Now it exits immediately with an error. Note that this is preparatory work, no effect in 8. The data dictionary is now checked as well, in case tables are not present in memory. To avoid this error, a new system user account, 'mysql. Bug 84798, Bug 25495393 References: See also: Bug 26422857. Guessing this was inspired by the. Other libraries can be used by replacing those library files with alternatives, or by using some other library-selection method supported on Windows.
Performance Schema, Finer grained interfaces — This work by Marc Alff breaks the existing interface psi. This makes it easy to add new functionality. Temporary tablespaces are only permitted in the temporary tablespace. This means that the server will get to know about corrupted indexes during recovery and thus avoid using such indexes for queries. It provides a shared cache for data dictionary objects, it tracks usage of data dictionary objects, and it handles modification of data dictionary objects.
Conceptually, the Information Schema is a view on the meta-data, mostly on meta-data stored in the data dictionary. So you can used it at your own risk. Blomsøy makes it possible to update the X and Y coordinates of existing point geometries. Note that if these statements succeed but have no effect on the master because the condition is not met, the statements are written to the binary log, as the condition might be met on a replication slave see Bug 25813089, Bug 85733. Better storage usage, performance improvement more flexible way to work with unique ids. This file can be found in the sql directory under the build directory. The issue is now fixed.
Note that we have decided to hide the dictionary tables from the end user, they are only accessible as information schema views. In this situation, the missing temporary table was previously assumed to be transactional, leading to the statement being split. Bug 88230, Bug 27028889 References: See also: Bug 19504183. However, there are still a few pieces missing before we can provide it. World's most popular open source database. Thanks to Zhai Weixiang for the patch.
These statements allow modification for multiple users. For more information, see , and. It has been some time in the making, shrouded in a veil of secrecy for over one year. StatementInterceptor interface with the com. So, for the observant users, its main features may not come as a surprise. X Protocol connection attempts now also disallow the connection if an invalid schema is specified. We will gradually shift from the old to the new infrastructure.
The safe statements are now logged in statement-based format, and the unsafe statements are logged in row-based format, according to the normal behavior for mixed format replication, regardless of the presence of temporary tables in the session. So, the server can have built-in upgrade for the data dictionary, but this is yet to be implemented. Thanks to Laurynas Biveinis and Roel van de Paar for the patch. This can create problems in a replication setup as well. Just create a role and you're good to go.
When the Optimizer chooses which access method to use, it can benefit if it knows whether data is stored in memory or has to be read from disk. These options were deprecated in 5. It is now possible to suppress this automatic initialization behavior. Bug 20035304 References: See also: Bug 21922202. The current default of 2 will be hard coded in the future. If an upgrade is not necessary, startup continues without updating the data dictionary tables. Performance Schema Indexes — This work by Chris Powers speeds up performance schema queries by adding more than 100 indexes on performance schema tables.
It is developed by Severalnines. Now it prints more specific messages about which memory allocation failed. User access to meta data is supported by the Information Schema. As of today, we offer 18. Thanks to Daniël van Eeden for the patch.