Delete data from a database
The database before delete
Frame> printP
0 "John Doe" 0
1 "Jane Doe" 0
2 "Steve Black" 1
3 "Jack Farmer" 2
removeJack =
withDB $ \ db ->
delete db P.farmers (\r-> r!P.farmer_id .==. constant 3)
Frame> removeJack
The database after delete
Frame> printP
0 "John Doe" 0
1 "Jane Doe" 0
2 "Steve Black" 1
if you get an error see
this page
also see insert
What's that P?
Here are all words and functions with references, in alphabetical order
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