nim-ladybug/tests/queries/t_knows_if_there_are_waiting_tuples.nim

25 lines
573 B
Nim
Raw Normal View History

# vim: set et sta sw=4 ts=4 :
import kuzu
let db = newKuzuDatabase()
let conn = db.connect
var q = conn.query( "CREATE NODE TABLE Doop ( id SERIAL, thing STRING, PRIMARY KEY(id) )" )
assert typeOf( q ) is KuzuQueryResult
q = conn.query( "MATCH (d:Doop) RETURN d.thing" )
assert q.num_tuples == 0
assert q.hasNext == false
q = conn.query( "CREATE (d:Doop {thing: 'okay!'})" )
q = conn.query( "MATCH (d:Doop) RETURN d.thing" )
assert q.num_tuples == 1
assert q.hasNext == true
discard $q # consume the tuple result
assert q.num_tuples == 1
assert q.hasNext == false