Lambda expressions in SQL - Mailing list pgsql-sql

From KÖPFERL Robert
Subject Lambda expressions in SQL
Date
Msg-id ED4E30DD9C43D5118DFB00508BBBA76EB16622@neptun.sonorys.at
Whole thread Raw
List pgsql-sql
Coming from functional programming, I often wish to write something like
that:

(LAMDA "expesiveFcn"(x y z) as exfcnupdate "Tbl5" SET "Column" = exfcn
)

In this case "expensiveFcn" is VOLATILE...


Is there a way?

At least: substituting the lambda by a select doesn't work with update as
subquery


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