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https://dev.mysql.com/doc/connector-net/en/connector-net-ref-entityframework.html
BackoffAlgorithmErr1040 Backoff algorithm customized for the MySQL error code 1040 - Too many connections. Classes Class Description BackoffAlgorithm Represents the base class for backoff algorithms. BackoffAlgorithmErr1205 Backoff algorithm ...
https://dev.mysql.com/doc/connector-python/en/connector-python-api-errors-operationalerror.html
For example: too many connections; a host name could not be resolved; bad handshake; server is shutting down, communication errors. This exception is raised for errors which are related to MySQL's operations.
https://dev.mysql.com/doc/internals/en/backup-breakpoint.html
open_tables(...) BACKUP_BREAKPOINT("bp_after_open_tables"); lock_tables(...) The BACKUP_BREAKPOINT macro consists basically of: DBUG_EXECUTE_IF("backup_debug", DBUG_SYNC_POINT((S), 300)) Opportunities and downsides of the DBUG_SYNC_POINT method ...
https://dev.mysql.com/doc/internals/en/compression.html
It is enabled if the server announces CLIENT_COMPRESS in its Protocol::Handshake and the client requests it too in its Protocol::HandshakeResponse packet and after the server finishes Connection Phase, with a OK_Packet. Compression is its own ...
https://dev.mysql.com/doc/internals/en/examples-of-suspicious-tests.html
Section 26.8.1, “Probably Mismatch of Focus of Test and Code Sequence” Section 26.8.2, “Too Greedy Test” Section 26.8.3, “Risky Handling Around Additional Sessions” .
https://dev.mysql.com/doc/internals/en/general-trace-structure.html
Calls to the range optimizer, cost evaluations, reasons why an access path is chosen over another one, or why a sorting method is chosen over another one, are shown too. A trace follows closely the actual execution path: there is a join-preparation ...
https://dev.mysql.com/doc/internals/en/limitations.html
While the overall exchange of data is free-form there are limitations in the initial handshake of the amount of data that can be exchanged: the auth_plugin_data field in Initial Handshake Packet can only carry 255 bytes max (see ...
https://dev.mysql.com/doc/internals/en/optimizer-eliminating-dead-code.html
The optimizer will not detect all Impossible WHERE situations — there are too many possibilities in this regard. A transformation takes place for conditions that are always true, for example: WHERE 0=0 AND column1='y' In this case, the first ...
https://dev.mysql.com/doc/internals/en/optimizer-range-join-type.html
The optimizer may change a Range to an ALL join type if a condition would examine too many index keys. Some conditions can work with indexes, but over a (possibly wide) range of keys. The optimizer will use an index (range search) for column1 LIKE ...
https://dev.mysql.com/doc/internals/en/required-server-code-patches.html
The build system is not too clever about creating these symlinks for files added after the first compile ... Currently procedures can only be compiled into the server staticly. There is no dynamic procedure for loading them dynamicly yet like we ...