| substr {SparkR} | R Documentation |
An expression that returns a substring.
## S4 method for signature 'Column' substr(x, start, stop)
x |
a Column. |
start |
starting position. It should be 1-base. |
stop |
ending position. |
substr since 1.4.0
Other colum_func:
alias(),
between(),
cast(),
endsWith(),
otherwise(),
over(),
startsWith()
## Not run:
##D df <- createDataFrame(list(list(a="abcdef")))
##D collect(select(df, substr(df$a, 1, 4))) # the result is `abcd`.
##D collect(select(df, substr(df$a, 2, 4))) # the result is `bcd`.
## End(Not run)