pq-src is used at run time in 14 crates (of which 4 optionally). It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps) pq-src version
469K 450 diesel optional ^0.3
301K 5 pq-sys optional >=0.2, <0.4
1.6K 2 gdal-src optional ^0.3.6