| 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: df <- createDataFrame(list(list(a="abcdef"))) collect(select(df, substr(df$a, 1, 4))) # the result is `abcd`. collect(select(df, substr(df$a, 2, 4))) # the result is `bcd`. ## End(Not run)