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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.
47 lines
1.5 KiB
Text
47 lines
1.5 KiB
Text
--echo #
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--echo # BUG#41330 - Myisam table open count set to zero before index blocks are written.
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--echo #
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--source include/not_embedded.inc
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--echo # Don't test this under valgrind, memory leaks will occur
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--source include/not_valgrind.inc
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--echo # Binary must be compiled with debug for crash to occur
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--source include/have_debug.inc
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call mtr.add_suppression("Got an error from thread_id=.*ha_myisam.cc:");
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call mtr.add_suppression("MySQL thread id .*, query id .* localhost.*root Checking table");
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flush tables;
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# Avoid CrashReporter popup on Mac
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--source include/not_crashrep.inc
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let $MYSQLD_DATADIR= `select @@datadir`;
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SET GLOBAL delay_key_write=ALL;
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CREATE TABLE t1(a INT,
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b INT,
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PRIMARY KEY(a , b),
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KEY(b)) ENGINE=MyISAM DELAY_KEY_WRITE = 1;
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INSERT INTO t1 VALUES (1,2),(2,3),(3,4),(4,5),(5,6);
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--echo # Setup the mysqld to crash at certain point
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SET SESSION debug_dbug="d,crash_before_flush_keys";
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--echo # Write file to make mysql-test-run.pl expect crash
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--write_line wait $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--echo # Run the crashing query
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--error 2013
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FLUSH TABLE t1;
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--echo # Write file to make mysql-test-run.pl start the server
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--write_line restart $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
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--echo # Turn on reconnect
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--enable_reconnect
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--echo # Call script that will poll the server waiting for
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--echo # it to be back online again
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--source include/wait_until_connected_again.inc
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# Must report that the table wasn't closed properly
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CHECK TABLE t1;
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DROP TABLE t1;
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