MySQL :: MySQL Internals Manual :: 13.3 SIMPLE or PRIMARY SELECT

Skip navigation links

MySQL Internals Manual :: 13 How MySQL Performs Different Selects :: 13.3 SIMPLE or PRIMARY SELECT

« 13.2 select_resultClass

13.4 Structure Of Complex Select »

Section Navigation [Toggle]

13.3. `SIMPLE` or `PRIMARY SELECT`

For performing single primary select, SELECT uses the mysql_select function, which does:

allocate JOIN
JOIN::prepare
JOIN::optimize
JOIN::exec
JOIN::cleanup

In previous versions of MySQL, all SELECT operations were performed with the help of this function and mysql_select() was not divided into parts.

Top / Previous / Next / Up / Table of Contents

© 2013, Oracle Corporation and/or its affiliates