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Author SHA1 Message Date
Marko Mäkelä
7008d46164 Follow-up to MDEV-13227: Shorten the test 
The bug only affects ROW_FORMAT=DYNAMIC tables.
It is reproducible already with 2 records in the table.

Keep testing with ROW_FORMAT=REDUNDANT just in case.
 2017-09-06 16:13:20 +03:00
Jan Lindström
d1b3e428d4 MDEV-13227: Assertion failure len < 16384 in file rem0rec.cc line 1285 
Crashes with innodb_page_size=64K. Does not crash at <= 32K.

Problem was that when blob record that was earlier < 16k is
enlarged at update wo that length > 16K it should be stored
externally. However, that was not enforced when page-size = 64K
(note that 16K+1 < 64K/2 i.e. half of the btree leaf page).

btr_cur_optimistic_update: limit max record size to 16K
or in REDUNDANT row format to 16K-1.
 2017-07-20 13:18:30 +03:00