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77 lines
4.0 KiB
77 lines
4.0 KiB
create
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definer = `mysql.sys`@localhost function sys.format_path(in_path varchar(512)) returns varchar(512) comment '
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Description
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-----------
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Takes a raw path value, and strips out the datadir or tmpdir
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replacing with @@datadir and @@tmpdir respectively.
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Also normalizes the paths across operating systems, so backslashes
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on Windows are converted to forward slashes
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Parameters
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-----------
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path (VARCHAR(512)):
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The raw file path value to format.
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Returns
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-----------
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VARCHAR(512) CHARSET UTF8MB4
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Example
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-----------
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mysql> select @@datadir;
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+-----------------------------------------------+
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| @@datadir |
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+-----------------------------------------------+
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| /Users/mark/sandboxes/SmallTree/AMaster/data/ |
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+-----------------------------------------------+
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1 row in set (0.06 sec)
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mysql> select format_path(''/Users/mark/sandboxes/SmallTree/AMaster/data/mysql/proc.MYD'') AS path;
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+--------------------------+
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| path |
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+--------------------------+
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| @@datadir/mysql/proc.MYD |
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+--------------------------+
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1 row in set (0.03 sec)
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' deterministic sql security invoker no sql
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BEGIN
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DECLARE v_path VARCHAR(512);
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DECLARE v_undo_dir VARCHAR(1024);
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DECLARE path_separator CHAR(1) DEFAULT '/';
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IF @@global.version_compile_os LIKE 'win%' THEN
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SET path_separator = '\\';
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END IF;
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-- OSX hides /private/ in variables, but Performance Schema does not
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IF in_path LIKE '/private/%' THEN
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SET v_path = REPLACE(in_path, '/private', '');
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ELSE
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SET v_path = in_path;
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END IF;
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-- @@global.innodb_undo_directory is only set when separate undo logs are used
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SET v_undo_dir = IFNULL((SELECT VARIABLE_VALUE FROM performance_schema.global_variables WHERE VARIABLE_NAME = 'innodb_undo_directory'), '');
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IF v_path IS NULL THEN
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RETURN NULL;
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ELSEIF v_path LIKE CONCAT(@@global.datadir, IF(SUBSTRING(@@global.datadir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, @@global.datadir, CONCAT('@@datadir', IF(SUBSTRING(@@global.datadir, -1) = path_separator, path_separator, '')));
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ELSEIF v_path LIKE CONCAT(@@global.tmpdir, IF(SUBSTRING(@@global.tmpdir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, @@global.tmpdir, CONCAT('@@tmpdir', IF(SUBSTRING(@@global.tmpdir, -1) = path_separator, path_separator, '')));
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ELSEIF v_path LIKE CONCAT(@@global.replica_load_tmpdir, IF(SUBSTRING(@@global.replica_load_tmpdir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, @@global.replica_load_tmpdir, CONCAT('@@replica_load_tmpdir', IF(SUBSTRING(@@global.replica_load_tmpdir, -1) = path_separator, path_separator, '')));
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ELSEIF v_path LIKE CONCAT(@@global.innodb_data_home_dir, IF(SUBSTRING(@@global.innodb_data_home_dir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, @@global.innodb_data_home_dir, CONCAT('@@innodb_data_home_dir', IF(SUBSTRING(@@global.innodb_data_home_dir, -1) = path_separator, path_separator, '')));
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ELSEIF v_path LIKE CONCAT(@@global.innodb_log_group_home_dir, IF(SUBSTRING(@@global.innodb_log_group_home_dir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, @@global.innodb_log_group_home_dir, CONCAT('@@innodb_log_group_home_dir', IF(SUBSTRING(@@global.innodb_log_group_home_dir, -1) = path_separator, path_separator, '')));
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ELSEIF v_path LIKE CONCAT(v_undo_dir, IF(SUBSTRING(v_undo_dir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, v_undo_dir, CONCAT('@@innodb_undo_directory', IF(SUBSTRING(v_undo_dir, -1) = path_separator, path_separator, '')));
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ELSEIF v_path LIKE CONCAT(@@global.basedir, IF(SUBSTRING(@@global.basedir, -1) = path_separator, '%', CONCAT(path_separator, '%'))) ESCAPE '|' THEN
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SET v_path = REPLACE(v_path, @@global.basedir, CONCAT('@@basedir', IF(SUBSTRING(@@global.basedir, -1) = path_separator, path_separator, '')));
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END IF;
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RETURN v_path;
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END;
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