K
Size: a a a
K
GP
GP
GP
K
K
t
=
RowEncoder(
someSchema)
val row =
encoder.fromRow(
someInternalRow)
t
GP
GP
SI
20/11/10 07:47:44 INFO CoarseGrainedExecutorBackend: eagerFSInit: Eagerly initialized FileSystem at s3://does/not/exist
SI
SI
t
org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.encoders.{ExpressionEncoder, RowEncoder}
org.apache.spark.sql.types.{StructType}
: Dataset[java.lang.Long] =
spark.range(10)
val schema: StructType =
df.schema
val internalRow: InternalRow =
df.queryExecution.
toRdd.first
val encoder: ExpressionEncoder[
Row] =
RowEncoder(
schema)
val result:
Row =
encoder.fromRow(
internalRow)
t
t
GP
org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.encoders.{ExpressionEncoder, RowEncoder}
org.apache.spark.sql.types.{StructType}
: Dataset[java.lang.Long] =
spark.range(10)
val schema: StructType =
df.schema
val internalRow: InternalRow =
df.queryExecution.
toRdd.first
val encoder: ExpressionEncoder[
Row] =
RowEncoder(
schema)
val result:
Row =
encoder.fromRow(
internalRow)
GP
GP
RowEncoder(schema) ~> RowEncoder(schema).resolveAndBind()
GP