Constraint and tupleDomain

[51yu]

how to provide tuple doman when make api call to data source, any suggestion ?
Seems like connectorLayout/handler is going to be deprecated ...

https://github.com/prestosql/presto/blob/master/presto-spi/src/main/java/io/prestosql/spi/connector/ConnectorTableLayout.java#L31

https://github.com/prestosql/presto/blob/master/presto-spi/src/main/java/io/prestosql/spi/connector/ConnectorSplitManager.java#L19
^^ and further, no layout when provide split in the future ?

[Praveen2112]

hi, we can provide the TupleDomain to the datasource using the ConnectorTableHandle and now any filter expression will be passed to the connector using ConnectorMetadata#applyFilter which will be invoked from PushPredicateIntoTableScan

[51yu]

Thanks @Praveen2112 .
That would be great if we have a sample connector which use
ConnectorMetadata#applyFilter instead of layout for us app developer
Look through existing connectors in repo, still relies on table layout for predicate purpose

[Praveen2112]

@L0YU It is currently implemented in JDBC connector and TPCH connector (For Hive it is not yet merged). You can check the implementation from there. For other connectors we are migrating to this model. #781 keeps track of connectors which have migrated to the new model.

[51yu]

@Praveen2112 That's awesome !