public class CreateTables<DestinationT,ElementT> extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<TableDestination,ElementT>>>
DoFn
, and returns the original collection unchanged.Constructor and Description |
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CreateTables(BigQueryIO.Write.CreateDisposition createDisposition,
DynamicDestinations<?,DestinationT> dynamicDestinations) |
Modifier and Type | Method and Description |
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org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<TableDestination,ElementT>> |
expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>> input) |
public CreateTables(BigQueryIO.Write.CreateDisposition createDisposition, DynamicDestinations<?,DestinationT> dynamicDestinations)
public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<TableDestination,ElementT>> expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>> input)
expand
in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<DestinationT,ElementT>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<TableDestination,ElementT>>>