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MDEV-12720 recovery fails with "Generic error" for ROW_FORMAT=compressed

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This bug was introduced in the fix of MDEV-12123, which invoked
page_zip_write_header() in the wrong way.

page_zip_write_header(): Assert that the length is not zero, to
be compatible with page_zip_parse_write_header().

btr_root_raise_and_insert(): Update the uncompressed page and then
invoke page_zip_write_header() with the correct length.
This commit is contained in:
Marko Mäkelä
2017-05-09 11:41:35 +03:00
parent d0ce870466
commit b3939a35aa
4 changed files with 48 additions and 8 deletions
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17
mysql-test/suite/innodb_zip/r/recover.result Normal file
View File

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#
# MDEV-12720 recovery fails with "Generic error"
# for ROW_FORMAT=compressed
#
CREATE TABLE a(i INT PRIMARY KEY AUTO_INCREMENT, s VARCHAR(255)) ENGINE=InnoDB
ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1;
BEGIN;
insert into a(i) select null;
insert into a select null, uuid() from a a, a b, a c;
insert into a select null, uuid() from a a, a b, a c;
insert into a select null, uuid() from a a, a b, a c;
SET GLOBAL innodb_flush_log_at_trx_commit=1;
COMMIT;
SELECT COUNT(*) from a;
COUNT(*)
1010
DROP TABLE a;