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MDEV-26870 --skip-symbolic-links does not disallow .isl file creation

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The InnoDB DATA DIRECTORY attribute is not implemented via
symbolic links but something similar, *.isl files that contain
the names of data files.

InnoDB failed to ignore the DATA DIRECTORY attribute even though
the server was started with --skip-symbolic-links.

Native ALTER TABLE in InnoDB will retain the DATA DIRECTORY attribute
of the table, no matter if the table will be rebuilt or not.

Generic ALTER TABLE (with ALGORITHM=COPY) as well as TRUNCATE TABLE
will discard the DATA DIRECTORY attribute.

All tests have been run with and without the ./mtr option
--mysqld=--skip-symbolic-links
and some tests that use the InnoDB DATA DIRECTORY attribute
have been adjusted for this.
This commit is contained in:
Marko Mäkelä
2022-01-21 14:43:59 +02:00
parent fa7a67ff49
commit c1d7b4575e
19 changed files with 133 additions and 13 deletions
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1
mysql-test/suite/innodb/t/innodb-wl5980-debug.test
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@ -8,6 +8,7 @@
--source include/not_embedded.inc
--source include/have_debug.inc
--source include/have_innodb.inc
--source include/have_symlink.inc
# These messages are expected in the log
call mtr.add_suppression("Cannot find space id [0-9]+ in the tablespace memory cache");