parquet.schema

Class ConversionPatterns

java.lang.Object

parquet.schema.ConversionPatterns

public abstract class ConversionPatterns
extends Object

Utility functions to convert from Java-like map and list types to equivalent Parquet types.

Constructor Summary

Constructors

Constructor and Description
ConversionPatterns()

Method Summary

Methods

Modifier and Type	Method and Description
static GroupType	listType(Type.Repetition repetition, String alias, Type nestedType)
static GroupType	mapType(Type.Repetition repetition, String alias, String mapAlias, Type keyType, Type valueType)
static GroupType	mapType(Type.Repetition repetition, String alias, Type keyType, Type valueType)
static GroupType	stringKeyMapType(Type.Repetition repetition, String alias, String mapAlias, Type valueType)
static GroupType	stringKeyMapType(Type.Repetition repetition, String alias, Type valueType)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConversionPatterns

public ConversionPatterns()

Method Detail

mapType

public static GroupType mapType(Type.Repetition repetition,
                String alias,
                Type keyType,
                Type valueType)

stringKeyMapType

public static GroupType stringKeyMapType(Type.Repetition repetition,
                         String alias,
                         String mapAlias,
                         Type valueType)

stringKeyMapType

public static GroupType stringKeyMapType(Type.Repetition repetition,
                         String alias,
                         Type valueType)

mapType

public static GroupType mapType(Type.Repetition repetition,
                String alias,
                String mapAlias,
                Type keyType,
                Type valueType)

listType

public static GroupType listType(Type.Repetition repetition,
                 String alias,
                 Type nestedType)

Parameters:

repetition -

alias - name of the field

nestedType -

Returns: