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061adae9a2
On Windows systems, occurrences of ERROR_SHARING_VIOLATION due to conflicting share modes between processes accessing the same file can result in CreateFile failures. mysys' my_open() already incorporates a workaround by implementing wait/retry logic on Windows. But this does not help if files are opened using shell redirection like mysqltest traditionally did it, i.e via --echo exec "some text" > output_file In such cases, it is cmd.exe, that opens the output_file, and it won't do any sharing-violation retries. This commit addresses the issue by introducing a new built-in command, 'write_line', in mysqltest. This new command serves as a brief alternative to 'write_file', with a single line output, that also resolves variables like "exec" would. Internally, this command will use my_open(), and therefore retry-on-error logic. Hopefully this will eliminate the very sporadic "can't open file because it is used by another process" error on CI.
56 lines
1.8 KiB
Text
56 lines
1.8 KiB
Text
--source include/not_embedded.inc
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#
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# MDEV-18496 Crash when Aria encryption is enabled but plugin not available
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#
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call mtr.add_suppression("Initialization of encryption failed.*");
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set global aria_encrypt_tables= 1;
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--error HA_ERR_NO_ENCRYPTION
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create table t1 (pk int primary key, a int, key(a)) engine=aria transactional=1;
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set global aria_encrypt_tables= default;
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--echo #
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--echo # MDEV-26258 Various crashes/asserts/corruptions when Aria encryption is
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--echo # enabled/used, but the encryption plugin is not loaded
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--echo #
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SET GLOBAL aria_encrypt_tables=ON;
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--write_file $MYSQLTEST_VARDIR/keys1.txt
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1;770A8A65DA156D24EE2A093277530142
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EOF
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--replace_result \\ /
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--error HA_ERR_NO_ENCRYPTION
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CREATE TABLE t1 (a INT KEY,b INT,KEY(b)) ENGINE=Aria;
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--echo # Restart with encryption enabled
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--write_line wait $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--shutdown_server
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--source include/wait_until_disconnected.inc
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--write_line "restart:--aria-encrypt-tables=1 --plugin-load-add=file_key_management --file-key-management --file-key-management-filename=$MYSQLTEST_VARDIR/keys1.txt" $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--enable_reconnect
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--source include/wait_until_connected_again.inc
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CREATE TABLE t1 (a INT KEY,b INT,KEY(b)) ENGINE=Aria;
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INSERT INTO t1 VALUES (4,0);
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LOAD INDEX INTO CACHE t1 IGNORE LEAVES;
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LOAD INDEX INTO CACHE t1;
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# Restart without encryption. Above table should be unreadable
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--write_line wait $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--shutdown_server
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--source include/wait_until_disconnected.inc
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--write_line "restart:--aria-encrypt-tables=0" $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--enable_reconnect
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--source include/wait_until_connected_again.inc
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--replace_result \\ /
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--error HA_ERR_NO_ENCRYPTION
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SELECT * FROM t1;
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DROP TABLE t1;
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--echo Cleanup
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--remove_file $MYSQLTEST_VARDIR/keys1.txt
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