sdf_schema
From sparklyr v0.6.3
by Javier Luraschi
Read the Schema of a Spark DataFrame
Read the schema of a Spark DataFrame.
Usage
sdf_schema(x)Arguments
- x
An object coercable to a Spark DataFrame (typically, a
tbl_spark).
Details
The type column returned gives the string representation of the
underlying Spark type for that column; for example, a vector of numeric
values would be returned with the type "DoubleType". Please see the
Spark Scala API Documentation
for information on what types are available and exposed by Spark.
Value
An R list, with each list element describing the
name and type of a column.
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