From server to client after command, if no error and result set -- that is, if the command was a query which returned a result set.
The Result Set Header Packet is the first of several, possibly many, packets that the server sends for result sets. The order of packets for a result set is:
The "extra" field is optional and never appears for ordinary result sets.
Alternative terms: a Result Set Packet is also called "a result packet for a command returning rows" or "a field description packet".
In the example, we se what the packet would contain after "SELECT * FROM t7" if table t7 has 3 columns.
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A Guided Tour Of The Mysql Source Code
Important Algorithms And Structures
How Mysql Performs Different Selects
How Mysql Transforms Subqueries
Mysql Client/server Protocol
Prepared Statements And Stored Routines
Myisam Storage Engine
Innodb Storage Engine
Writing A Custom Storage Engine
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