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https://dev.mysql.com/doc/internals/en/implementing-info-method.html
Prior to commencing a table scan, the [custom-engine.html#custom-engine-api-reference-info info()] method is called to provide extra table information to the optimizer. The information required by the optimizer is not given through return values ...
https://dev.mysql.com/doc/internals/en/implementing-store-lock-method.html
The [custom-engine.html#custom-engine-api-reference-store_lock store_lock()] method is called before any reading or writing is performed. Before adding the lock into the table lock handler mysqld calls store lock with the requested locks. Store ...
https://dev.mysql.com/doc/internals/en/load-data-infile-events.html
If for some reason there is an error, we must tell the slave to abort the load. LOAD DATA INFILE is not written to the binary log like other statements. It is written as one or more events in a packed format, not as a cleartext statement in the ...
https://dev.mysql.com/doc/internals/en/myisam-column-attributes.html
(If they don't fit, that's an error in strict mode.) Trailing spaces are not significant in comparisons ... Next I'll describe the physical attributes of each column in a row. The format depends entirely on the data type and the size of the column, ...
https://dev.mysql.com/doc/internals/en/mysql-server.html
Mysql-5.5 /sql/sql_prepare.cc:2732 mysqld_stmt_reset Reset a prepared statement in case there was a recoverable error. dispatch_command Mysql-5.5 sql/sql_parse.cc:869 mysql_binlog_send Mysql-5.5 sql/sql_repl.cc:436 Mysql-5.6 sql/rpl_master.cc ...
https://dev.mysql.com/doc/internals/en/mysql-test-directory.html
The directory has a README file which explains how to run the tests, how to make new tests (in files with the filename extension *.test), and how to report errors. Primarily these are SQL scripts which try out a feature, output a result, and compare ...
https://dev.mysql.com/doc/internals/en/perfect-cleanup.html
Cleaning up becomes much more comfortable and less error prone if you create your "own" database and create all tables there. At the end of the test, you need to drop just this database. Do not forget to remove all users you created and all ...
https://dev.mysql.com/doc/internals/en/query-event.html
Post-header 4 slave_proxy_id 4 execution time 1 schema length 2 error-code if binlog-version ≥ 4: 2 status-vars length Payload string[$len] status-vars string[$len] schema 1 [00] string[EOF] query Fields status_vars_length (2) -- number of bytes ... Binlog::QUERY_EVENT: The query event is used to send text querys right the ...
https://dev.mysql.com/doc/internals/en/replication-source-code-files.html
rpl_reporting.h/.cc Utilities for reporting replication conditions and reporting errors, warnings, and informational messages on the slave. Status of this section: up to date 2009-12-16 Files in the sql directory: File Description slave.h/.cc ...
https://dev.mysql.com/doc/internals/en/rule-exceptions.html
Prerequisites checks Section 26.3.1, “Error Masking” Section 26.3.2, “Use of the Option --disable_abort_on_error” Section 26.3.3, “Perfect Cleanup at the End of a Test” Section 26.3.4, “Use of OS-Specific Commands” .