.Q.vp

In partitioned DBs, returns a dictionary of table schemas for tables with missing partitions, as populated by .Q.bv. (Since V3.0 2012.01.26.)

q)n:100
q)t:([]time:.z.T+til n;sym:n?`2;num:n)
q).Q.dpft[`:.;;`sym;`t]each 2010.01.01+til 5
`t`t`t`t`t
q)tt:t
q).Q.dpft[`:.;;`sym;`tt]last 2010.01.01+til 5
`tt
q)\l .
q)tt
+`sym`time`num!`tt
q)@[get;"select from tt";-2@]; / error
./2010.01.01/tt/sym: No such file or directory
q).Q.bv[]
q).Q.vp
tt| +`date`sym`time`num!(`date$();`sym$();`time$();`long$())
q)@[get;"select from tt";-2@]; / no error