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MDEV-15058: Revert the changes to INFORMATION_SCHEMA

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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.
This commit is contained in:
Marko Mäkelä
2020-02-12 20:54:59 +02:00
parent f0606a7530
commit 20a7f75fbf
10 changed files with 118 additions and 101 deletions
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mysql-test/suite/innodb_i_s/innodb_buffer_pool_stats.result
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@@ -1,6 +1,7 @@
SHOW CREATE TABLE INFORMATION_SCHEMA.INNODB_BUFFER_POOL_STATS;
Table Create Table
INNODB_BUFFER_POOL_STATS CREATE TEMPORARY TABLE `INNODB_BUFFER_POOL_STATS` (
`POOL_ID` int(11) unsigned NOT NULL DEFAULT 0,
`POOL_SIZE` bigint(21) unsigned NOT NULL DEFAULT 0,
`FREE_BUFFERS` bigint(21) unsigned NOT NULL DEFAULT 0,
`DATABASE_PAGES` bigint(21) unsigned NOT NULL DEFAULT 0,