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tablespace_crash.result
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tablespace_embedded.result
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tablespace_embedded_windows.re...
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tablespace_per_table.result
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tablespace_per_table_not_windo...
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undo.result
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update-cascade.result
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xa_recovery.result
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xa_recovery_debug.result
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Code Editor : innodb-index-online.result
SET @global_innodb_file_per_table_orig = @@global.innodb_file_per_table; SET GLOBAL innodb_file_per_table = on; CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 INT, c3 TEXT) ENGINE=InnoDB STATS_PERSISTENT=0; INSERT INTO t1 VALUES (1,1,''), (2,2,''), (3,3,''), (4,4,''), (5,5,''); SET GLOBAL innodb_monitor_enable = module_ddl; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET DEBUG_SYNC = 'RESET'; SET DEBUG_SYNC = 'write_row_noreplace SIGNAL have_handle WAIT_FOR go_ahead'; INSERT INTO t1 VALUES(1,2,3); SET DEBUG_SYNC = 'now WAIT_FOR have_handle'; SET lock_wait_timeout = 1; ALTER TABLE t1 ADD UNIQUE INDEX(c2); ERROR HY000: Lock wait timeout exceeded; try restarting transaction SET DEBUG_SYNC = 'now SIGNAL go_ahead'; ERROR 23000: Duplicate entry '1' for key 'PRIMARY' SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET GLOBAL innodb_monitor_reset = module_ddl; SET SESSION DEBUG = '+d,innodb_OOM_prepare_inplace_alter'; ALTER TABLE t1 ADD UNIQUE INDEX(c2); ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space SET SESSION DEBUG = '-d,innodb_OOM_prepare_inplace_alter'; SET SESSION DEBUG = '+d,innodb_OOM_inplace_alter'; CREATE UNIQUE INDEX c2 ON t1(c2); ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space SET SESSION DEBUG = '-d,innodb_OOM_inplace_alter'; CREATE UNIQUE INDEX c2 ON t1(c2); DROP INDEX c2 ON t1; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) DEFAULT NULL, `c3` text, PRIMARY KEY (`c1`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 STATS_PERSISTENT=0 BEGIN; INSERT INTO t1 VALUES(7,4,2); SET DEBUG_SYNC = 'row_log_apply_before SIGNAL scanned WAIT_FOR rollback_done'; ALTER TABLE t1 ADD UNIQUE INDEX(c2); ERROR HY000: Lock wait timeout exceeded; try restarting transaction COMMIT; ALTER TABLE t1 ADD UNIQUE INDEX(c2); ERROR 23000: Duplicate entry '4' for key 'c2' DELETE FROM t1 WHERE c1 = 7; ALTER TABLE t1 ADD FOREIGN KEY(c2) REFERENCES t1(c2), ALGORITHM = INPLACE; ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Adding foreign keys needs foreign_key_checks=OFF. Try ALGORITHM=COPY. ALTER TABLE t1 ADD UNIQUE INDEX(c2), LOCK = EXCLUSIVE, ALGORITHM = INPLACE; DROP INDEX c2 ON t1; ALTER TABLE t1 ADD UNIQUE INDEX(c2); SET DEBUG_SYNC = 'now WAIT_FOR scanned'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_online_create_index 1 ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; BEGIN; INSERT INTO t1 VALUES(7,4,2); ROLLBACK; SET DEBUG_SYNC = 'now SIGNAL rollback_done'; ERROR 23000: Duplicate entry '4' for key 'c2' SET DEBUG_SYNC = 'row_log_apply_after SIGNAL created WAIT_FOR dml_done'; ALTER TABLE t1 ADD UNIQUE INDEX(c2); SET DEBUG_SYNC = 'now WAIT_FOR created'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; INSERT INTO t1 VALUES(6,3,1); SET DEBUG_SYNC = 'now SIGNAL dml_done'; ERROR 23000: Duplicate entry for key 'c2' DELETE FROM t1 WHERE c1=6; ALTER TABLE t1 ADD UNIQUE INDEX(c2); SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET GLOBAL innodb_monitor_reset = module_ddl; INSERT INTO t1 VALUES(6,3,1); ERROR 23000: Duplicate entry '3' for key 'c2' INSERT INTO t1 VALUES(7,4,2); ERROR 23000: Duplicate entry '4' for key 'c2' ALTER TABLE t1 STATS_PERSISTENT=1; ANALYZE TABLE t1; Table Op Msg_type Msg_text test.t1 analyze status OK UPDATE mysql.innodb_index_stats SET stat_value = 5 WHERE database_name = 'test' AND table_name= 't1' AND index_name = 'PRIMARY' AND stat_value = 6; SELECT * FROM mysql.innodb_index_stats WHERE table_name IN ('t1'); database_name table_name index_name last_update stat_name stat_value sample_size stat_description test t1 PRIMARY LAST_UPDATE n_diff_pfx01 5 1 c1 test t1 PRIMARY LAST_UPDATE n_leaf_pages 1 NULL Number of leaf pages in the index test t1 PRIMARY LAST_UPDATE size 1 NULL Number of pages in the index test t1 c2 LAST_UPDATE n_diff_pfx01 5 1 c2 test t1 c2 LAST_UPDATE n_leaf_pages 1 NULL Number of leaf pages in the index test t1 c2 LAST_UPDATE size 1 NULL Number of pages in the index CREATE TABLE t1_c2_stats SELECT * FROM mysql.innodb_index_stats WHERE database_name = 'test' AND table_name = 't1' and index_name = 'c2'; ALTER TABLE t1_c2_stats ENGINE=INNODB; DROP INDEX c2 ON t1; ANALYZE TABLE t1_c2_stats; Table Op Msg_type Msg_text test.t1_c2_stats analyze status OK SELECT * FROM mysql.innodb_index_stats WHERE table_name IN ('t1', 't1_c2_stats'); database_name table_name index_name last_update stat_name stat_value sample_size stat_description test t1 PRIMARY LAST_UPDATE n_diff_pfx01 5 1 c1 test t1 PRIMARY LAST_UPDATE n_leaf_pages 1 NULL Number of leaf pages in the index test t1 PRIMARY LAST_UPDATE size 1 NULL Number of pages in the index test t1_c2_stats GEN_CLUST_INDEX LAST_UPDATE n_diff_pfx01 3 1 DB_ROW_ID test t1_c2_stats GEN_CLUST_INDEX LAST_UPDATE n_leaf_pages 1 NULL Number of leaf pages in the index test t1_c2_stats GEN_CLUST_INDEX LAST_UPDATE size 1 NULL Number of pages in the index KILL QUERY @id; ERROR 70100: Query execution was interrupted SET DEBUG_SYNC = 'row_log_apply_before SIGNAL c2d_created WAIT_FOR kill_done'; CREATE INDEX c2d ON t1(c2); SET DEBUG_SYNC = 'now WAIT_FOR c2d_created'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_online_create_index 1 ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; KILL QUERY @id; SET DEBUG_SYNC = 'now SIGNAL kill_done'; ERROR 70100: Query execution was interrupted SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET GLOBAL innodb_monitor_reset = module_ddl; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK INSERT INTO t1 SELECT 5 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 10 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 20 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 40 + c1, c2, c3 FROM t1; EXPLAIN SELECT COUNT(*) FROM t1 WHERE c2 > 3; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 80 33.33 Using where Warnings: Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t1` where (`test`.`t1`.`c2` > 3) ANALYZE TABLE t1; Table Op Msg_type Msg_text test.t1 analyze status OK UPDATE t1_c2_stats SET index_name = 'c2d'; UPDATE t1_c2_stats SET stat_value = 2 WHERE stat_name = 'n_diff_pfx01'; INSERT INTO t1_c2_stats SELECT database_name, table_name, index_name, last_update, 'n_diff_pfx02', 80, sample_size, 'c2,c1' FROM t1_c2_stats WHERE stat_name = 'n_diff_pfx01' AND stat_description = 'c2'; INSERT INTO mysql.innodb_index_stats SELECT * FROM t1_c2_stats; DROP TABLE t1_c2_stats; CREATE INDEX c2d ON t1(c2); SHOW INDEX FROM t1; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment t1 0 PRIMARY 1 c1 A 80 NULL NULL BTREE t1 1 c2d 1 c2 A 5 NULL NULL YES BTREE EXPLAIN SELECT COUNT(*) FROM t1 WHERE c2 > 3; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL range c2d c2d 5 NULL 32 100.00 Using where; Using index Warnings: Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t1` where (`test`.`t1`.`c2` > 3) SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) DEFAULT NULL, `c3` text, PRIMARY KEY (`c1`), KEY `c2d` (`c2`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 STATS_PERSISTENT=1 SET DEBUG_SYNC = 'row_log_apply_before SIGNAL c2e_created WAIT_FOR dml2_done'; SET lock_wait_timeout = 10; ALTER TABLE t1 CHANGE c2 c22 INT, DROP INDEX c2d, ADD INDEX c2e(c22), ALGORITHM = INPLACE; INSERT INTO t1 SELECT 80 + c1, c2, c3 FROM t1; INSERT INTO t1 SELECT 160 + c1, c2, c3 FROM t1; UPDATE t1 SET c2 = c2 + 1; SET DEBUG_SYNC = 'now WAIT_FOR c2e_created'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_online_create_index 1 ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; BEGIN; DELETE FROM t1; ROLLBACK; UPDATE t1 SET c2 = c2 + 1; BEGIN; UPDATE t1 SET c2 = c2 + 1; DELETE FROM t1; ROLLBACK; BEGIN; DELETE FROM t1; ROLLBACK; UPDATE t1 SET c2 = c2 + 1; BEGIN; UPDATE t1 SET c2 = c2 + 1; DELETE FROM t1; ROLLBACK; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_online_create_index 1 ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; SELECT sf.name, sf.pos FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES si INNER JOIN INFORMATION_SCHEMA.INNODB_SYS_FIELDS sf ON si.index_id = sf.index_id WHERE si.name = '?c2e'; name pos c2 0 SET DEBUG_SYNC = 'now SIGNAL dml2_done'; ERROR HY000: Creating index 'c2e' required more than 'innodb_online_alter_log_max_size' bytes of modification log. Please try again. SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_background_drop_indexes 1 SET GLOBAL innodb_monitor_reset = module_ddl; SELECT sf.name, sf.pos FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES si INNER JOIN INFORMATION_SCHEMA.INNODB_SYS_FIELDS sf ON si.index_id = sf.index_id WHERE si.name = 'c2e'; name pos SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_background_drop_indexes 1 SET GLOBAL innodb_monitor_reset = module_ddl; ALTER TABLE t1 COMMENT 'testing if c2e will be dropped'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET GLOBAL innodb_monitor_reset = module_ddl; SET DEBUG_SYNC = 'row_log_apply_before SIGNAL c2f_created WAIT_FOR dml3_done'; ALTER TABLE t1 ADD INDEX c2f(c22f), CHANGE c2 c22f INT; SET DEBUG_SYNC = 'now WAIT_FOR c2f_created'; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_online_create_index 1 ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; BEGIN; INSERT INTO t1 SELECT 320 + c1, c2, c3 FROM t1 WHERE c1 > 160; DELETE FROM t1 WHERE c1 > 320; ROLLBACK; BEGIN; UPDATE t1 SET c2 = c2 + 1; DELETE FROM t1; ROLLBACK; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_online_create_index 1 ddl_pending_alter_table 1 SET GLOBAL innodb_monitor_reset = module_ddl; SET DEBUG_SYNC = 'now SIGNAL dml3_done'; Warnings: Warning 1831 Duplicate index 'c2f' defined on the table 'test.t1'. This is deprecated and will be disallowed in a future release. SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET GLOBAL innodb_monitor_reset = module_ddl; SELECT COUNT(c22f) FROM t1; COUNT(c22f) 320 CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK ALTER TABLE t1 ADD UNIQUE INDEX c3p5(c3(5)); ERROR 23000: Duplicate entry 'NULL' for key 'c3p5' UPDATE t1 SET c3 = NULL WHERE c3 = ''; SET lock_wait_timeout = 1; SET DEBUG_SYNC = 'row_log_apply_before SIGNAL c3p5_created WAIT_FOR ins_done'; ALTER TABLE t1 ADD UNIQUE INDEX c3p5(c3(5)); SET DEBUG_SYNC = 'now WAIT_FOR c3p5_created'; SELECT sf.name, sf.pos FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES si INNER JOIN INFORMATION_SCHEMA.INNODB_SYS_FIELDS sf ON si.index_id = sf.index_id WHERE si.name = '?c3p5'; name pos c3 0 SET DEBUG_SYNC = 'ib_after_row_insert SIGNAL ins_done WAIT_FOR ddl_timed_out'; INSERT INTO t1 VALUES(347,33101,NULL); ERROR HY000: Lock wait timeout exceeded; try restarting transaction SET DEBUG_SYNC = 'now SIGNAL ddl_timed_out'; SELECT sf.name, sf.pos FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES si INNER JOIN INFORMATION_SCHEMA.INNODB_SYS_FIELDS sf ON si.index_id = sf.index_id WHERE si.name = 'c3p5'; name pos SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_background_drop_indexes 1 SET GLOBAL innodb_monitor_reset = module_ddl; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count ddl_background_drop_indexes 1 SET GLOBAL innodb_monitor_reset = module_ddl; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c22f` int(11) DEFAULT NULL, `c3` text, PRIMARY KEY (`c1`), KEY `c2d` (`c22f`), KEY `c2f` (`c22f`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 STATS_PERSISTENT=1 COMMENT='testing if c2e will be dropped' ALTER TABLE t1 DROP INDEX c2d, DROP INDEX c2f; SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE subsystem = 'ddl' and count > 0; name count SET GLOBAL innodb_monitor_reset = module_ddl; ALTER TABLE t1 ADD INDEX c2h(c22f), ALGORITHM = INPLACE; ALTER TABLE t1 ADD INDEX c2h(c22f), ALGORITHM = COPY; ERROR 42000: Duplicate key name 'c2h' SET DEBUG_SYNC = 'RESET'; SET DEBUG = ''; SET GLOBAL innodb_monitor_disable = module_ddl; DROP TABLE t1; SET GLOBAL DEBUG = ''; SET GLOBAL innodb_file_per_table = @global_innodb_file_per_table_orig; SET GLOBAL innodb_monitor_reset = default; SET GLOBAL innodb_monitor_enable = default; SET GLOBAL innodb_monitor_disable = default;
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