74 lines
1.8 KiB
Plaintext
74 lines
1.8 KiB
Plaintext
select @@global.innodb_log_compressed_pages into @save_innodb_log_compressed_pages;
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SET @@global.innodb_log_compressed_pages=1;
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SET GLOBAL innodb_cmp_per_index_enabled=ON;
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SELECT * FROM information_schema.innodb_cmp_per_index;
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CREATE TABLE t (
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a INT,
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b VARCHAR(512),
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c VARCHAR(16),
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PRIMARY KEY (a),
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INDEX (b(512)),
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INDEX (c(16))
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) charset latin1 ENGINE=INNODB KEY_BLOCK_SIZE=2;
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SELECT
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database_name,
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table_name,
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index_name,
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compress_ops,
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compress_ops_ok,
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uncompress_ops
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FROM information_schema.innodb_cmp_per_index
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ORDER BY 1, 2, 3;
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database_name test
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table_name t
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index_name b
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compress_ops 1
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compress_ops_ok 1
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uncompress_ops 0
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database_name test
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table_name t
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index_name c
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compress_ops 1
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compress_ops_ok 1
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uncompress_ops 0
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database_name test
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table_name t
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index_name PRIMARY
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compress_ops 1
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compress_ops_ok 1
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uncompress_ops 0
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BEGIN;
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COMMIT;
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ALTER TABLE t DROP INDEX c;
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CREATE USER 'tuser01'@'localhost' IDENTIFIED BY 'cDJvI9s_Uq';
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FLUSH PRIVILEGES;
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SELECT * FROM information_schema.innodb_cmp_per_index;
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ERROR 42000: Access denied; you need (at least one of) the PROCESS privilege(s) for this operation
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DROP USER 'tuser01'@'localhost';
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SELECT
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database_name,
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table_name,
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index_name,
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CASE WHEN compress_ops=47 and @@innodb_compression_level IN (4,8,9) THEN 65
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ELSE compress_ops END as compress_ops,
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CASE WHEN compress_ops_ok=47 and @@innodb_compression_level IN (4,8,9) THEN 65
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ELSE compress_ops_ok END as compress_ops_ok,
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uncompress_ops
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FROM information_schema.innodb_cmp_per_index
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ORDER BY 1, 2, 3;
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database_name test
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table_name t
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index_name b
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compress_ops 43
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compress_ops_ok 43
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uncompress_ops 0
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database_name test
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table_name t
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index_name PRIMARY
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compress_ops 80
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compress_ops_ok 80
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uncompress_ops 0
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SET GLOBAL innodb_log_compressed_pages=@save_innodb_log_compressed_pages;
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DROP TABLE t;
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SET GLOBAL innodb_cmp_per_index_enabled=default;
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