io.druid.sql.calcite.rel

Class DruidQuery

java.lang.Object

io.druid.sql.calcite.rel.DruidQuery

public class DruidQuery
extends Object

A fully formed Druid query, built from a PartialDruidQuery. The work to develop this query is done during construction, which may throw CannotBuildQueryException.

Constructor Summary

Constructors

Constructor and Description
DruidQuery(PartialDruidQuery partialQuery, DataSource dataSource, RowSignature sourceRowSignature, PlannerContext plannerContext, org.apache.calcite.rex.RexBuilder rexBuilder, boolean finalizeAggregations)

Method Summary

Modifier and Type	Method and Description
Grouping	getGrouping()
io.druid.query.groupby.orderby.DefaultLimitSpec	getLimitSpec()
RowSignature	getOutputRowSignature()
org.apache.calcite.rel.type.RelDataType	getOutputRowType()
Query	getQuery()
SortProject	getSortProject()
RowSignature	getSourceRowSignature()
io.druid.segment.VirtualColumns	getVirtualColumns(io.druid.math.expr.ExprMacroTable macroTable, boolean includeDimensions)
io.druid.query.groupby.GroupByQuery	toGroupByQuery() Return this query as a GroupBy query, or null if this query is not compatible with GroupBy.
io.druid.query.scan.ScanQuery	toScanQuery() Return this query as a Scan query, or null if this query is not compatible with Scan.
io.druid.query.select.SelectQuery	toSelectQuery() Return this query as a Select query, or null if this query is not compatible with Select.
io.druid.query.timeseries.TimeseriesQuery	toTimeseriesQuery() Return this query as a Timeseries query, or null if this query is not compatible with Timeseries.
io.druid.query.topn.TopNQuery	toTopNQuery() Return this query as a TopN query, or null if this query is not compatible with TopN.

Methods inherited from class java.lang.Object

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

Constructor Detail

DruidQuery

public DruidQuery(PartialDruidQuery partialQuery,
                  DataSource dataSource,
                  RowSignature sourceRowSignature,
                  PlannerContext plannerContext,
                  org.apache.calcite.rex.RexBuilder rexBuilder,
                  boolean finalizeAggregations)

Method Detail

getVirtualColumns

public io.druid.segment.VirtualColumns getVirtualColumns(io.druid.math.expr.ExprMacroTable macroTable,
                                                         boolean includeDimensions)

getGrouping

public Grouping getGrouping()

getLimitSpec

public io.druid.query.groupby.orderby.DefaultLimitSpec getLimitSpec()

getSortProject

public SortProject getSortProject()

getOutputRowType

public org.apache.calcite.rel.type.RelDataType getOutputRowType()

getSourceRowSignature

public RowSignature getSourceRowSignature()

getOutputRowSignature

public RowSignature getOutputRowSignature()

getQuery

public Query getQuery()

toTimeseriesQuery

@Nullable
public io.druid.query.timeseries.TimeseriesQuery toTimeseriesQuery()

Return this query as a Timeseries query, or null if this query is not compatible with Timeseries.

Returns:

query

toTopNQuery

@Nullable
public io.druid.query.topn.TopNQuery toTopNQuery()

Return this query as a TopN query, or null if this query is not compatible with TopN.

Returns:

query or null

toGroupByQuery

@Nullable
public io.druid.query.groupby.GroupByQuery toGroupByQuery()

Return this query as a GroupBy query, or null if this query is not compatible with GroupBy.

Returns:

query or null

toScanQuery

@Nullable
public io.druid.query.scan.ScanQuery toScanQuery()

Return this query as a Scan query, or null if this query is not compatible with Scan.

Returns:

query or null

toSelectQuery

@Nullable
public io.druid.query.select.SelectQuery toSelectQuery()

Return this query as a Select query, or null if this query is not compatible with Select.

Returns:

query or null