  We present a search for eclipses of $\sim$1700 white dwarfs in the
Pan-STARRS1 medium-deep fields. Candidate eclipse events are selected by
identifying low outliers in over 4.3 million light curve measurements. We find
no short-duration eclipses consistent with being caused by a planetary size
companion. This large dataset enables us to place strong constraints on the
close-in planet occurrence rates around white dwarfs for planets as small as 2
R$_\oplus$. Our results indicate that gas giant planets orbiting just outside
the Roche limit are rare, occurring around less than 0.5% of white dwarfs.
Habitable-zone super-Earths and hot super-Earths are less abundant than similar
classes of planets around main-sequence stars. These constraints give important
insight into the ultimate fate of the large population of exoplanets orbiting
main sequence stars.
