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20a7f75fbf
For compatibility with diagnostic software, let us
return a dummy buffer pool identifier 0 and restore
the columns that were initially deleted in
commit 1a6f708ec5:
information_schema.innodb_buffer_page.pool_id
information_schema.innodb_buffer_page_lru.pool_id
information_schema.innodb_buffer_pool_stats.pool_id
information_schema.innodb_cmpmem.buffer_pool_instance
information_schema.innodb_cmpmem_reset.buffer_pool_instance
Thanks to Vladislav Vaintroub for pointing this out.
29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
SHOW CREATE TABLE INFORMATION_SCHEMA.INNODB_BUFFER_PAGE;
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Table Create Table
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INNODB_BUFFER_PAGE CREATE TEMPORARY TABLE `INNODB_BUFFER_PAGE` (
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`POOL_ID` int(11) unsigned NOT NULL DEFAULT 0,
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`BLOCK_ID` bigint(21) unsigned NOT NULL DEFAULT 0,
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`SPACE` int(11) unsigned NOT NULL DEFAULT 0,
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`PAGE_NUMBER` int(11) unsigned NOT NULL DEFAULT 0,
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`PAGE_TYPE` varchar(64) DEFAULT NULL,
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`FLUSH_TYPE` int(11) unsigned NOT NULL DEFAULT 0,
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`FIX_COUNT` int(11) unsigned NOT NULL DEFAULT 0,
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`IS_HASHED` int(1) NOT NULL DEFAULT 0,
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`NEWEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT 0,
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`OLDEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT 0,
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`ACCESS_TIME` bigint(21) unsigned NOT NULL DEFAULT 0,
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`TABLE_NAME` varchar(1024) DEFAULT NULL,
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`INDEX_NAME` varchar(64) DEFAULT NULL,
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`NUMBER_RECORDS` bigint(21) unsigned NOT NULL DEFAULT 0,
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`DATA_SIZE` bigint(21) unsigned NOT NULL DEFAULT 0,
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`COMPRESSED_SIZE` bigint(21) unsigned NOT NULL DEFAULT 0,
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`PAGE_STATE` enum('NOT_USED','READY_FOR_USE','FILE_PAGE','MEMORY','REMOVE_HASH') NOT NULL,
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`IO_FIX` enum('IO_NONE','IO_READ','IO_WRITE','IO_PIN') NOT NULL,
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`IS_OLD` int(1) NOT NULL DEFAULT 0,
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`FREE_PAGE_CLOCK` bigint(21) unsigned NOT NULL DEFAULT 0
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) ENGINE=MEMORY DEFAULT CHARSET=utf8
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CREATE TEMPORARY TABLE t1 LIKE INFORMATION_SCHEMA.INNODB_BUFFER_PAGE;
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DROP TEMPORARY TABLE t1;
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CREATE TEMPORARY TABLE t1 AS SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE LIMIT 0;
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DROP TEMPORARY TABLE t1;
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