org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.comparison

Class BeamSqlEqualsExpression

java.lang.Object

org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression

org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.comparison.BeamSqlCompareExpression

org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.comparison.BeamSqlEqualsExpression

All Implemented Interfaces:

java.io.Serializable

public class BeamSqlEqualsExpression
extends BeamSqlCompareExpression

BeamSqlExpression for = operation.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression

operands, outputType

Constructor Summary

Constructors

Constructor and Description
BeamSqlEqualsExpression(java.util.List<BeamSqlExpression> operands)

Method Summary

Modifier and Type	Method and Description
java.lang.Boolean	compare(java.lang.Boolean leftValue, java.lang.Boolean rightValue) Compare between Boolean values, mapping to SqlTypeName#BOOLEAN.
java.lang.Boolean	compare(java.lang.CharSequence leftValue, java.lang.CharSequence rightValue) Compare between String values, mapping to SqlTypeName#VARCHAR.
java.lang.Boolean	compare(java.lang.Number leftValue, java.lang.Number rightValue) Compare between Number values, including SqlTypeName#BIGINT, SqlTypeName#DECIMAL, SqlTypeName#DOUBLE, SqlTypeName#FLOAT, SqlTypeName#INTEGER, SqlTypeName#SMALLINT and SqlTypeName#TINYINT.

Methods inherited from class org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.comparison.BeamSqlCompareExpression

accept, evaluate

Methods inherited from class org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression

getOperands, getOutputType, numberOfOperands, op, opType, opValueEvaluated

Methods inherited from class java.lang.Object

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

Constructor Detail

BeamSqlEqualsExpression

public BeamSqlEqualsExpression(java.util.List<BeamSqlExpression> operands)

Method Detail

compare

public java.lang.Boolean compare(java.lang.CharSequence leftValue,
                                 java.lang.CharSequence rightValue)

Description copied from class: BeamSqlCompareExpression

Compare between String values, mapping to SqlTypeName#VARCHAR.

Specified by:

compare in class BeamSqlCompareExpression

compare

public java.lang.Boolean compare(java.lang.Boolean leftValue,
                                 java.lang.Boolean rightValue)

Description copied from class: BeamSqlCompareExpression

Compare between Boolean values, mapping to SqlTypeName#BOOLEAN.

Specified by:

compare in class BeamSqlCompareExpression

compare

public java.lang.Boolean compare(java.lang.Number leftValue,
                                 java.lang.Number rightValue)

Description copied from class: BeamSqlCompareExpression

Compare between Number values, including SqlTypeName#BIGINT, SqlTypeName#DECIMAL, SqlTypeName#DOUBLE, SqlTypeName#FLOAT, SqlTypeName#INTEGER, SqlTypeName#SMALLINT and SqlTypeName#TINYINT.

Specified by:

compare in class BeamSqlCompareExpression