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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
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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
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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
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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
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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
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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
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ctype_unicode_latin.inc
10.23
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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
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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
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get_handler_status_counts.inc
143
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get_ndb_epochs.inc
2.12
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get_relay_log_pos.inc
2.77
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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 : cond_filter_queries.inc
--echo --echo ### Test that optimizer_condition_fanout_filter works ### set optimizer_switch='condition_fanout_filter=off'; --echo EXPLAIN SELECT * FROM t1 WHERE col3=5; EXPLAIN SELECT * FROM t1 WHERE col1_idx>1; EXPLAIN SELECT * FROM t1 JOIN t2 WHERE t1.col1_idx=t2.col1_idx; set optimizer_switch='condition_fanout_filter=on'; --echo EXPLAIN SELECT * FROM t1 WHERE col3=5; --echo ######################################################### --echo --echo # Testing non-indexed Operators --echo --echo # Simple operands EXPLAIN SELECT * FROM t1 WHERE t1.col3=5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<=>5; EXPLAIN SELECT * FROM t1 WHERE t1.col3>5; EXPLAIN SELECT * FROM t1 WHERE t1.col3>=5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<=5; --echo --echo # NOT <simple operands> EXPLAIN SELECT * FROM t1 WHERE t1.col3!=5; EXPLAIN SELECT * FROM t1 WHERE NOT t1.col3<=5; --echo --echo # BETWEEN EXPLAIN SELECT * FROM t1 WHERE t1.col3 BETWEEN 5 AND 10; --echo --echo # NOT BETWEEN EXPLAIN SELECT * FROM t1 WHERE t1.col3 NOT BETWEEN 5 AND 10; --echo --echo # <column> IN EXPLAIN SELECT * FROM t1 WHERE t1.col3 IN (5, 6); EXPLAIN SELECT * FROM t1 WHERE t1.col3 IN (5, 6, 7, 8); --echo # Dependent subquery in IN list. No filtering in t1 EXPLAIN SELECT * FROM t1 WHERE t1.col3 IN (1, (SELECT col3 FROM t2 where col3=t1.col4 LIMIT 1)); --echo --echo # <column> NOT IN EXPLAIN SELECT * FROM t1 WHERE t1.col3 NOT IN (5, 6); EXPLAIN SELECT * FROM t1 WHERE t1.col3 NOT IN (5, 6, 7, 8); --echo --echo # <row_value> IN EXPLAIN SELECT * FROM t1 WHERE (t1.col3, t1.col4) IN ((5,5),(6,6),(7,7)); EXPLAIN SELECT * FROM t1 WHERE (t1.col3, t1.col4) IN ((5,5),(6,6),(7,7),(8,8),(9,9),(10,10)); EXPLAIN SELECT * FROM t1 WHERE (t1.col3, 1) IN ((5,5),(6,6),(7,7)); --echo --echo # <row_value> NOT IN EXPLAIN SELECT * FROM t1 WHERE (t1.col3, t1.col4) NOT IN ((5,5),(6,6),(7,7)); EXPLAIN SELECT * FROM t1 WHERE (t1.col3, 1) NOT IN ((5,5),(6,6),(7,7)); --echo --echo # NULL EXPLAIN SELECT * FROM t1 WHERE t1.col3 IS NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col3 = NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col3>NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col3>=NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col3<NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col3<=NULL; EXPLAIN SELECT * FROM t1 WHERE NULL>t1.col3; EXPLAIN SELECT * FROM t1 WHERE NULL>=t1.col3; EXPLAIN SELECT * FROM t1 WHERE NULL<t1.col3; EXPLAIN SELECT * FROM t1 WHERE NULL<=t1.col3; --echo --echo # NOT NULL EXPLAIN SELECT * FROM t1 WHERE t1.col3 IS NOT NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col3 != NULL; --echo --echo # NULL (not nullable column) EXPLAIN SELECT * FROM t1 WHERE t1.col4 IS NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col4 = NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col4>NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col4>=NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col4<NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col4<=NULL; EXPLAIN SELECT * FROM t1 WHERE NULL>t1.col4; EXPLAIN SELECT * FROM t1 WHERE NULL>=t1.col4; EXPLAIN SELECT * FROM t1 WHERE NULL<t1.col4; EXPLAIN SELECT * FROM t1 WHERE NULL<=t1.col4; --echo --echo # NOT NULL (not nullable column) EXPLAIN SELECT * FROM t1 WHERE t1.col4 IS NOT NULL; EXPLAIN SELECT * FROM t1 WHERE t1.col4 != NULL; --echo --echo # LIKE EXPLAIN SELECT * FROM t1 WHERE t1.vc LIKE 'america'; EXPLAIN SELECT * FROM t1 WHERE t1.vc LIKE '%america'; EXPLAIN SELECT * FROM t1 WHERE t1.vc LIKE 'amer%'; EXPLAIN SELECT * FROM t1 WHERE t1.vc NOT LIKE 'america'; EXPLAIN SELECT * FROM t1 WHERE t1.vc NOT LIKE '%america'; EXPLAIN SELECT * FROM t1 WHERE t1.vc NOT LIKE 'amer%'; --echo --echo # FULLTEXT EXPLAIN SELECT * FROM t1 WHERE MATCH(t1.vc) AGAINST ('+norway' IN BOOLEAN MODE); EXPLAIN SELECT * FROM t1 WHERE MATCH(t1.vc_ft) AGAINST ('+norway'); EXPLAIN SELECT * FROM t1 WHERE MATCH(t1.vc_ft) AGAINST ('norway'); EXPLAIN SELECT * FROM t1 WHERE NOT MATCH(t1.vc) AGAINST ('+norway' IN BOOLEAN MODE); EXPLAIN SELECT * FROM t1 WHERE NOT MATCH(t1.vc_ft) AGAINST ('+norway'); EXPLAIN SELECT * FROM t1 WHERE NOT MATCH(t1.vc_ft) AGAINST ('norway'); --echo --echo # Functions EXPLAIN SELECT * FROM t1 WHERE length(t1.vc) > 3; EXPLAIN SELECT * FROM t1 WHERE length(t1.vc) = 3; EXPLAIN SELECT * FROM t1 WHERE length(t1.vc) IS NULL; EXPLAIN SELECT * FROM t1 WHERE length(t1.vc) IS NOT NULL; --echo --echo # AND/OR/XOR EXPLAIN SELECT * FROM t1 WHERE t1.col3<5; EXPLAIN SELECT * FROM t1 WHERE t1.col4<5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<5 OR col4<5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<5 AND col4<5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<5 XOR col4<5; EXPLAIN SELECT * FROM t1 WHERE t1.col3<5 XOR col4<5 XOR col1_idx>3; EXPLAIN SELECT * FROM t1 WHERE t1.col3<5 XOR (col4<5 AND col4>1); --echo # Done OP non-indexed tests --echo --echo ### START SUBQUERY LOOP ### let $iterations=2; while ($iterations) { # Should there be a filter on semijoin nests? No - #rows=1 is enough --echo --echo # table scan in subq, no filter EXPLAIN SELECT * FROM t1 WHERE t1.col3 IN (SELECT col3 FROM t2); --echo --echo # table scan in subq, filter from range access EXPLAIN SELECT * FROM t1 WHERE t1.col3 IN (SELECT col3 FROM t2 where col1_idx>2); --echo --echo # table scan subquery, filter SEL(=) EXPLAIN SELECT * FROM t1 WHERE t1.col3 IN (SELECT col3 FROM t2 where col3=3); --echo --echo # range in subquery, no filter EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT col3 FROM t2 where col1_idx>2); --echo --echo # table scan subquery, filter SEL(=) EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT col3 FROM t2 where col3=3); --echo --echo # range in subquery, filter SEL(=) EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT col3 FROM t2 where col1_idx>2 and col3=3); --echo --echo # EXISTS - outer reference --echo # dynamic range subq, filter SEL(>) EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT 1 FROM t2 where col1_idx>t1.col3); --echo --echo # EXPLAIN SELECT * FROM t1 WHERE col3 = (SELECT 1 FROM t2); EXPLAIN SELECT * FROM t1 WHERE col3 <=> (SELECT 1 FROM t2); EXPLAIN SELECT * FROM t1 WHERE col3 > (SELECT 1 FROM t2); EXPLAIN SELECT * FROM t1 WHERE col3 >= (SELECT 1 FROM t2); EXPLAIN SELECT * FROM t1 WHERE col3 < (SELECT 1 FROM t2); EXPLAIN SELECT * FROM t1 WHERE col3 <= (SELECT 1 FROM t2); EXPLAIN SELECT * FROM t1 WHERE col3 between (SELECT 1 FROM t2) and 2; EXPLAIN SELECT * FROM t1 WHERE col1_idx = (SELECT 1 FROM t2 LIMIT 1); EXPLAIN SELECT * FROM t1 WHERE col1_idx <=> (SELECT 1 FROM t2 LIMIT 1); EXPLAIN SELECT * FROM t1 WHERE col1_idx > (SELECT 1 FROM t2 LIMIT 1); EXPLAIN SELECT * FROM t1 WHERE col1_idx >= (SELECT 1 FROM t2 LIMIT 1); EXPLAIN SELECT * FROM t1 WHERE col1_idx < (SELECT 1 FROM t2 LIMIT 1); EXPLAIN SELECT * FROM t1 WHERE col1_idx <= (SELECT 1 FROM t2 LIMIT 1); EXPLAIN SELECT * FROM t1 WHERE col1_idx between (SELECT 1 FROM t2 LIMIT 1) and 2; --echo set optimizer_switch='semijoin=off'; --echo dec $iterations; } set optimizer_switch=default; --echo ################ --echo EXPLAIN SELECT * FROM t1 AS t1a JOIN t1 AS t1b ON t1a.col1_idx=t1b.col1_idx WHERE t1b.col3=5; --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx=t2.col1_idx WHERE t2.col3=5; --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx=t2.col1_idx WHERE t1.col3=t2.col3; --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx=t2.col1_idx WHERE t1.col2_idx=1 AND t2.col2_idx=1; --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx=t2.col1_idx WHERE t1.col2_idx>1 AND t2.col2_idx>1; --echo # t2(ALL)-t1(DR) # t1 filter = Conjunction of DEFAULT (Join condition) and range estimate EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx>t2.col1_idx WHERE t1.col2_idx>1 AND t2.col2_idx>1; --echo # t2(ALL)-t1(ALL) # t1 filter = range estimate (Join condition is ignored) EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx>t2.col1_idx WHERE t1.col1_idx>1 AND t2.col1_idx>1; --echo # # EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx>t2.col1_idx WHERE t1.col1_idx!=1 AND t2.col1_idx>4; --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col1_idx>t2.col1_idx; --echo EXPLAIN SELECT * FROM t1 WHERE col1_idx > 500 AND col2_idx > 500; --echo EXPLAIN SELECT * FROM t1 WHERE col1_idx > 120 AND col2_idx > 120; --echo # filter effect from indexed column IN EXPLAIN SELECT * FROM t1 WHERE col1_idx IN (120,121,122) AND col2_idx IN (120,121,122); --echo # TODO: after wl7019 --echo # EXPLAIN --echo # SELECT * FROM t1 WHERE col1_idx IN (120,121,122); --echo # EXPLAIN --echo # SELECT * FROM t1 WHERE (col1_idx,c) IN ((120,1),(121,2),(122,3)); ## working on # filter effect from indexed column NOT IN --echo --echo range on col1_idx and filtering estimate from the range optimizer on col2_idx --echo -> no filtering effect for filter_single_col_small --echo -> very small filtering effect for filter_single_col_big EXPLAIN SELECT * FROM t1 WHERE col1_idx IN (120,121,122) AND col2_idx NOT IN (120,121,122); # filter effect from unindexed column IN --echo EXPLAIN SELECT * FROM t1 WHERE col1_idx IN (120,121,122) AND col3 IN (120,121,122); # filter effect from unindexed column NOT IN --echo EXPLAIN SELECT * FROM t1 WHERE col1_idx IN (120,121,122) AND col3 NOT IN (120,121,122); --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col3=t2.col1_idx WHERE t2.col1_idx>20; --echo EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.col3=t2.col1_idx WHERE t2.col1_idx=20;
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