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MDEV-9040: 10.1.8 fails after upgrade from 10.0.21

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Analysis: Lengths which are not UNIV_SQL_NULL, but bigger than the following
number indicate that a field contains a reference to an externally
stored part of the field in the tablespace. The length field then
contains the sum of the following flag and the locally stored len.

This was incorrectly set to

define UNIV_EXTERN_STORAGE_FIELD (UNIV_SQL_NULL - UNIV_PAGE_SIZE_MAX)

When it should be

define UNIV_EXTERN_STORAGE_FIELD (UNIV_SQL_NULL - UNIV_PAGE_SIZE_DEF)

Additionally, we need to disable support for > 16K page size for
row compressed tables because a compressed page directory entry
reserves 14 bits for the start offset and 2 bits for flags.
This limits the uncompressed page size to 16k. To support
larger pages page directory entry needs to be larger.
This commit is contained in:
Jan Lindström 2015-11-05 09:42:23 +02:00
commit 25f8738112
27 changed files with 222 additions and 191 deletions
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2
mysql-test/suite/sys_vars/r/sysvars_innodb.result
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@ -1339,7 +1339,7 @@ VARIABLE_NAME INNODB_LOG_BUFFER_SIZE
SESSION_VALUE NULL
GLOBAL_VALUE 1048576
GLOBAL_VALUE_ORIGIN CONFIG
DEFAULT_VALUE 8388608
DEFAULT_VALUE 16777216
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE BIGINT
VARIABLE_COMMENT The size of the buffer which InnoDB uses to write log to the log files on disk.