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https://dev.mysql.com/doc/internals/en/binary-protocol-resultset-row.html
A Binary Protocol Resultset Row is made up of the NULL bitmap containing as many bits as we have columns in the resultset + 2 and the values for columns that are not NULL in the Binary Protocol Value format. ProtocolBinary::ResultsetRow: row of a ...
https://dev.mysql.com/doc/internals/en/com-stmt-execute.html
The flags are: Flags Constant Name 0x00 CURSOR_TYPE_NO_CURSOR 0x01 CURSOR_TYPE_READ_ONLY 0x02 CURSOR_TYPE_FOR_UPDATE 0x04 CURSOR_TYPE_SCROLLABLE NULL-bitmap is like NULL-bitmap for the Binary Protocol Resultset Row just that it has a bit-offset of 0. COM_STMT_EXECUTE asks the server to execute a prepared statement as identified by ...
https://dev.mysql.com/doc/internals/en/guided-tour-skeleton.html
It would be tempting to follow those functions, but those are side paths. Graphic: A Chunk of MyISAM File CREATE TABLE Table1 ( column1 CHAR(1), column2 CHAR(1), column3 CHAR(1)); INSERT INTO Table1 VALUES ('a', 'b', 'c'); INSERT INTO Table1 VALUES ... And now we're going to walk through something harder, namely the ...
https://dev.mysql.com/doc/internals/en/starting-transaction-from-external-lock-method.html
MySQL calls [custom-engine.html#custom-engine-api-reference-external_lock handler::external_lock()] for every table it is going to use at the beginning of every statement. Thus, if a table is touched for the first time, it implicitly starts a ...
https://dev.mysql.com/doc/internals/en/table-map-event.html
The first event used in Row Based Replication declares how a table that is about to be changed is defined. TABLE_MAP_EVENT: The TABLE_MAP_EVENT defines the structure if the tables that are about to be changed. It is sent as length encoded string ...
https://dev.mysql.com/doc/internals/en/transformations-all-any.html
But before above transformation ability of independent ALL/ANY/SOME optimization will be checked (query is independent, operation is one of <, =<, >, >=, returning correct NULL have no sense (top level of WHERE clause) and it is not row subquery).
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-annotation-column.html
4.3.2.1.1 Synopsis @Target(value={java.lang.annotation.ElementType.FIELD, java.lang.annotation.ElementType.METHOD}) @Retention(value=java.lang.annotation.RetentionPolicy.RUNTIME) public @interface Column { public String name ; public String ...Table ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-session.html
Session extends AutoCloseable so it can be used in the try-with-resources pattern. This pattern allows the application to create a session in the try declaration and regardless of the outcome of the try/catch/finally block, clusterj will clean up ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-constraint-violation.html
The following list enumerates all NDB errors of type CV (Constraint violation).
https://dev.mysql.com/doc/heatwave/en/mys-hw-async-apptask-list.html
If the value is NULL, tasks of all types are listed. If the value is NULL, the offset defaults to 0, and the result is displayed starting from the first row. If the value is NULL, the limit defaults to 20, and up to 20 rows are displayed. The ...