impala_unnest {implyr} | R Documentation |
Unnest a complex column in an Impala table
Description
impala_unnest()
unnests a
column of type ARRAY
, MAP
, or STRUCT
in a tbl_impala
. These column types are referred to
as complex or nested types.
Usage
impala_unnest(data, col, ...)
Arguments
data |
an object with class |
col |
the unquoted name of an |
... |
ignored (included for compatibility) |
Details
impala_unnest()
currently can unnest only
one column, can only be applied once to a tbl_impala
,
and must be applied to a tbl_impala
representing an
Impala table or view before applying any other operations.
Value
an object with class tbl_impala
with the
complex column unnested into two or more separate columns
See Also
[Package implyr version 0.5.0 Index]