May 2017
Beginner
416 pages
10h 37m
English
Content preview from Mastering PostgreSQL 9.6
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Improving stored procedure performance
So far, you have seen how to write basic stored procedures as well as triggers in various languages. Of course, there are many more languages supported. Some of the most prominent ones are PL/R (R is a powerful statistics package) and PL/v8 (which is based on the Google JavaScript engine). However, those languages are beyond the scope of this chapter (regardless of their usefulness).
In this section, we will focus on improving the performance of a stored procedure. There are a couple of areas in which we can speed up processing:
- Reduce the number of calls
- Use cached plans
- Give hints to the optimizer
In this chapter, all three main areas will be discussed.
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