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The data type of the column INFORMATION_SCHEMA.GLOBAL_STATUS.VARIABLE_VALUE is a character string. Therefore, if we want to compare some values as integers, we must explicitly cast them to integer type, to avoid an awkward comparison where '10'<'9' because the first digit is smaller.
29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
--source include/have_sequence.inc
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--source include/have_innodb.inc
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--source include/have_file_key_management_plugin.inc
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SELECT CAST(variable_value AS INT) INTO @old_encrypted
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FROM information_schema.global_status
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WHERE variable_name = 'innodb_encryption_n_temp_blocks_encrypted';
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SELECT CAST(variable_value AS INT) INTO @old_decrypted
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FROM information_schema.global_status
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WHERE variable_name = 'innodb_encryption_n_temp_blocks_decrypted';
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CREATE TEMPORARY TABLE t1(f1 CHAR(200), f2 CHAR(200)) ENGINE=InnoDB;
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INSERT INTO t1 (f1,f2) SELECT '', '' FROM seq_1_to_8192;
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CREATE TEMPORARY TABLE t2(f1 CHAR(100), f2 CHAR(200), f3 CHAR(200))ENGINE=InnoDB;
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INSERT INTO t2 (f1,f2,f3) SELECT '', '', '' FROM seq_1_to_8192;
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SELECT COUNT(*) FROM t1;
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SELECT COUNT(*) FROM t2;
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SELECT CAST(variable_value AS INT) > @old_encrypted
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FROM information_schema.global_status
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WHERE variable_name = 'innodb_encryption_n_temp_blocks_encrypted';
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SELECT CAST(variable_value AS INT) > @old_decrypted
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FROM information_schema.global_status
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WHERE variable_name = 'innodb_encryption_n_temp_blocks_decrypted';
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