Writing PostGIS raster Map Algebra Callback Functions in PLV8 - Postgres OnLine Journal
I've read from many that PL/V8 mathematic operations are generally faster than what you get with SQL functions and PL/pgsql functions. One area where I thought this speed would be really useful was for writing Map Algebra call-back functions. A PostGIS 2.1+ map algebra callback function signature looks like: func_name(double precision[][][] value, integer[][] pos, text[] VARIADIC userargs) So for
plv8: A procedural language in JavaScript powered by V8 / PostgreSQL Extension Network
This Release plv8 3.2.2 Date 2024-01-21 Status Stable Other Releases Abstract A procedural language in JavaScript powered by V8 Description plv8 is a trusted procedural language that is safe to use, fast to run and easy to develop. Released By jerrysv License PostgreSQL Resources www git repo bugs Special Files Changes README.md META.json Makefile Tags PL JavaScript v8 plv8 Documentation EXTERNAL
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https://www.hagander.net/talks/postgrenosql.pdf
Contar números primos con plv8- JavaScript dentro de PostgreSQL | Grupo de Usuarios de PostgreSQL en México
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