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MDEV-35019 Provide a way to enable "rollback XA on disconnect" behavior we had before 10.5.2

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Implement variable legacy_xa_rollback_at_disconnect to support
backwards compatibility for applications that rely on the pre-10.5
behavior for connection disconnect, which is to rollback the
transaction (in violation of the XA specification).

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
This commit is contained in:
Kristian Nielsen
2024-10-10 20:52:45 +02:00
parent e927e28ebe
commit 8ae462a220
12 changed files with 152 additions and 1 deletions
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10
mysql-test/suite/sys_vars/r/sysvars_server_embedded.result
View File

@@ -1532,6 +1532,16 @@ NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME LEGACY_XA_ROLLBACK_AT_DISCONNECT
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT If a user session disconnects after putting a transaction into the XA PREPAREd state, roll back the transaction. Can be used for backwards compatibility to enable this pre-10.5 behavior for applications that expect it. Note that this violates the XA specification and should not be used for new code
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME LICENSE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR

10
mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
View File

@@ -1642,6 +1642,16 @@ NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME LEGACY_XA_ROLLBACK_AT_DISCONNECT
VARIABLE_SCOPE SESSION
VARIABLE_TYPE BOOLEAN
VARIABLE_COMMENT If a user session disconnects after putting a transaction into the XA PREPAREd state, roll back the transaction. Can be used for backwards compatibility to enable this pre-10.5 behavior for applications that expect it. Note that this violates the XA specification and should not be used for new code
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST OFF,ON
READ_ONLY NO
COMMAND_LINE_ARGUMENT OPTIONAL
VARIABLE_NAME LICENSE
VARIABLE_SCOPE GLOBAL
VARIABLE_TYPE VARCHAR