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Code Activity

MDEV-19940 Clean up INFORMATION_SCHEMA.INNODB_ tables

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Shorten some VARCHAR attributes to a more reasonable length.

INNODB_METRICS: Rename the column STATUS to ENABLED, and make it Boolean.

Replace with INT(1) many Boolean attributes that were declared as VARCHAR
containing 'NO','YES','disabled','enabled','Uninitialized','Initialized'.

Replace some VARCHAR attributes with ENUM.

Replace some BIGINT with INT when 32 bits are sufficient.

Remove INNODB_SYS_TABLESPACES.SPACE_TYPE. The type of a tablespace
can be derived from the tablespace ID. A fixed number is used for
the system tablespace and the temporary tablespace. All other tablespaces
are single-table or single-partition tablespaces.

i_s_locks_row_t::lock_type, lock_get_type_str(): Remove.
This is a redundant field. Table and record locks can be
distinguished by whether i_s_locks_row_t::lock_index is NULL.

fill_trx_row(): Do not unnecessarily copy the constant strings that
trx->op_info is pointing to.

i_s_locks_row_t::lock_mode: Replace string with integer.

lock_get_mode_str(), lock_get_trx_id(), lock_get_trx(): Remove.

field_store_ulint(): Remove.
This commit is contained in:
Marko Mäkelä
2019-06-28 11:20:46 +03:00
parent d8b8f55af3
commit d09aec7a15
44 changed files with 1416 additions and 1640 deletions
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20
mysql-test/suite/innodb_i_s/innodb_buffer_page.result
View File

@@ -1,24 +1,24 @@
SHOW CREATE TABLE INFORMATION_SCHEMA.INNODB_BUFFER_PAGE;
Table Create Table
INNODB_BUFFER_PAGE CREATE TEMPORARY TABLE `INNODB_BUFFER_PAGE` (
`POOL_ID` bigint(21) unsigned NOT NULL DEFAULT 0,
`POOL_ID` int(11) unsigned NOT NULL DEFAULT 0,
`BLOCK_ID` bigint(21) unsigned NOT NULL DEFAULT 0,
`SPACE` bigint(21) unsigned NOT NULL DEFAULT 0,
`PAGE_NUMBER` bigint(21) unsigned NOT NULL DEFAULT 0,
`SPACE` int(11) unsigned NOT NULL DEFAULT 0,
`PAGE_NUMBER` int(11) unsigned NOT NULL DEFAULT 0,
`PAGE_TYPE` varchar(64) DEFAULT NULL,
`FLUSH_TYPE` bigint(21) unsigned NOT NULL DEFAULT 0,
`FIX_COUNT` bigint(21) unsigned NOT NULL DEFAULT 0,
`IS_HASHED` varchar(3) DEFAULT NULL,
`FLUSH_TYPE` int(11) unsigned NOT NULL DEFAULT 0,
`FIX_COUNT` int(11) unsigned NOT NULL DEFAULT 0,
`IS_HASHED` int(1) NOT NULL DEFAULT 0,
`NEWEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT 0,
`OLDEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT 0,
`ACCESS_TIME` bigint(21) unsigned NOT NULL DEFAULT 0,
`TABLE_NAME` varchar(1024) DEFAULT NULL,
`INDEX_NAME` varchar(1024) DEFAULT NULL,
`INDEX_NAME` varchar(64) DEFAULT NULL,
`NUMBER_RECORDS` bigint(21) unsigned NOT NULL DEFAULT 0,
`DATA_SIZE` bigint(21) unsigned NOT NULL DEFAULT 0,
`COMPRESSED_SIZE` bigint(21) unsigned NOT NULL DEFAULT 0,
`PAGE_STATE` varchar(64) DEFAULT NULL,
`IO_FIX` enum('IO_NONE','IO_READ','IO_WRITE','IO_PIN') DEFAULT NULL,
`IS_OLD` varchar(3) DEFAULT NULL,
`PAGE_STATE` enum('NOT_USED','READY_FOR_USE','FILE_PAGE','MEMORY','REMOVE_HASH') NOT NULL DEFAULT '',
`IO_FIX` enum('IO_NONE','IO_READ','IO_WRITE','IO_PIN') NOT NULL DEFAULT '',
`IS_OLD` int(1) NOT NULL DEFAULT 0,
`FREE_PAGE_CLOCK` bigint(21) unsigned NOT NULL DEFAULT 0
) ENGINE=MEMORY DEFAULT CHARSET=utf8