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[ HOME SHELL ]
Name
Size
Permission
Action
Load_data.inc
173
B
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add_anonymous_users.inc
194
B
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add_debug_point.inc
3.11
KB
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allowed_ciphers.inc
409
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analyze-sync_with_master.test
283
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analyze-timeout.test
25
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assert.inc
2.38
KB
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assert_and_disable_read_only.i...
1.05
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assert_binlog_events.inc
10.22
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assert_command_output.inc
2.45
KB
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assert_grep.inc
4.17
KB
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assert_gtid_mode_on.inc
250
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assert_logical_timestamps.inc
2.63
KB
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assert_no_warnings.inc
977
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assert_rbr_only_flags.inc
2.46
KB
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assert_semisync_master_status_...
273
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assert_semisync_master_status_...
271
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assert_semisync_yesno_tx_incre...
1.23
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assert_status.inc
1.03
KB
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assert_variable.inc
892
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backup_tables_priv_and_users.i...
1.06
KB
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begin_include_file.inc
3.21
KB
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begin_replace_gtid_combination...
2.07
KB
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big_test.inc
107
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binlog_inject_error.inc
641
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bug13581713.inc
6.62
KB
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bug38347.inc
404
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change_file_perms.inc
521
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check-testcase.test
2.98
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check-warnings.test
1.74
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check_charset.inc
3.53
KB
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check_concurrent_insert.inc
2.66
KB
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check_events_off.inc
1.82
KB
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check_ftwrl_compatible.inc
3.64
KB
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check_ftwrl_incompatible.inc
3.8
KB
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check_ipv4_mapped.inc
683
B
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check_ipv6.inc
597
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check_key_reads.inc
250
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check_key_req.inc
628
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check_keys_after_migration.inc
2.17
KB
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check_no_concurrent_insert.inc
2.07
KB
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check_no_row_lock.inc
1.76
KB
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check_openssl_version.inc
1.32
KB
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check_plugin_dir.inc
1.39
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check_qep.inc
1.35
KB
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check_shared_row_lock.inc
1.39
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check_slave_is_running.inc
750
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check_slave_no_error.inc
754
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check_slave_param.inc
1.33
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check_var_limit.inc
394
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cleanup_fake_relay_log.inc
669
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cleanup_folder.inc
155
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commandline_option_test.inc
799
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commit.inc
22.71
KB
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commit_crash_restart.inc
268
B
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common-tests.inc
116.44
KB
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concurrent.inc
25.06
KB
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cond_filter_queries.inc
9.16
KB
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config_file_option_test.inc
783
B
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connect2.inc
977
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count_sessions.inc
389
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create_575_part_table.inc
1.03
KB
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create_table.inc
135
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ctype_8bit.inc
2.85
KB
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ctype_ascii_order.inc
1.04
KB
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ctype_common.inc
2.83
KB
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ctype_czech.inc
437
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ctype_datetime.inc
333
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ctype_filesort.inc
377
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ctype_filesort2.inc
1006
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ctype_german.inc
1.42
KB
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ctype_heap.inc
479
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ctype_inet.inc
450
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ctype_innodb_like.inc
665
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ctype_like.inc
1.36
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ctype_like_escape.inc
592
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ctype_like_ignorable.inc
427
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ctype_like_range_f1f2.inc
835
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ctype_numconv.inc
44.86
KB
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ctype_pad_space.inc
133
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ctype_regex.inc
1.18
KB
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ctype_unicode520.inc
7.13
KB
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ctype_unicode_latin.inc
10.23
KB
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ctype_utf8_table.inc
1.35
KB
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ctype_utf8mb4.inc
60.36
KB
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daemon_example_bad_format.ini
215
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daemon_example_bad_soname.ini
227
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ddl_i18n.check_events.inc
864
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ddl_i18n.check_sp.inc
1.48
KB
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ddl_i18n.check_triggers.inc
1.71
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ddl_i18n.check_views.inc
544
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deadlock.inc
3.59
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default_client.cnf
367
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default_my.cnf
544
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default_mysqld.cnf
2.89
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default_mysqld_autosize.cnf
1.87
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default_ndbd.cnf
1.59
KB
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delete_all_rows.inc
3.15
KB
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delete_anonymous_users.inc
207
B
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diff_servers.inc
2.2
KB
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diff_tables.inc
7.55
KB
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disconnect_connections.inc
350
B
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end_include_file.inc
2.43
KB
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end_replace_gtid_combination.i...
779
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endspace.inc
338
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escape_sql.inc
1.52
KB
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eval.inc
5.73
KB
-rw-r--r--
execute_at_sync_point.inc
3.55
KB
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execute_from_sync_point.inc
1.96
KB
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execute_from_sync_point_with_e...
1.93
KB
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execute_to_sync_point.inc
2.34
KB
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execute_with_statistics.inc
772
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expect_crash.inc
214
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expect_qep.inc
1.19
KB
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explain.inc
11.17
KB
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explain_for_connection.inc
1.68
KB
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explain_for_connection_rqg.inc
200.97
KB
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explain_for_connection_small.i...
22.17
KB
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explain_json.inc
10.93
KB
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explain_non_select.inc
30.23
KB
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explain_other.inc
1.03
KB
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explain_run_count.inc
93
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explain_utils.inc
5.15
KB
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file_does_not_exist.inc
340
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filter_file.inc
5.12
KB
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finish_option_test.inc
235
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force_binlog_format_statement....
204
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force_myisam_default.inc
207
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force_restart.inc
335
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force_restart_if_skipped.inc
346
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freebsd.inc
107
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func_aes_block.inc
3.95
KB
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func_in.inc
18.06
KB
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function_defaults.inc
34.97
KB
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generate_keys_before_migration...
2.16
KB
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get_file_permissions.inc
274
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get_frm_info.inc
2.67
KB
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get_handler_status_counts.inc
143
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get_ndb_epochs.inc
2.12
KB
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get_relay_log_pos.inc
2.77
KB
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get_row_count.inc
1.96
KB
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gis_debug.inc
8.41
KB
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gis_generic.inc
13.64
KB
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gis_keys.inc
1.97
KB
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grant_cache.inc
7.6
KB
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greedy_search_drop_tables.inc
167
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greedy_search_load_tables.inc
996
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grep_pattern.inc
2.08
KB
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group_by_fd.inc
29.2
KB
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group_replication_timeouts.inc
255
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gtid_prepare_and_execute_stmt....
839
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gtid_step_assert.inc
4.62
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gtid_step_assert_on_retrieved....
3.73
KB
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gtid_step_reset.inc
476
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gtid_step_reset_on_retrieved.i...
565
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gtid_utils.inc
15.49
KB
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gtid_utils_end.inc
993
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handler.inc
49.53
KB
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have_32bit.inc
428
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have_64bit.inc
357
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have_QC_Disabled.inc
137
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have_archive.inc
180
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have_archive_plugin.inc
413
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have_audit_log_plugin.inc
688
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have_big5.inc
107
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have_binlog_checksum_off.inc
236
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have_binlog_format_mixed.inc
155
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have_binlog_format_mixed_or_ro...
181
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have_binlog_format_mixed_or_st...
193
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have_binlog_format_row.inc
153
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have_binlog_format_row_or_stat...
192
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have_binlog_format_statement.i...
159
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have_binlog_order_commits.test
308
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have_blackhole.inc
173
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have_blackhole_plugin.inc
427
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have_case_insensitive_file_sys...
134
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have_case_sensitive_file_syste...
132
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have_compress.inc
109
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have_cp1250_ch.inc
112
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have_cp1251.inc
115
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have_cp866.inc
113
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have_cp932.inc
110
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have_crypt.inc
103
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have_daemon_example_plugin.inc
387
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have_debug.inc
113
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have_debug_sync.inc
196
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have_dynamic_loading.inc
221
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have_engine_condition_pushdown...
170
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have_eucjpms.inc
114
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have_euckr.inc
108
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have_example_plugin.inc
566
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have_exampledb.inc
178
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have_expect.inc
628
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have_federated_plugin.inc
151
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have_firstmatch.inc
155
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have_gb18030.inc
113
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have_gb2312.inc
111
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have_gbk.inc
105
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have_geometry.inc
110
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have_grep.inc
319
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have_group_replication_plugin....
1.39
KB
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have_gtid.inc
378
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have_index_condition_pushdown....
169
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have_innochecksum_debug.inc
385
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have_innodb.inc
163
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have_innodb_16k.inc
231
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have_innodb_32k.inc
194
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have_innodb_4k.inc
229
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have_innodb_64k.inc
194
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have_innodb_8k.inc
229
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have_innodb_max_16k.inc
212
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have_innodb_zip.inc
216
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have_ipv4_mapped.inc
289
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have_ipv6.inc
339
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have_koi8r.inc
113
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have_latin2_ch.inc
112
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have_local_infile.inc
111
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have_log_bin.inc
314
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have_loosescan.inc
154
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have_lowercase0.inc
116
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have_lowercase1.inc
116
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have_lowercase2.inc
116
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have_materialization.inc
160
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have_max_indexes_128.inc
126
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have_max_indexes_64.inc
126
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have_mecab.inc
630
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have_memcached_plugin.inc
69
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have_mrr.inc
148
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have_multi_ndb.inc
2.02
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have_myisam.inc
285
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have_mysql_no_login_plugin.inc
674
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have_mysql_upgrade.inc
134
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have_mysqld_safe.inc
756
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have_mysqlx_plugin.inc
70
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have_ndb.inc
659
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have_ndb_debug.inc
551
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have_ndb_extra.inc
65
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have_ndbapi_examples.inc
148
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have_ngram.inc
157
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have_no_undo_tablespaces.inc
195
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have_nodebug.inc
115
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have_not_innodb_plugin.inc
185
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have_null_audit_plugin.inc
701
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have_numa.inc
244
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have_openssl.inc
139
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have_openssl_binary.inc
1.48
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have_openssl_support.inc
197
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have_openssl_version_1.1.0.inc
1.39
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have_optimizer_trace.inc
291
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have_outfile.inc
171
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have_partition.inc
193
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have_partition_open_file_limit...
605
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have_perfschema.inc
146
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have_plugin_auth.inc
188
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have_plugin_interface.inc
187
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have_plugin_server.inc
178
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have_profiling.inc
112
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have_punch_hole.inc
813
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have_query_cache.inc
115
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have_query_cache_disabled.inc
1.01
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have_replication_observers_exa...
988
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have_semijoin.inc
153
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have_semisync_plugin.inc
594
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have_sha256_rsa_auth.inc
305
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have_shm.inc
169
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have_simple_parser.inc
662
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have_sjis.inc
108
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have_slave_parallel_type_datab...
253
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have_slave_parallel_type_logic...
263
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have_slave_repository_type_fil...
241
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have_slave_repository_type_tab...
240
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have_ssl.inc
136
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have_ssl_communication.inc
136
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have_ssl_crypto_functs.inc
408
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have_statement_timeout.inc
127
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have_symlink.inc
291
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have_tis620.inc
108
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have_ucs2.inc
107
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have_udf.inc
630
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have_ujis.inc
108
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have_undo_tablespaces.inc
211
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have_utf16.inc
109
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have_utf32.inc
109
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have_utf8.inc
111
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have_utf8mb4.inc
117
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have_util_nc.inc
930
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have_util_unzip.inc
706
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have_valgrind.inc
182
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have_validate_password_plugin....
703
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ib_logfile_size_check.inc
278
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icp_tests.inc
25.61
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if_encrypted.inc
845
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implicit_commit_helper.inc
123
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index_merge1.inc
23.14
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index_merge2.inc
13.6
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index_merge_2sweeps.inc
1.58
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index_merge_delete.inc
6.1
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index_merge_insert-and-replace...
3.59
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index_merge_intersect_dml.inc
5.41
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index_merge_multi_col_setup.in...
1.25
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index_merge_ror.inc
11.76
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index_merge_ror_cpk.inc
17.85
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index_merge_single_col_setup.i...
1.2
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index_merge_update.inc
4.56
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init_option_test.inc
238
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innodb-index.inc
1.2
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innodb-util.inc
3.47
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innodb_gis_row_format_basic.in...
20.29
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innodb_gis_undo.inc
293.94
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innodb_pk_extension.inc
10.18
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innodb_rollback_on_timeout.inc
931
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Code Editor : concurrent.inc
# include/concurrent.inc # # Concurrent tests for transactional storage engines, mainly in UPDATE's # Bug#3300 # Designed and tested by Sinisa Milivojevic, sinisa@mysql.com # # These variables have to be set before sourcing this script: # TRANSACTION ISOLATION LEVEL REPEATABLE READ # innodb_locks_unsafe_for_binlog 0 (default) or 1 (by # --innodb_locks_unsafe_for_binlog) # $engine_type storage engine to be tested # # Last update: # 2009-02-13 HH "Release_lock("hello")" is now also successful when delivering NULL, # replaced two sleeps by wait_condition. The last two "sleep 1" have not been # replaced as all tried wait conditions leaded to nondeterministic results, especially # to succeeding concurrent updates. To replace the sleeps there should be some time # planned (or internal knowledge of the server may help). # 2006-08-02 ML test refactored # old name was t/innodb_concurrent.test # main code went into include/concurrent.inc # 2008-06-03 KP test refactored; removed name locks, added comments. # renamed wrapper t/concurrent_innodb.test -> # t/concurrent_innodb_unsafelog.test # new wrapper t/concurrent_innodb_safelog.test # connection default; # # Show prerequisites for this test. # SELECT @@global.tx_isolation; SELECT @@global.innodb_locks_unsafe_for_binlog; # # When innodb_locks_unsafe_for_binlog is not set (zero), which is the # default, InnoDB takes "next-key locks"/"gap locks". This means it # locks the gap before the keys that it accessed to find the rows to # use for a statement. In this case we have to expect some more lock # wait timeouts in the tests below as if innodb_locks_unsafe_for_binlog # is set (non-zero). In the latter case no "next-key locks"/"gap locks" # are taken and locks on keys that do not match the WHERE conditon are # released. Hence less lock collisions occur. # We use the variable $keep_locks to set the expectations for # lock wait timeouts accordingly. # let $keep_locks= `SELECT NOT @@global.innodb_locks_unsafe_for_binlog`; --echo # keep_locks == $keep_locks # # Set up privileges and remove user level locks, if exist. # CREATE USER mysqltest@localhost; # # Preparatory cleanup. # --disable_warnings drop table if exists t1; --enable_warnings --echo --echo ** --echo ** two UPDATE's running and both changing distinct result sets --echo ** --echo ** connection thread1 connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** Get user level lock (ULL) for thread 1 select get_lock("hello",10); --echo ** connection thread2 connect (thread2, localhost, mysqltest,,); connection thread2; --echo ** Start transaction for thread 2 begin; --echo ** Update will cause a table scan and a new ULL will --echo ** be created and blocked on the first row where tipo=11. send update t1 set eta=1+get_lock("hello",10)*0 where tipo=11; --echo ** connection thread1 connection thread1; let $wait_condition= select count(*)= 1 from information_schema.processlist where state= 'User lock'; --source include/wait_condition.inc --echo ** Start new transaction for thread 1 begin; --echo ** Update on t1 will cause a table scan which will be blocked because --echo ** the previously initiated table scan applied exclusive key locks on --echo ** all primary keys. --echo ** Not so if innodb_locks_unsafe_for_binlog is set. The locks that --echo ** do not match the WHERE condition are released. if ($keep_locks) { --error ER_LOCK_WAIT_TIMEOUT update t1 set eta=2 where tipo=22; } if (!$keep_locks) { update t1 set eta=2 where tipo=22; } --echo ** Release user level name lock from thread 1. This will cause the ULL --echo ** on thread 2 to end its wait. # Due to Bug#32782 User lock hash fails to find lock, which probably also cause Bug#39484 (main.concurrent_innodb_safelog fails sporadically) the success of the following # is also guaranteed for NULL. Replaced SELECT by DO (no result). DO release_lock("hello"); --echo ** Table is now updated with a new eta on tipo=22 for thread 1. select * from t1; --echo ** connection thread2 connection thread2; --echo ** Release the lock and collect result from update on thread 2 reap; # Due to Bug#32782 User lock hash fails to find lock, which probably also cause Bug#39484 (main.concurrent_innodb_safelog fails sporadically) the success of the following # is also guaranteed for NULL. Replaced SELECT by DO (no result). DO release_lock("hello"); --echo ** Table should have eta updates where tipo=11 but updates made by --echo ** thread 1 shouldn't be visible yet. select * from t1; --echo ** Sending commit on thread 2. commit; --echo ** connection thread1 connection thread1; --echo ** Make sure table reads didn't change yet on thread 1. select * from t1; --echo ** And send final commit on thread 1. commit; --echo ** Table should now be updated by both updates in the order of --echo ** thread 1,2. select * from t1; --echo ** connection thread2 connection thread2; --echo ** Make sure the output is similar for t1. select * from t1; --echo ** connection thread1 connection thread1; select * from t1; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** two UPDATE's running and one changing result set --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** Get ULL "hello" on thread 1 select get_lock("hello",10); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; --echo ** Start transaction on thread 2 begin; --echo ** Update will cause a table scan. --echo ** This will cause a hang on the first row where tipo=1 until the --echo ** blocking ULL is released. send update t1 set eta=1+get_lock("hello",10)*0 where tipo=1; --echo ** connection thread1 connection thread1; let $wait_condition= select count(*)= 1 from information_schema.processlist where state= 'User lock'; --source include/wait_condition.inc --echo ** Start transaction on thread 1 begin; --echo ** Update on t1 will cause a table scan which will be blocked because --echo ** the previously initiated table scan applied exclusive key locks on --echo ** all primary keys. --echo ** Not so if innodb_locks_unsafe_for_binlog is set. The locks that --echo ** do not match the WHERE condition are released. if ($keep_locks) { --error ER_LOCK_WAIT_TIMEOUT update t1 set tipo=1 where tipo=2; } if (!$keep_locks) { update t1 set tipo=1 where tipo=2; } --echo ** Release ULL. This will release the next waiting ULL on thread 2. # Due to Bug#32782 User lock hash fails to find lock, which probably also cause Bug#39484 (main.concurrent_innodb_safelog fails sporadically)the success of the following # is also guaranteed for NULL. Replaced SELECT by DO (no result). DO release_lock("hello"); --echo ** The table should still be updated with updates for thread 1 only: select * from t1; --echo ** connection thread2 connection thread2; --echo ** Release the lock and collect result from thread 2: reap; # Due to Bug#32782 User lock hash fails to find lock, which probably also cause Bug#39484 (main.concurrent_innodb_safelog fails sporadically) the success of the following # is also guaranteed for NULL. Replaced SELECT by DO (no result). DO release_lock("hello"); --echo ** Seen from thread 2 the table should have been updated on four --echo ** places. select * from t1; commit; --echo ** connection thread1 connection thread1; --echo ** Thread 2 has committed but the result should remain the same for --echo ** thread 1 (updated on three places): select * from t1; commit; --echo ** After a commit the table should be merged with the previous --echo ** commit. --echo ** This select should show both updates: select * from t1; --echo ** connection thread2 connection thread2; select * from t1; --echo ** connection thread1 connection thread1; select * from t1; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** One UPDATE and one INSERT .... Monty's test --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1 (a int not null, b int not null); insert into t1 values (1,1),(2,1),(3,1),(4,1); --echo ** Create ULL 'hello2' select get_lock("hello2",10); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; --echo ** Begin a new transaction on thread 2 begin; --echo ** Update will create a table scan which creates a ULL where a=2; --echo ** this will hang waiting on thread 1. send update t1 set b=10+get_lock(concat("hello",a),10)*0 where a=2; --echo ** connection thread1 connection thread1; let $wait_condition= select count(*)= 1 from information_schema.processlist where state= 'User lock'; --source include/wait_condition.inc --echo ** Insert new values to t1 from thread 1; this created an implicit --echo ** commit since there are no on-going transactions. insert into t1 values (1,1); --echo ** Release the ULL (thread 2 updates will finish). # Due to Bug#32782 User lock hash fails to find lock, which probably also cause Bug#39484 (main.concurrent_innodb_safelog fails sporadically) the success of the following # is also guaranteed for NULL. Replaced SELECT by DO (no result). DO release_lock("hello2"); --echo ** ..but thread 1 will still see t1 as if nothing has happend: select * from t1; --echo ** connection thread2 connection thread2; --echo ** Collect results from thread 2 and release the lock. reap; # Due to Bug#32782 User lock hash fails to find lock, which probably also cause Bug#39484 (main.concurrent_innodb_safelog fails sporadically) the success of the following # is also guaranteed for NULL. Replaced SELECT by DO (no result). DO release_lock("hello2"); --echo ** The table should look like the original+updates for thread 2, --echo ** and consist of new rows: select * from t1; --echo ** Commit changes from thread 2 commit; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** one UPDATE changing result set and SELECT ... FOR UPDATE --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; --echo ** Begin a new transaction on thread 2 begin; --echo ** Select a range for update. select * from t1 where tipo=2 FOR UPDATE; --echo ** connection thread1 connection thread1; --echo ** Begin a new transaction on thread 1 begin; --echo ** Update the same range which is marked for update on thread 2; this --echo ** will hang because of row locks. --error ER_LOCK_WAIT_TIMEOUT update t1 set tipo=1 where tipo=2; --echo ** After the update the table will be unmodified because the previous --echo ** transaction failed and was rolled back. select * from t1; --echo ** connection thread2 connection thread2; --echo ** The table should look unmodified from thread 2. select * from t1; --echo ** Sending a commit should release the row locks and enable --echo ** thread 1 to complete the transaction. commit; --echo ** connection thread1 connection thread1; --echo ** Commit on thread 1. commit; --echo ** connection thread2 connection thread2; --echo ** The table should not have been changed. select * from t1; --echo ** connection thread1 connection thread1; --echo ** Even on thread 1: select * from t1; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** one UPDATE not changing result set and SELECT ... FOR UPDATE --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; --echo ** Starting new transaction on thread 2. begin; --echo ** Starting SELECT .. FOR UPDATE select * from t1 where tipo=2 FOR UPDATE; --echo ** connection thread1 connection thread1; --echo --echo ** Starting new transaction on thread 1 begin; --echo ** Updating single row using a table scan. This will time out --echo ** because of ongoing transaction on thread 1 holding lock on --echo ** all primary keys in the scan. --echo ** Not so if innodb_locks_unsafe_for_binlog is set. The locks that --echo ** do not match the WHERE condition are released. if ($keep_locks) { --error ER_LOCK_WAIT_TIMEOUT update t1 set tipo=11 where tipo=22; } if (!$keep_locks) { update t1 set tipo=11 where tipo=22; } --echo ** After the time out the transaction is aborted; no rows should --echo ** have changed. select * from t1; --echo ** connection thread2 connection thread2; --echo ** The same thing should hold true for the transaction on --echo ** thread 2 select * from t1; send commit; --echo ** connection thread1 connection thread1; commit; --echo ** connection thread2 connection thread2; --echo ** Even after committing: reap; select * from t1; --echo ** connection thread1 connection thread1; select * from t1; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** two SELECT ... FOR UPDATE --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; --echo ** Begin a new transaction on thread 2 begin; select * from t1 where tipo=2 FOR UPDATE; --echo ** connection thread1 connection thread1; --echo ** Begin a new transaction on thread 1 begin; --echo ** Selecting a range for update by table scan will be blocked --echo ** because of on-going transaction on thread 2. --error ER_LOCK_WAIT_TIMEOUT select * from t1 where tipo=1 FOR UPDATE; --echo ** connection thread2 connection thread2; --echo ** Table will be unchanged and the select command will not be --echo ** blocked: select * from t1; --echo ** Commit transacton on thread 2. commit; --echo ** connection thread1 connection thread1; --echo ** Commit transaction on thread 1. commit; --echo ** connection thread2 connection thread2; --echo ** Make sure table isn't blocked on thread 2: select * from t1; --echo ** connection thread1 connection thread1; --echo ** Make sure table isn't blocked on thread 1: select * from t1; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** one UPDATE changing result set and DELETE --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; begin; send delete from t1 where tipo=2; # The sleep has not been replaced as all tried wait conditions leaded to sporadically # succeding update in the following thread. Also the used status variables '%lock%' and # 'innodb_deleted_rows' and infos in processlist where not sucessful. sleep 1; --echo ** connection thread1 connection thread1; begin; --error ER_LOCK_WAIT_TIMEOUT update t1 set tipo=1 where tipo=2; select * from t1; --echo ** connection thread2 connection thread2; reap; select * from t1; send commit; --echo ** connection thread1 connection thread1; commit; --echo ** connection thread2 connection thread2; reap; select * from t1; --echo ** connection thread1 connection thread1; select * from t1; --echo ** connection default connection default; drop table t1; --echo --echo ** --echo ** one UPDATE not changing result set and DELETE --echo ** --echo ** connection thread1 #connect (thread1, localhost, mysqltest,,); connection thread1; --echo ** Set up table eval SET SESSION DEFAULT_STORAGE_ENGINE = $engine_type; create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); insert into t1 values (20,2,"ddddddddddddddddddddddddddddddddddddddddddd"); insert into t1 values (30,1,"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"); insert into t1 values (40,2,"fffffffffffffffffffffffffffffffffffffffffff"); insert into t1 values (50,1,"ggggggggggggggggggggggggggggggggggggggggggg"); insert into t1 values (60,2,"hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"); insert into t1 values (70,1,"iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"); insert into t1 values (80,22,"jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj"); insert into t1 values (90,11,"kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk"); --echo ** connection thread2 #connect (thread2, localhost, mysqltest,,); connection thread2; begin; send delete from t1 where tipo=2; # The sleep has not been replaced as all tried wait conditions leaded to sporadically # succeding update in the following thread. Also the used status variables '%lock%' and # 'innodb_deleted_rows' and infos in processlist where not sucessful. sleep 1; --echo ** connection thread1 connection thread1; begin; --echo ** Update on t1 will cause a table scan which will be blocked because --echo ** the previously initiated table scan applied exclusive key locks on --echo ** all primary keys. --echo ** Not so if innodb_locks_unsafe_for_binlog is set. The locks that --echo ** do not match the WHERE condition are released. if ($keep_locks) { --error ER_LOCK_WAIT_TIMEOUT update t1 set tipo=1 where tipo=22; } if (!$keep_locks) { update t1 set tipo=1 where tipo=22; } select * from t1; --echo ** connection thread2 connection thread2; reap; select * from t1; send commit; --echo ** connection thread1 connection thread1; commit; --echo ** connection thread2 connection thread2; reap; select * from t1; --echo ** connection thread1 connection thread1; select * from t1; --echo ** Cleanup connection thread1; disconnect thread1; --source include/wait_until_disconnected.inc --echo ** connection thread2 connection thread2; disconnect thread2; --source include/wait_until_disconnected.inc --echo ** connection default connection default; drop table t1; drop user mysqltest@localhost;
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