org.apache.calcite.adapter.pig

Class PigTable

java.lang.Object

org.apache.calcite.schema.impl.AbstractTable

org.apache.calcite.adapter.pig.PigTable

All Implemented Interfaces:

org.apache.calcite.schema.Table, org.apache.calcite.schema.TranslatableTable, org.apache.calcite.schema.Wrapper

public class PigTable
extends org.apache.calcite.schema.impl.AbstractTable
implements org.apache.calcite.schema.TranslatableTable

Represents a Pig relation that is created by Pig Latin LOAD statement.

Only the default load function is supported at this point (PigStorage()).

Only VARCHAR (CHARARRAY in Pig) type supported at this point.

See Also:

PigTableFactory

Constructor Summary

Constructors

Constructor and Description
PigTable(String filePath, String[] fieldNames) Creates a PigTable.

Method Summary

Modifier and Type	Method and Description
String	getFilePath()
org.apache.calcite.rel.type.RelDataType	getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
org.apache.calcite.rel.RelNode	toRel(org.apache.calcite.plan.RelOptTable.ToRelContext context, org.apache.calcite.plan.RelOptTable relOptTable)

Methods inherited from class org.apache.calcite.schema.impl.AbstractTable

getJdbcTableType, getStatistic, isRolledUp, rolledUpColumnValidInsideAgg, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.schema.Table

getJdbcTableType, getStatistic, isRolledUp, rolledUpColumnValidInsideAgg

Methods inherited from interface org.apache.calcite.schema.Wrapper

maybeUnwrap, unwrapOrThrow

Constructor Detail

PigTable

public PigTable(String filePath,
                String[] fieldNames)

Creates a PigTable.

Method Detail

getRowType

public org.apache.calcite.rel.type.RelDataType getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

Specified by:

getRowType in interface org.apache.calcite.schema.Table

getFilePath

public String getFilePath()

toRel

public org.apache.calcite.rel.RelNode toRel(org.apache.calcite.plan.RelOptTable.ToRelContext context,
                                            org.apache.calcite.plan.RelOptTable relOptTable)

Specified by:

toRel in interface org.apache.calcite.schema.TranslatableTable