io.druid.sql.calcite.expression

Class AbstractExpressionConversion

java.lang.Object

io.druid.sql.calcite.expression.AbstractExpressionConversion

All Implemented Interfaces:

ExpressionConversion

Direct Known Subclasses:

CharLengthExpressionConversion, ExtractExpressionConversion, FloorExpressionConversion, SubstringExpressionConversion

public abstract class AbstractExpressionConversion
extends Object
implements ExpressionConversion

Constructor Summary

Constructors

Constructor and Description
AbstractExpressionConversion(org.apache.calcite.sql.SqlKind kind)
AbstractExpressionConversion(org.apache.calcite.sql.SqlKind kind, String operatorName)

Method Summary

Modifier and Type	Method and Description
String	operatorName() Operator name, if ExpressionConversion.sqlKind() is OTHER_FUNCTION.
org.apache.calcite.sql.SqlKind	sqlKind() SQL kind that this converter knows how to convert.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.druid.sql.calcite.expression.ExpressionConversion

convert

Constructor Detail

AbstractExpressionConversion

public AbstractExpressionConversion(org.apache.calcite.sql.SqlKind kind)

AbstractExpressionConversion

public AbstractExpressionConversion(org.apache.calcite.sql.SqlKind kind,
                                    String operatorName)

Method Detail

sqlKind

public org.apache.calcite.sql.SqlKind sqlKind()

Description copied from interface: ExpressionConversion

SQL kind that this converter knows how to convert.

Specified by:

sqlKind in interface ExpressionConversion

Returns:

sql kind

operatorName

public String operatorName()

Description copied from interface: ExpressionConversion

Operator name, if ExpressionConversion.sqlKind() is OTHER_FUNCTION.

Specified by:

operatorName in interface ExpressionConversion

Returns:

operator name, or null