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e467e8d8c2
fil_page_compress_low returns 0 for both innodb_compression_algorithm=0 and where there is compression errors. On the two callers to this function, don't increment the compression errors if the algorithm was none. Reviewed by: Marko Mäkelä
18 lines
806 B
Text
18 lines
806 B
Text
#
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# MDEV-30825 innodb_compression_algorithm=0 (none) increments Innodb_num_pages_page_compression_error
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#
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SET @save_compression_algorithm=@@GLOBAL.innodb_compression_algorithm;
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SET GLOBAL innodb_compression_algorithm=0;
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SELECT VARIABLE_VALUE INTO @compress_errors FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'Innodb_num_pages_page_compression_error';
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CREATE TABLE t (c INT) page_compressed=1 page_compression_level=4 ENGINE=InnoDB;
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INSERT INTO t VALUES (1);
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FLUSH TABLES t FOR EXPORT;
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UNLOCK TABLES;
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SELECT VARIABLE_VALUE - @compress_errors AS NUMBER_OF_ERRORS FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'Innodb_num_pages_page_compression_error';
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NUMBER_OF_ERRORS
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0
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DROP TABLE t;
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SET GLOBAL innodb_compression_algorithm=@save_compression_algorithm;
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#
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# End of 10.4 tests
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#
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