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Follow-up to MDEV-16328: ALTER TABLE…page_compression_level should not rebuild table

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Allow combination of non-instant, non-rebuilding operations with
changes of table options that do not require a rebuild.

For example, DROP INDEX or ADD INDEX can be performed with
ALGORITHM=NOCOPY together with changing such table options.
Changing the table options alone would be allowed with ALGORITHM=INSTANT.

INNOBASE_ALTER_NOCREATE: A new set of flags, for operations that
are refused for ALGORITHM=INSTANT and do not involve creating
index trees.

Move ALTER_RENAME_INDEX to the proper place (INNOBASE_ALTER_INSTANT).

innobase_need_rebuild(): Do not require a rebuild if
INNOBASE_ALTER_NOREBUILD operations are combined with ALTER_OPTIONS.

ha_innobase::prepare_inplace_alter_table(),
ha_innobase::inplace_alter_table(): Use the fast path if
ALTER_OPTIONS is combined with INNOBASE_ALTER_NOCREATE.
In this case, the actual changes would be deferred to
ha_innobase::commit_inplace_alter_table().
This commit is contained in:
Marko Mäkelä
2018-09-19 17:29:25 +03:00
parent 28ae79650d
commit 90b292ce31
6 changed files with 27 additions and 21 deletions
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6
mysql-test/suite/innodb/r/alter_algorithm.result
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@ -59,16 +59,16 @@ INSERT INTO t1(f1, f2, f4, f5) VALUES(1, 2, 3, 4);
SELECT @@alter_algorithm;
@@alter_algorithm
COPY
ALTER TABLE t1 ADD INDEX idx1(f4);
ALTER TABLE t1 ADD INDEX idx1(f4), page_compressed=1;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX idx;
ALTER TABLE t1 DROP INDEX idx, page_compression_level=5;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 ADD UNIQUE INDEX u1(f2);
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 DROP INDEX f4;
ALTER TABLE t1 DROP INDEX f4, page_compression_level=9;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
SET foreign_key_checks = 0;