com.facebook.presto.hive.parquet

Class ParquetTypeUtils

java.lang.Object

com.facebook.presto.hive.parquet.ParquetTypeUtils

public final class ParquetTypeUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static Optional<Type>	createDecimalType(RichColumnDescriptor descriptor)
static List<parquet.io.PrimitiveColumnIO>	getColumns(parquet.schema.MessageType fileSchema, parquet.schema.MessageType requestedSchema)
static Optional<RichColumnDescriptor>	getDescriptor(parquet.schema.MessageType fileSchema, parquet.schema.MessageType requestedSchema, int index)
static Optional<RichColumnDescriptor>	getDescriptor(parquet.schema.MessageType fileSchema, parquet.schema.MessageType requestedSchema, List<String> path)
static int	getFieldIndex(parquet.schema.MessageType fileSchema, String name)
static ParquetEncoding	getParquetEncoding(parquet.column.Encoding encoding)
static parquet.schema.Type	getParquetType(HiveColumnHandle column, parquet.schema.MessageType messageType, boolean useParquetColumnNames)
static Type	getPrestoType(RichColumnDescriptor descriptor)

Methods inherited from class java.lang.Object

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

Method Detail

getColumns

public static List<parquet.io.PrimitiveColumnIO> getColumns(parquet.schema.MessageType fileSchema,
                                                            parquet.schema.MessageType requestedSchema)

getDescriptor

public static Optional<RichColumnDescriptor> getDescriptor(parquet.schema.MessageType fileSchema,
                                                           parquet.schema.MessageType requestedSchema,
                                                           List<String> path)

getDescriptor

public static Optional<RichColumnDescriptor> getDescriptor(parquet.schema.MessageType fileSchema,
                                                           parquet.schema.MessageType requestedSchema,
                                                           int index)

getPrestoType

public static Type getPrestoType(RichColumnDescriptor descriptor)

getFieldIndex

public static int getFieldIndex(parquet.schema.MessageType fileSchema,
                                String name)

getParquetType

public static parquet.schema.Type getParquetType(HiveColumnHandle column,
                                                 parquet.schema.MessageType messageType,
                                                 boolean useParquetColumnNames)

getParquetEncoding

public static ParquetEncoding getParquetEncoding(parquet.column.Encoding encoding)

createDecimalType

public static Optional<Type> createDecimalType(RichColumnDescriptor descriptor)