MDEV-12472: InnoDB should accept XtraDB parameters, warning that they are ignored

Added a new file ha_xtradb.h where XtraDB parameters are defined. This
file is included in two places to avoid too intrusive change to
ha_innodb.cc that would make future merges harder.

innodb_show_locks_held and innodb_show_verbose_locks should be
implemented (but on different commit).

mysql-test/suite/innodb/t/innodb_xtradb_compat-master.opt

+--innodb-adaptive-hash-index-partitions=16
+--innodb-buffer-pool-populate=1
+--innodb-cleaner-eviction-factor
+--innodb-cleaner-flush-chunk-size=16
+--innodb-cleaner_free_list_lwm=1
+--innodb-cleaner-lru-chunk-size=1
+--innodb-cleaner-lsn-age-factor=HIGH_CHECKPOINT
+--innodb-cleaner-max-flush-time=1
+--innodb-cleaner-max-lru-time=1
+--innodb-corrupt-table-action=salvage
+--innodb-empty-free-list-algorithm=BACKOFF
+--innodb-fake-changes
+--innodb-file-io-threads=16
+--innodb-foreground-preflush=EXPONENTIAL_BACKOFF
+--innodb-kill-idle-transaction=1
+--innodb-locking-fake-changes
+--innodb-log-arch-expire-sec=1
+--innodb-log-arch-dir='ttt'
+--innodb-log-archive
+--innodb-log-block-size=16
+--innodb-log_checksum_algorithm=STRICT_INNODB
+--innodb-max-bitmap-file-size=1
+--innodb-max-changed-pages=1
+--innodb-mirrored-log-groups=8
+--innodb-priority-cleaner
+--innodb-priority-io
+--innodb-priority-master
+--innodb-priority-purge
+--innodb-sched-priority-cleaner=16
+--innodb-sched-priority-io=16
+--innodb-sched-priority-master=16
+--innodb-sched-priority-purge=16
+--innodb-show-locks-held=16
+--innodb-show-verbose-locks=1
+--innodb-track-changed-pages
+--innodb-track-redo-log-now
+--innodb-use-global-flush-log-at-trx-commit
+--innodb-use-stacktrace

mysql-test/suite/innodb/t/innodb_xtradb_compat.test

+--source include/have_innodb.inc
+--source include/have_debug.inc
+--source include/not_embedded.inc
+
+select @@innodb_adaptive_hash_index_partitions, @@innodb_adaptive_hash_index_parts;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_adaptive_hash_index_partitions=1;
+
+select @@innodb_buffer_pool_populate;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_buffer_pool_populate=1;
+
+select @@innodb_cleaner_eviction_factor;
+set global innodb_cleaner_eviction_factor=1;
+select @@innodb_cleaner_eviction_factor;
+
+select @@innodb_cleaner_flush_chunk_size;
+set global innodb_cleaner_flush_chunk_size=8;
+select @@innodb_cleaner_flush_chunk_size;
+
+select @@innodb_cleaner_free_list_lwm;
+set global innodb_cleaner_free_list_lwm=1;
+select @@innodb_cleaner_free_list_lwm;
+
+select @@innodb_cleaner_lru_chunk_size;
+set global innodb_cleaner_lru_chunk_size=8;
+select @@innodb_cleaner_lru_chunk_size;
+
+select @@innodb_cleaner_lsn_age_factor;
+set global innodb_cleaner_lsn_age_factor=HIGH_CHECKPOINT;
+select @@innodb_cleaner_lsn_age_factor;
+
+select @@innodb_cleaner_max_flush_time;
+set global innodb_cleaner_max_flush_time=1;
+select @@innodb_cleaner_max_flush_time;
+
+select @@innodb_cleaner_max_lru_time;
+set global innodb_cleaner_max_lru_time=1;
+select @@innodb_cleaner_max_lru_time;
+
+select @@innodb_corrupt_table_action;
+set global innodb_corrupt_table_action=salvage;
+select @@innodb_corrupt_table_action;
+
+select @@innodb_empty_free_list_algorithm;
+set global innodb_empty_free_list_algorithm=BACKOFF;
+select @@innodb_empty_free_list_algorithm;
+
+select @@innodb_fake_changes;
+set global innodb_fake_changes=1;
+select @@innodb_fake_changes;
+
+--echo # @@innodb_file_io_threads is absent
+
+select @@innodb_foreground_preflush;
+set global innodb_foreground_preflush=EXPONENTIAL_BACKOFF;
+select @@innodb_foreground_preflush;
+
+select @@innodb_kill_idle_transaction;
+set global innodb_kill_idle_transaction=1;
+select @@innodb_kill_idle_transaction;
+
+select @@innodb_locking_fake_changes;
+set global innodb_locking_fake_changes=1;
+select @@innodb_locking_fake_changes;
+
+select @@innodb_log_arch_expire_sec;
+set global innodb_log_arch_expire_sec=1;
+select @@innodb_log_arch_expire_sec;
+
+select @@innodb_log_block_size;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_log_block_size= 8;
+
+select @@innodb_log_checksum_algorithm, @@innodb_log_checksums;
+set global innodb_log_checksum_algorithm=NONE;
+select @@innodb_log_checksum_algorithm, @@innodb_log_checksums;
+set global innodb_log_checksum_algorithm=STRICT_INNODB;
+select @@innodb_log_checksum_algorithm, @@innodb_log_checksums;
+
+select @@innodb_max_bitmap_file_size;
+set global innodb_max_bitmap_file_size=1;
+select @@innodb_max_bitmap_file_size;
+
+select @@innodb_max_changed_pages;
+set global innodb_max_changed_pages=1;
+select @@innodb_max_changed_pages;
+
+select @@innodb_mirrored_log_groups;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_mirrored_log_groups= 4;
+
+select @@innodb_priority_cleaner;
+set global innodb_priority_cleaner=1;
+select @@innodb_priority_cleaner;
+
+select @@innodb_priority_io;
+set global innodb_priority_io=1;
+select @@innodb_priority_io;
+
+select @@innodb_priority_master;
+set global innodb_priority_master=1;
+select @@innodb_priority_master;
+
+select @@innodb_priority_purge;
+set global innodb_priority_purge=1;
+select @@innodb_priority_purge;
+
+select @@innodb_sched_priority_cleaner;
+set global innodb_sched_priority_cleaner=8;
+select @@innodb_sched_priority_cleaner;
+
+select @@innodb_sched_priority_io;
+set global innodb_sched_priority_io=8;
+select @@innodb_sched_priority_io;
+
+select @@innodb_sched_priority_master;
+set global innodb_sched_priority_master=8;
+select @@innodb_sched_priority_master;
+
+select @@innodb_sched_priority_purge;
+set global innodb_sched_priority_purge=8;
+select @@innodb_sched_priority_purge;
+
+select @@innodb_show_locks_held;
+set global innodb_show_locks_held=8;
+select @@innodb_show_locks_held;
+
+select @@innodb_show_verbose_locks;
+set global innodb_show_verbose_locks=1;
+select @@innodb_show_verbose_locks;
+
+select @@innodb_track_changed_pages;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_track_changed_pages=1;
+
+select @@innodb_track_redo_log_now;
+set global innodb_track_redo_log_now=1;
+select @@innodb_track_redo_log_now;
+
+select @@innodb_use_global_flush_log_at_trx_commit;
+set global innodb_use_global_flush_log_at_trx_commit=1;
+select @@innodb_use_global_flush_log_at_trx_commit;
+
+select @@innodb_use_stacktrace;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_use_stacktrace=1;
+
+select @@innodb_log_archive;
+set global innodb_log_archive=1;
+select @@innodb_log_archive;
+
+select @@innodb_log_arch_dir;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_log_arch_dir="ttt";
+
+--let SEARCH_FILE= $MYSQLTEST_VARDIR/log/mysqld.1.err
+--let SEARCH_PATTERN=Using [A-Za-z\\-]* is deprecated and the parameter may be removed in future releases. Ignoning the parameter.
+--source include/search_pattern_in_file.inc

storage/innobase/handler/ha_innodb.cc

@@ -133,6 +133,12 @@ void reset_thd(MYSQL_THD thd);
 TABLE *open_purge_table(THD *thd, const char *db, size_t dblen,
 			const char *tb, size_t tblen);
 
+/** Check if user has used xtradb extended system variable that
+is not currently supported by innodb or marked as deprecated. */
+static
+void
+innodb_check_deprecated(void);
+
 #ifdef MYSQL_DYNAMIC_PLUGIN
 #define tc_size  400
 #define tdc_size 400
@@ -4046,6 +4052,8 @@ innobase_init(
 		goto error;
 	}
 
+	innodb_check_deprecated();
+
 
 	/* First calculate the default path for innodb_data_home_dir etc.,
 	in case the user has not given any value.
@@ -21885,6 +21893,8 @@ static MYSQL_SYSVAR_BOOL(instrument_semaphores, innodb_instrument_semaphores,
   "DEPRECATED. This setting has no effect.",
   NULL, innodb_instrument_semaphores_update, FALSE);
 
+#include "ha_xtradb.h"
+
 static struct st_mysql_sys_var* innobase_system_variables[]= {
   MYSQL_SYSVAR(autoextend_increment),
   MYSQL_SYSVAR(buffer_pool_size),
@@ -22097,6 +22107,11 @@ static struct st_mysql_sys_var* innobase_system_variables[]= {
   MYSQL_SYSVAR(instrument_semaphores),
   MYSQL_SYSVAR(buf_dump_status_frequency),
   MYSQL_SYSVAR(background_thread),
+
+  /* XtraDB compatibility system variables */
+#define HA_XTRADB_SYSVARS
+#include "ha_xtradb.h"
+
   NULL
 };