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:

Table, TranslatableTable, Wrapper

public class PigTable
extends AbstractTable
implements 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

Field Summary

Fields

Modifier and Type	Field and Description
private String[]	fieldNames
private String	filePath

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
String	getFilePath()
RelDataType	getRowType(RelDataTypeFactory typeFactory)
RelNode	toRel(RelOptTable.ToRelContext context, 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

Field Detail

filePath

private final String filePath

fieldNames

private final String[] fieldNames

Constructor Detail

PigTable

public PigTable(String filePath,
                String[] fieldNames)

Creates a PigTable.

Method Detail

getRowType

public RelDataType getRowType(RelDataTypeFactory typeFactory)

Specified by:

getRowType in interface Table

getFilePath

public String getFilePath()

toRel

public RelNode toRel(RelOptTable.ToRelContext context,
                     RelOptTable relOptTable)

Specified by:

toRel in interface TranslatableTable