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MDEV-5800 InnoDB support for indexed vcols
* remove old 5.2+ InnoDB support for virtual columns * enable corresponding parts of the innodb-5.7 sources * copy corresponding test cases from 5.7 * copy detailed Alter_inplace_info::HA_ALTER_FLAGS flags from 5.7 - and more detailed detection of changes in fill_alter_inplace_info() * more "innodb compatibility hooks" in sql_class.cc to - create/destroy/reset a THD (used by background purge threads) - find a prelocked table by name - open a table (from a background purge thread) * different from 5.7: - new service thread "thd_destructor_proxy" to make sure all THDs are destroyed at the correct point in time during the server shutdown - proper opening/closing of tables for vcol evaluations in + FK checks (use already opened prelocked tables) + purge threads (open the table, MDLock it, add it to tdc, close when not needed) - cache open tables in vc_templ - avoid unnecessary allocations, reuse table->record[0] and table->s->default_values - not needed in 5.7, because it overcalculates: + tell the server to calculate vcols for an on-going inline ADD INDEX + calculate vcols for correct error messages * update other engines (mroonga/tokudb) accordingly
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@@ -14,17 +14,17 @@ innodb_file_per_table ON
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drop database if exists mysqltest;
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create database mysqltest;
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CREATE TABLE mysqltest.transtable (id int unsigned NOT NULL PRIMARY KEY, val int DEFAULT 0) ENGINE=InnoDB;
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select count(*) from information_schema.processlist;
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select count(*) from information_schema.processlist where command != 'Daemon';
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count(*)
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33
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connection default;
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CREATE TABLE mysqltest.testtable (id int unsigned not null primary key) ENGINE=InnoDB;
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ERROR HY000: Can't create table `mysqltest`.`testtable` (errno: 177 "Too many active concurrent transactions")
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select count(*) from information_schema.processlist;
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select count(*) from information_schema.processlist where command != 'Daemon';
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count(*)
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33
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connection default;
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select count(*) from information_schema.processlist;
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select count(*) from information_schema.processlist where command != 'Daemon';
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count(*)
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33
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drop database mysqltest;
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