Package org.apache.datafusion.proto

Class SchemaConverter

java.lang.Object

org.apache.datafusion.proto.SchemaConverter

public final class SchemaConverter
extends Object

Convert between Arrow Java Schema and the datafusion_common.Schema protobuf shape used by DataFusion plan messages such as ListingTableScanNode.schema.

Supports the primitive Arrow types this project's tests exercise (Bool, signed/unsigned Int 8..64, Float32/64, Utf8, Utf8View, LargeUtf8, Date32, Decimal128). Anything else raises UnsupportedOperationException with a message naming the offending type.

Method Summary

Modifier and Type	Method	Description
static org.apache.arrow.vector.types.pojo.Schema	fromProto(datafusion_common.DatafusionCommon.Schema proto)
static datafusion_common.DatafusionCommon.Schema	toProto(org.apache.arrow.vector.types.pojo.Schema arrow)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

toProto

public static datafusion_common.DatafusionCommon.Schema toProto(org.apache.arrow.vector.types.pojo.Schema arrow)

fromProto

public static org.apache.arrow.vector.types.pojo.Schema fromProto(datafusion_common.DatafusionCommon.Schema proto)