MDEV-30971 Add a new system variable aria_data_home_dir

mysql-test/suite/maria/aria_log_dir_path.result

+#
+# MDEV-30971 Add a new system variable aria_data_home_dir
+#
+# restart: --loose-aria-log-file-size=8388608 --loose-aria-log-dir-path=MYSQLTEST_VARDIR/tmp/aria_log_dir_path_1
+SET @@global.aria_log_purge_type=external;
+SHOW VARIABLES LIKE 'aria_log_file_size';
+Variable_name	Value
+aria_log_file_size	8388608
+SELECT @@aria_log_dir_path;
+@@aria_log_dir_path
+MYSQLTEST_VARDIR/tmp/aria_log_dir_path_1
+SET @@global.aria_checkpoint_interval=DEFAULT /*Force checkpoint*/;
+SHOW ENGINE aria logs;
+Type	Name	Status
+Aria	aria_log.00000001	in use
+CREATE TABLE t1 (id INT, txt LONGTEXT) ENGINE=Aria;
+BEGIN NOT ATOMIC
+FOR id IN 0..9 DO
+INSERT INTO test.t1 (id, txt) VALUES (id, REPEAT(id,1024*1024));
+END FOR;
+END;
+$$
+SET @@global.aria_checkpoint_interval=DEFAULT /*Force checkpoint*/;
+SHOW ENGINE aria logs;
+Type	Name	Status
+Aria	aria_log.00000001	free
+Aria	aria_log.00000002	in use
+DROP TABLE t1;
+# restart

mysql-test/suite/maria/aria_log_dir_path.test

+--source include/have_maria.inc
+--let $datadir= `SELECT @@datadir`
+
+--echo #
+--echo # MDEV-30971 Add a new system variable aria_data_home_dir
+--echo #
+
+--let $ARIA_LOGDIR=$MYSQLTEST_VARDIR/tmp/aria_log_dir_path_1
+--mkdir $ARIA_LOGDIR
+--let $restart_parameters=--loose-aria-log-file-size=8388608 --loose-aria-log-dir-path=$ARIA_LOGDIR
+--source include/restart_mysqld.inc
+
+#
+# Test that:
+# - aria_log_dir_path is set to a non-default directory.
+# - New Aria log files are created in the non-default directory.
+# - The contents of the log directory (according to "file_exists" commands)
+#   is in sync with the "SHOW ENGINE aria logs" ouput.
+#
+
+# Prevent automatic purge
+SET @@global.aria_log_purge_type=external;
+
+SHOW VARIABLES LIKE 'aria_log_file_size';
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+SELECT @@aria_log_dir_path;
+
+
+SET @@global.aria_checkpoint_interval=DEFAULT /*Force checkpoint*/;
+--file_exists $ARIA_LOGDIR/aria_log_control
+--file_exists $ARIA_LOGDIR/aria_log.00000001
+--error 1
+--file_exists $ARIA_LOGDIR/aria_log.00000002
+--replace_regex /Size +[0-9]+ ; .+aria_log/aria_log/
+SHOW ENGINE aria logs;
+
+
+CREATE TABLE t1 (id INT, txt LONGTEXT) ENGINE=Aria;
+DELIMITER $$;
+BEGIN NOT ATOMIC
+  FOR id IN 0..9 DO
+    INSERT INTO test.t1 (id, txt) VALUES (id, REPEAT(id,1024*1024));
+  END FOR;
+END;
+$$
+DELIMITER ;$$
+
+
+SET @@global.aria_checkpoint_interval=DEFAULT /*Force checkpoint*/;
+--file_exists $ARIA_LOGDIR/aria_log_control
+--file_exists $ARIA_LOGDIR/aria_log.00000001
+--file_exists $ARIA_LOGDIR/aria_log.00000002
+--error 1
+--file_exists $ARIA_LOGDIR/aria_log.00000003
+--replace_regex /Size +[0-9]+ ; .+aria_log/aria_log/
+SHOW ENGINE aria logs;
+
+DROP TABLE t1;
+
+--let $restart_parameters=
+--source include/restart_mysqld.inc
+--remove_file $ARIA_LOGDIR/aria_log_control
+--remove_file $ARIA_LOGDIR/aria_log.00000001
+--remove_file $ARIA_LOGDIR/aria_log.00000002
+--rmdir $ARIA_LOGDIR

mysql-test/suite/maria/maria3.result

@@ -311,6 +311,7 @@ aria_encrypt_tables	#
 aria_force_start_after_recovery_failures	#
 aria_group_commit	#
 aria_group_commit_interval	#
+aria_log_dir_path	#
 aria_log_file_size	#
 aria_log_purge_type	#
 aria_max_sort_file_size	#

mysql-test/suite/sys_vars/r/aria_log_dir_path_basic.result

+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+COUNT(@@GLOBAL.aria_log_dir_path)
+1
+SET @@GLOBAL.aria_log_dir_path=1;
+ERROR HY000: Variable 'aria_log_dir_path' is a read only variable
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+COUNT(@@GLOBAL.aria_log_dir_path)
+1
+SELECT @@GLOBAL.aria_log_dir_path = VARIABLE_VALUE
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
+WHERE VARIABLE_NAME='aria_log_dir_path';
+@@GLOBAL.aria_log_dir_path = VARIABLE_VALUE
+1
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+COUNT(@@GLOBAL.aria_log_dir_path)
+1
+SELECT COUNT(VARIABLE_VALUE)
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
+WHERE VARIABLE_NAME='aria_log_dir_path';
+COUNT(VARIABLE_VALUE)
+1
+SELECT @@aria_log_dir_path = @@GLOBAL.aria_log_dir_path;
+@@aria_log_dir_path = @@GLOBAL.aria_log_dir_path
+1
+SELECT COUNT(@@aria_log_dir_path);
+COUNT(@@aria_log_dir_path)
+1
+SELECT COUNT(@@local.aria_log_dir_path);
+ERROR HY000: Variable 'aria_log_dir_path' is a GLOBAL variable
+SELECT COUNT(@@SESSION.aria_log_dir_path);
+ERROR HY000: Variable 'aria_log_dir_path' is a GLOBAL variable
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+COUNT(@@GLOBAL.aria_log_dir_path)
+1
+SELECT aria_log_dir_path = @@SESSION.aria_log_dir_path;
+ERROR 42S22: Unknown column 'aria_log_dir_path' in 'field list'

mysql-test/suite/sys_vars/r/sysvars_aria.result

@@ -85,6 +85,18 @@ NUMERIC_BLOCK_SIZE	1
 ENUM_VALUE_LIST	NULL
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
+VARIABLE_NAME	ARIA_LOG_DIR_PATH
+SESSION_VALUE	NULL
+DEFAULT_VALUE	DATADIR
+VARIABLE_SCOPE	GLOBAL
+VARIABLE_TYPE	VARCHAR
+VARIABLE_COMMENT	Path to the directory where to store transactional log
+NUMERIC_MIN_VALUE	NULL
+NUMERIC_MAX_VALUE	NULL
+NUMERIC_BLOCK_SIZE	NULL
+ENUM_VALUE_LIST	NULL
+READ_ONLY	YES
+COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	ARIA_LOG_FILE_SIZE
 SESSION_VALUE	NULL
 DEFAULT_VALUE	1073741824

mysql-test/suite/sys_vars/r/sysvars_server_embedded.result

@@ -102,6 +102,16 @@ NUMERIC_BLOCK_SIZE	1
 ENUM_VALUE_LIST	NULL
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
+VARIABLE_NAME	ARIA_LOG_DIR_PATH
+VARIABLE_SCOPE	GLOBAL
+VARIABLE_TYPE	VARCHAR
+VARIABLE_COMMENT	Path to the directory where to store transactional log
+NUMERIC_MIN_VALUE	NULL
+NUMERIC_MAX_VALUE	NULL
+NUMERIC_BLOCK_SIZE	NULL
+ENUM_VALUE_LIST	NULL
+READ_ONLY	YES
+COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	ARIA_LOG_FILE_SIZE
 VARIABLE_SCOPE	GLOBAL
 VARIABLE_TYPE	BIGINT UNSIGNED

mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result

@@ -102,6 +102,16 @@ NUMERIC_BLOCK_SIZE	1
 ENUM_VALUE_LIST	NULL
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
+VARIABLE_NAME	ARIA_LOG_DIR_PATH
+VARIABLE_SCOPE	GLOBAL
+VARIABLE_TYPE	VARCHAR
+VARIABLE_COMMENT	Path to the directory where to store transactional log
+NUMERIC_MIN_VALUE	NULL
+NUMERIC_MAX_VALUE	NULL
+NUMERIC_BLOCK_SIZE	NULL
+ENUM_VALUE_LIST	NULL
+READ_ONLY	YES
+COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	ARIA_LOG_FILE_SIZE
 VARIABLE_SCOPE	GLOBAL
 VARIABLE_TYPE	BIGINT UNSIGNED

mysql-test/suite/sys_vars/t/aria_log_dir_path_basic.test

+--source include/have_maria.inc
+
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SET @@GLOBAL.aria_log_dir_path=1;
+
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+
+
+SELECT @@GLOBAL.aria_log_dir_path = VARIABLE_VALUE
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
+WHERE VARIABLE_NAME='aria_log_dir_path';
+
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+
+SELECT COUNT(VARIABLE_VALUE)
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
+WHERE VARIABLE_NAME='aria_log_dir_path';
+
+
+SELECT @@aria_log_dir_path = @@GLOBAL.aria_log_dir_path;
+
+
+SELECT COUNT(@@aria_log_dir_path);
+
+--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SELECT COUNT(@@local.aria_log_dir_path);
+
+--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SELECT COUNT(@@SESSION.aria_log_dir_path);
+
+SELECT COUNT(@@GLOBAL.aria_log_dir_path);
+
+--Error ER_BAD_FIELD_ERROR
+SELECT aria_log_dir_path = @@SESSION.aria_log_dir_path;

mysql-test/suite/sys_vars/t/sysvars_aria.test

@@ -2,7 +2,11 @@
 --source include/have_aria_used_for_temp_tables.inc
 --source include/word_size.inc
 
+let datadir=`select @@datadir`;
+
 --vertical_results
+
+--replace_result $datadir DATADIR
 select VARIABLE_NAME, SESSION_VALUE, DEFAULT_VALUE, VARIABLE_SCOPE, VARIABLE_TYPE, VARIABLE_COMMENT, NUMERIC_MIN_VALUE, NUMERIC_MAX_VALUE, NUMERIC_BLOCK_SIZE, ENUM_VALUE_LIST, READ_ONLY, COMMAND_LINE_ARGUMENT from information_schema.system_variables
   where variable_name like 'aria%'
   order by variable_name;

storage/maria/ha_maria.cc

@@ -188,7 +188,7 @@ static MYSQL_SYSVAR_BOOL(page_checksum, maria_page_checksums, 0,
 
 /* It is only command line argument */
 static MYSQL_SYSVAR_STR(log_dir_path, maria_data_root,
-       PLUGIN_VAR_NOSYSVAR | PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
+       PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
        "Path to the directory where to store transactional log",
        NULL, NULL, mysql_real_data_home);