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143f5d9172
Merged 615dd07d90 from https://github.com/facebook/mysql-5.6/
authored by rongrong. Removed C++11 requirement by using
std::map instead of std::unordered_set.
Add analysis to leaf pages to estimate how fragmented an index is
and how much benefit we can get out of defragmentation.
22 lines
952 B
Text
22 lines
952 B
Text
# Create and populate a table
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CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY, b TEXT) ENGINE=InnoDB;
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INSERT INTO t1 (b) VALUES ('corrupt me');
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INSERT INTO t1 (b) VALUES ('corrupt me');
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CREATE TABLE t2 (a INT AUTO_INCREMENT PRIMARY KEY, b TEXT)
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ROW_FORMAT=COMPRESSED ENGINE=InnoDB ;
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INSERT INTO t2(b) SELECT b from t1;
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CREATE TABLE t3 (a INT AUTO_INCREMENT PRIMARY KEY, b TEXT)
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ROW_FORMAT=COMPRESSED ENGINE=InnoDB KEY_BLOCK_SIZE=16;
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INSERT INTO t3(b) SELECT b from t1;
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# Write file to make mysql-test-run.pl expect the "crash", but don't
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# start it until it's told to
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# We give 30 seconds to do a clean shutdown because we do not want
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# to redo apply the pages of t1.ibd at the time of recovery.
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# We want SQL to initiate the first access to t1.ibd.
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# Wait until disconnected.
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# Run innochecksum on t1
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# Run innochecksum on t2
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# Run innochecksum on t3
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# Write file to make mysql-test-run.pl start up the server again
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# Cleanup
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DROP TABLE t1, t2, t3;
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