org.apache.pulsar.sql.presto

Interface PulsarRowDecoderFactory

All Known Implementing Classes:

PulsarAvroRowDecoderFactory, PulsarJsonRowDecoderFactory, PulsarPrimitiveRowDecoderFactory, PulsarProtobufNativeRowDecoderFactory

public interface PulsarRowDecoderFactory

Pulsar customized RowDecoderFactory interface.

Method Summary

Modifier and Type	Method and Description
PulsarRowDecoder	createRowDecoder(TopicName topicName, org.apache.pulsar.common.schema.SchemaInfo schemaInfo, Set<io.prestosql.decoder.DecoderColumnHandle> columns) createRowDecoder RowDecoder by pulsar SchemaInfo and column DecoderColumnHandles.
List<io.prestosql.spi.connector.ColumnMetadata>	extractColumnMetadata(TopicName topicName, org.apache.pulsar.common.schema.SchemaInfo schemaInfo, PulsarColumnHandle.HandleKeyValueType handleKeyValueType) extract ColumnMetadata from pulsar SchemaInfo and HandleKeyValueType.

Method Detail

extractColumnMetadata

List<io.prestosql.spi.connector.ColumnMetadata> extractColumnMetadata(TopicName topicName,
                                                                      org.apache.pulsar.common.schema.SchemaInfo schemaInfo,
                                                                      PulsarColumnHandle.HandleKeyValueType handleKeyValueType)

extract ColumnMetadata from pulsar SchemaInfo and HandleKeyValueType.

Parameters:

schemaInfo -

handleKeyValueType -

Returns:

createRowDecoder

PulsarRowDecoder createRowDecoder(TopicName topicName,
                                  org.apache.pulsar.common.schema.SchemaInfo schemaInfo,
                                  Set<io.prestosql.decoder.DecoderColumnHandle> columns)

createRowDecoder RowDecoder by pulsar SchemaInfo and column DecoderColumnHandles.

Parameters:

schemaInfo -

columns -

Returns: