On Sun, Apr 30, 2017 at 5:54 PM, Tomas Vondra
<tomas.von...@2ndquadrant.com> wrote:
> But I keep running into people who face serious performance issues exactly
> because not realizing this, and using CTEs as named subqueries. And when I
> tell them "optimization fence" they react "Whaaaaaaat?"
> If I had to make up some numbers, I'd say the "Whaaaaat?" group is about 10x
> the group of people who intentionally rely on CTEs being optimization
> fences.


Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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