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

Class TimeUnitUtils

java.lang.Object

org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date.TimeUnitUtils

public abstract class TimeUnitUtils
extends java.lang.Object

Utils to convert between Calcite's TimeUnit and Sql intervals.

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Map<org.apache.calcite.sql.type.SqlTypeName,DurationFieldType>	INTERVALS_DURATIONS_TYPES supported interval and duration type.

Constructor Summary

Constructors

Constructor and Description
TimeUnitUtils()

Method Summary

Modifier and Type	Method and Description
static java.math.BigDecimal	timeUnitInternalMultiplier(org.apache.calcite.sql.type.SqlTypeName sqlIntervalType)

Methods inherited from class java.lang.Object

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

Field Detail

INTERVALS_DURATIONS_TYPES

public static final java.util.Map<org.apache.calcite.sql.type.SqlTypeName,DurationFieldType> INTERVALS_DURATIONS_TYPES

supported interval and duration type.

Constructor Detail

TimeUnitUtils

public TimeUnitUtils()

Method Detail

timeUnitInternalMultiplier

public static java.math.BigDecimal timeUnitInternalMultiplier(org.apache.calcite.sql.type.SqlTypeName sqlIntervalType)

Returns:

internal multiplier of a TimeUnit, e.g. YEAR is 12, MINUTE is 60000

Throws:

java.lang.IllegalArgumentException - if interval type is not supported