org.apache.calcite.rel.type

Class RelDataTypeHolder

java.lang.Object

org.apache.calcite.rel.type.RelDataTypeHolder

class RelDataTypeHolder
extends Object

Holding the expandable list of fields for dynamic table.

Field Summary

Fields

Modifier and Type	Field and Description
private List<RelDataTypeField>	fields
private RelDataTypeFactory	typeFactory

Constructor Summary

Constructors

Constructor and Description
RelDataTypeHolder(RelDataTypeFactory typeFactory)

Method Summary

Modifier and Type	Method and Description
int	getFieldCount()
List<RelDataTypeField>	getFieldList()
List<String>	getFieldNames()
(package private) Pair<RelDataTypeField,Boolean>	getFieldOrInsert(String fieldName, boolean caseSensitive) Get field if exists, otherwise inserts a new field.

Methods inherited from class java.lang.Object

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

Field Detail

fields

private final List<RelDataTypeField> fields

typeFactory

private final RelDataTypeFactory typeFactory

Constructor Detail

RelDataTypeHolder

RelDataTypeHolder(RelDataTypeFactory typeFactory)

Method Detail

getFieldList

public List<RelDataTypeField> getFieldList()

getFieldCount

public int getFieldCount()

getFieldOrInsert

Pair<RelDataTypeField,Boolean> getFieldOrInsert(String fieldName,
                                                boolean caseSensitive)

Get field if exists, otherwise inserts a new field. The new field by default will have "any" type, except for the dynamic star field.

Parameters:

fieldName - Request field name

caseSensitive - Case Sensitive

Returns:

A pair of RelDataTypeField and Boolean. Boolean indicates whether a new field is added to this holder.

getFieldNames

public List<String> getFieldNames()