druid

Type Members

1. sealed trait AggregationSpec extends AnyRef

2. case class AlphaNumericTopNMetricSpec(type: String, previousStop: String) extends TopNMetricSpec with Product with Serializable

3. case class ArithmeticPostAggregationSpec(type: String, name: String, fn: String, fields: List[PostAggregationSpec], ordering: Option[String]) extends PostAggregationSpec with Product with Serializable

   In SQL this is an expression involving at least 1 aggregation expression

4. case class BoundFilterSpec(type: String, dimension: String, lower: Option[String], lowerStrict: Option[Boolean], upper: Option[String], upperStrict: Option[Boolean], alphaNumeric: Boolean) extends FilterSpec with Product with Serializable

5. class BrokerPartition extends DruidPartition

6. case class CardinalityAggregationSpec(type: String, name: String, fieldNames: List[String], byRow: Boolean) extends AggregationSpec with Product with Serializable

   In SQL a count(distinct dimColumn) is translated to this Spec.

7. trait CloseableIterator[+A] extends Iterator[A]

8. case class ComparisonHavingSpec(type: String, aggregation: String, value: Double) extends Product with Serializable

9. case class ConstantPostAggregationSpec(type: String, name: String, value: Double) extends PostAggregationSpec with Product with Serializable

10. class DateTimeConditionExtractor extends AnyRef

    Return (DruidColumn, ComparisonOperator, DateTimeValue)

11. case class DateTimeGroupingElem(outputName: String, druidColumn: DruidColumn, formatToApply: String, tzForFormat: Option[String], pushedExpression: Expression, inputFormat: Option[String] = scala.None) extends Product with Serializable

12. class DateTimeWithZoneExtractor extends AnyRef

    Extract expressions of the form: - dateTime(dimCol) - withZone(dateTime(dimCol))

13. case class DefaultDimensionSpec(type: String, dimension: String, outputName: String) extends DimensionSpec with Product with Serializable

    In SQL these are columns being grouped on.

14. class DefaultSource extends RelationProvider with Logging

15. sealed trait DimensionSpec extends AnyRef

    As defined in http://druid.io/docs/latest/querying/dimensionspecs.html

16. class DruidColumnExtractor extends AnyRef

17. class DruidDataSourceException extends Exception

18. case class DruidOperatorAttribute(exprId: ExprId, name: String, dataType: DataType, tf: String = null) extends Product with Serializable

19. abstract class DruidPartition extends Partition

20. case class DruidQuery(q: QuerySpec, queryHistoricalServer: Boolean, numSegmentsPerQuery: Int, intervalSplits: List[Interval], outputAttrSpec: Option[List[DruidOperatorAttribute]]) extends Product with Serializable

21. case class DruidQueryBuilder(drInfo: DruidRelationInfo, queryIntervals: QueryIntervals, dimensions: List[DimensionSpec] = immutable.this.Nil, limitSpec: Option[LimitSpec] = scala.None, havingSpec: Option[HavingSpec] = scala.None, granularitySpec: Either[String, GranularitySpec] = ..., filterSpec: Option[FilterSpec] = scala.None, aggregations: List[AggregationSpec] = immutable.this.Nil, postAggregations: Option[List[PostAggregationSpec]] = scala.None, projectionAliasMap: Map[String, String] = ..., outputAttributeMap: Map[String, (Expression, DataType, DataType, String)] = ..., avgExpressions: Map[Expression, (String, String)] = ..., aggExprToLiteralExpr: Map[Expression, Expression] = ..., aggregateOper: Option[Aggregate] = scala.None, curId: AtomicLong = ...) extends Product with Serializable

22. class DruidRDD extends RDD[InternalRow]

23. case class DruidRelation(info: DruidRelationInfo, dQuery: Option[DruidQuery])(sqlContext: SQLContext) extends BaseRelation with TableScan with Product with Serializable

24. case class DurationGranularitySpec(type: String, duration: Long) extends GranularitySpec with Product with Serializable

25. case class ExtractionDimensionSpec(type: String, dimension: String, outputName: String, extractionFn: ExtractionFunctionSpec) extends DimensionSpec with Product with Serializable

26. case class ExtractionFilterSpec(type: String, dimension: String, value: String, extractionFn: InExtractionFnSpec) extends FilterSpec with Product with Serializable

27. sealed trait ExtractionFunctionSpec extends AnyRef

28. case class FieldAccessPostAggregationSpec(type: String, fieldName: String) extends PostAggregationSpec with Product with Serializable

29. sealed trait FilterSpec extends AnyRef

30. case class FilteredAggregationSpec(type: String, name: String, filter: SelectorFilterSpec, aggregator: AggregationSpec) extends AggregationSpec with Product with Serializable

    In SQL this is an aggregation on an If condition.

31. case class FunctionAggregationSpec(type: String, name: String, fieldName: String) extends AggregationSpec with Product with Serializable

    In SQL an aggregation expression on a metric is translated to this Spec.

32. sealed trait GranularitySpec extends AnyRef

33. case class GroupByQuerySpec(queryType: String, dataSource: String, dimensions: List[DimensionSpec], limitSpec: Option[LimitSpec], having: Option[HavingSpec], granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], aggregations: List[AggregationSpec], postAggregations: Option[List[PostAggregationSpec]], intervals: List[String]) extends QuerySpec with Product with Serializable

34. case class GroupByQuerySpecWithSegIntervals(queryType: String, dataSource: String, dimensions: List[DimensionSpec], limitSpec: Option[LimitSpec], having: Option[HavingSpec], granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], aggregations: List[AggregationSpec], postAggregations: Option[List[PostAggregationSpec]], intervals: SegmentIntervals) extends QuerySpec with Product with Serializable

35. sealed trait HavingSpec extends AnyRef

36. class HistoricalPartition extends DruidPartition

37. case class HyperUniqueCardinalityPostAggregationSpec(type: String, name: String, fieldName: String) extends PostAggregationSpec with Product with Serializable

38. case class InExtractionFnSpec(type: String, lookup: LookUpMap) extends ExtractionFunctionSpec with Product with Serializable

39. case class InsensitiveContainsSearchQuerySpec(type: String, value: String) extends SearchQueryQuerySpec with Product with Serializable

40. case class IntervalCondition(typ: IntervalConditionType.Value, dt: DateTime) extends Product with Serializable

41. class IntervalConditionExtractor extends AnyRef

42. case class InvertedTopNMetricSpec(type: String, metric: TopNMetricSpec) extends TopNMetricSpec with Product with Serializable

43. case class JavaScriptExtractionFunctionSpec(type: String, function: String, injective: Boolean = false) extends ExtractionFunctionSpec with Product with Serializable

44. case class JavascriptAggregationSpec(type: String, name: String, fieldNames: List[String], fnAggregate: String, fnCombine: String, fnReset: String) extends AggregationSpec with Product with Serializable

    In SQL this is an invocation on a special JSAgg function.

45. case class JavascriptFilterSpec(type: String, dimension: String, function: String) extends FilterSpec with Product with Serializable

    In SQL an invocation on a special JSPredicate is translated to this FilterSpec.

46. case class JavascriptPostAggregationSpec(type: String, name: String, fields: List[PostAggregationSpec], function: String) extends PostAggregationSpec with Product with Serializable

47. case class LexiographicTopNMetricSpec(type: String, previousStop: String) extends TopNMetricSpec with Product with Serializable

48. case class LimitSpec(type: String, limit: Int, columns: List[OrderByColumnSpec]) extends Product with Serializable

49. case class LogicalBinaryOpHavingSpec(type: String, havingSpecs: List[HavingSpec]) extends Product with Serializable

50. case class LogicalFilterSpec(type: String, fields: List[FilterSpec]) extends FilterSpec with Product with Serializable

51. case class LookUpMap(type: String, map: Map[String, String]) extends Product with Serializable

52. case class NotFilterSpec(type: String, field: FilterSpec) extends FilterSpec with Product with Serializable

53. case class NotOpHavingSpec(type: String, havingSpec: HavingSpec) extends Product with Serializable

54. case class NumericTopNMetricSpec(type: String, metric: String) extends TopNMetricSpec with Product with Serializable

55. case class OrderByColumnSpec(dimension: String, direction: String) extends Product with Serializable

56. case class PartialExtractionFunctionSpec(type: String, expr: String) extends ExtractionFunctionSpec with Product with Serializable

    In SQL this is a grouping expression of the form 'if col rlike regex then regex else null'

57. case class PeriodGranularitySpec(type: String, period: String, timeZone: Option[String], origin: Option[String]) extends GranularitySpec with Product with Serializable

58. sealed trait PostAggregationSpec extends AnyRef

59. case class QueryIntervals(drInfo: DruidRelationInfo, intervals: List[com.github.nscala_time.time.Imports.Interval] = immutable.this.Nil) extends Product with Serializable

60. sealed trait QuerySpec extends AnyRef

61. case class RegexExtractionFunctionSpec(type: String, expr: String) extends ExtractionFunctionSpec with Product with Serializable

    In SQL this is an 'like' or rlike' predicate on a column being grouped on.

62. case class RegexFilterSpec(type: String, dimension: String, pattern: String) extends FilterSpec with Product with Serializable

63. case class SearchQueryExtractionFunctionSpec(type: String, query: String) extends ExtractionFunctionSpec with Product with Serializable

    In SQL this is a contains predicate on a column being grouped on.

64. trait SearchQueryQuerySpec extends AnyRef

65. case class SearchQuerySpec(queryType: String, dataSource: String, intervals: List[String], granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], searchDimensions: List[String], query: SearchQueryQuerySpec, sort: Option[SortSearchQuerySpec]) extends QuerySpec with Product with Serializable

66. case class SearchQuerySpecWithSegIntervals(queryType: String, dataSource: String, intervals: SegmentIntervals, granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], searchDimensions: List[String], query: SearchQueryQuerySpec, sort: Option[SortSearchQuerySpec]) extends QuerySpec with Product with Serializable

67. case class SegmentInterval(itvl: String, ver: String, part: Option[Int]) extends Product with Serializable

68. case class SegmentIntervals(type: String, segments: List[SegmentInterval]) extends Product with Serializable

69. case class SelectorFilterSpec(type: String, dimension: String, value: String) extends FilterSpec with Product with Serializable

70. case class SortSearchQuerySpec(type: String) extends Product with Serializable

71. class SparkIntervalConditionExtractor extends AnyRef

72. class SparkNativeTimeElementExtractor extends AnyRef

73. class TimeElementExtractor extends AnyRef

    Extract expressions that extract a dateTime element of a dimColumn that is parsed as Date For e.

74. case class TimeFormatExtractionFunctionSpec(type: String, format: String, timeZone: Option[String], locale: Option[String]) extends ExtractionFunctionSpec with Product with Serializable

    In SQL this is a withTimeZone and field extraction functions applied to the time dimension columns.

75. case class TimeParsingExtractionFunctionSpec(type: String, timeFormat: String, resultFormat: String) extends ExtractionFunctionSpec with Product with Serializable

76. class TimeReferenceExtractor extends AnyRef

77. case class TimeSeriesQuerySpec(queryType: String, dataSource: String, intervals: List[String], granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], aggregations: List[AggregationSpec], postAggregations: Option[List[PostAggregationSpec]]) extends QuerySpec with Product with Serializable

78. case class TimeSeriesQuerySpecWithSegIntervals(queryType: String, dataSource: String, granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], aggregations: List[AggregationSpec], postAggregations: Option[List[PostAggregationSpec]], intervals: SegmentIntervals) extends QuerySpec with Product with Serializable

79. sealed trait TopNMetricSpec extends AnyRef

80. case class TopNQuerySpec(queryType: String, dataSource: String, intervals: List[String], granularity: Either[String, GranularitySpec], filter: Option[FilterSpec], aggregations: List[AggregationSpec], postAggregations: Option[List[PostAggregationSpec]], dimension: DimensionSpec, threshold: Int, metric: TopNMetricSpec) extends QuerySpec with Product with Serializable