Package org.apache.druid.query.explain

Class ExplainAttributes

java.lang.Object

org.apache.druid.query.explain.ExplainAttributes

public final class ExplainAttributes
extends Object

ExplainAttributes holds the attributes of a SQL statement that is used in the EXPLAIN PLAN result.

Constructor Summary

Constructors

Constructor	Description
ExplainAttributes(String statementType, String targetDataSource, Granularity partitionedBy, List<String> clusteredBy, String replaceTimeChunks)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
List<String>	getClusteredBy()
Granularity	getPartitionedBy()
String	getReplaceTimeChunks()
String	getStatementType()
String	getTargetDataSource()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExplainAttributes

public ExplainAttributes(String statementType,
                         @Nullable
                         String targetDataSource,
                         @Nullable
                         Granularity partitionedBy,
                         @Nullable
                         List<String> clusteredBy,
                         @Nullable
                         String replaceTimeChunks)

Method Detail

getStatementType

public String getStatementType()

Returns:

the SQL statement type. For example, SELECT, INSERT, or REPLACE.

getTargetDataSource

@Nullable
public String getTargetDataSource()

Returns:

the target datasource in a SQL statement. Returns null for SELECT statements where there is no target datasource.

getPartitionedBy

@Nullable
public Granularity getPartitionedBy()

Returns:

the time-based partitioning granularity specified in the PARTITIONED BY clause for an INSERT or REPLACE statement. Returns null for SELECT statements.

getClusteredBy

@Nullable
public List<String> getClusteredBy()

Returns:

the clustering columns specified in the CLUSTERED BY clause for an INSERT or REPLACE statement. Returns null for SELECT statements.

getReplaceTimeChunks

@Nullable
public String getReplaceTimeChunks()

Returns:

the time chunks specified in the OVERWRITE clause for a REPLACE statement. Returns null for INSERT and SELECT statements.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object