Package org.apache.druid.segment.indexing

Class DataSchema

java.lang.Object

org.apache.druid.segment.indexing.DataSchema

Direct Known Subclasses:

CombinedDataSchema

public class DataSchema
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DataSchema.Builder

Constructor Summary

Constructors

Constructor	Description
DataSchema(String dataSource, TimestampSpec timestampSpec, DimensionsSpec dimensionsSpec, AggregatorFactory[] aggregators, GranularitySpec granularitySpec, TransformSpec transformSpec, List<AggregateProjectionSpec> projections, Map<String,Object> parserMap)

Method Summary

Modifier and Type	Method	Description
static DataSchema.Builder	builder()
static DataSchema.Builder	builder(DataSchema schema)
boolean	equals(Object o)
AggregatorFactory[]	getAggregators()
String	getDataSource()
DimensionsSpec	getDimensionsSpec()
GranularitySpec	getGranularitySpec()
List<String>	getProjectionNames()
List<AggregateProjectionSpec>	getProjections()
TimestampSpec	getTimestampSpec()
TransformSpec	getTransformSpec()
int	hashCode()
String	toString()
static void	validateProjections(List<AggregateProjectionSpec> projections, Granularity segmentGranularity)	Validates that each AggregateProjectionSpec does not have duplicate column names in AggregateProjectionSpec.groupingColumns and AggregateProjectionSpec.aggregators and that segment Granularity is at least as coarse as AggregateProjectionSchema.effectiveGranularity
DataSchema	withDimensionsSpec(DimensionsSpec dimensionsSpec)
DataSchema	withGranularitySpec(GranularitySpec granularitySpec)
DataSchema	withTransformSpec(TransformSpec transformSpec)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

DataSchema

public DataSchema(String dataSource,
 @Nullable
 TimestampSpec timestampSpec,
 @Nullable
 DimensionsSpec dimensionsSpec,
 @Nullable
 AggregatorFactory[] aggregators,
 @Nullable
 GranularitySpec granularitySpec,
 TransformSpec transformSpec,
 @Nullable
 List<AggregateProjectionSpec> projections,
 @Deprecated @Nullable
 Map<String,Object> parserMap)

Method Details

builder

public static DataSchema.Builder builder()

builder

public static DataSchema.Builder builder(DataSchema schema)

getDataSource

public String getDataSource()

getTimestampSpec

@Nullable
public TimestampSpec getTimestampSpec()

getDimensionsSpec

@Nullable
public DimensionsSpec getDimensionsSpec()

getAggregators

public AggregatorFactory[] getAggregators()

getGranularitySpec

public GranularitySpec getGranularitySpec()

getTransformSpec

public TransformSpec getTransformSpec()

getProjections

@Nullable
public List<AggregateProjectionSpec> getProjections()

getProjectionNames

@Nullable
public List<String> getProjectionNames()

withGranularitySpec

public DataSchema withGranularitySpec(GranularitySpec granularitySpec)

withTransformSpec

public DataSchema withTransformSpec(TransformSpec transformSpec)

withDimensionsSpec

public DataSchema withDimensionsSpec(DimensionsSpec dimensionsSpec)

toString

public String toString()

Overrides:

toString in class Object

validateProjections

public static void validateProjections(@Nullable
 List<AggregateProjectionSpec> projections,
 @Nullable
 Granularity segmentGranularity)

Validates that each AggregateProjectionSpec does not have duplicate column names in AggregateProjectionSpec.groupingColumns and AggregateProjectionSpec.aggregators and that segment Granularity is at least as coarse as AggregateProjectionSchema.effectiveGranularity

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object