gsp-graphql-core/edu.gemini.grackle/Query

Query

object Query
Companion:
class
Source:
query.scala
trait Sum
trait Mirror
class Object
trait Matchable
class Any
Query.type

Type members

Classlikes

case class Binding(name: String, value: Value)
case class Component[F[_]](mapping: Mapping[F], join: (Cursor, Query) => Result[Query], child: Query) extends Query

Identifies a component boundary. join is applied to the current cursor and child yielding a continuation query which will be evaluated by the interpreter identified by componentId.

Identifies a component boundary. join is applied to the current cursor and child yielding a continuation query which will be evaluated by the interpreter identified by componentId.

Source:
query.scala
case class Count(name: String, child: Query) extends Query

Computes the number of top-level elements of child as field name

Computes the number of top-level elements of child as field name

Source:
query.scala
case class Defer(join: (Cursor, Query) => Result[Query], child: Query, rootTpe: Type) extends Query

A deferred query. join is applied to the current cursor and child yielding a continuation query which will be evaluated by the current interpreter in its next stage.

A deferred query. join is applied to the current cursor and child yielding a continuation query which will be evaluated by the current interpreter in its next stage.

Source:
query.scala
case object Empty extends Query

The terminal query

The terminal query

Source:
query.scala
case class Environment(env: Env, child: Query) extends Query

Add env to the environment for the continuation child

Add env to the environment for the continuation child

Source:
query.scala
case class Filter(pred: Predicate, child: Query) extends Query

Retains only elements satisfying pred and continues with child

Retains only elements satisfying pred and continues with child

Source:
query.scala
object FilterOrderByOffsetLimit

Constructor/extractor for nested Filter/OrderBy/Limit/Offset patterns in the query algebra

Constructor/extractor for nested Filter/OrderBy/Limit/Offset patterns in the query algebra

Source:
query.scala
case class Group(queries: List[Query]) extends Query

A Group of sibling queries at the same level

A Group of sibling queries at the same level

Source:
query.scala
case class GroupList(queries: List[Query]) extends Query

A Group of sibling queries as a list

A Group of sibling queries as a list

Source:
query.scala
case class Introspect(schema: Schema, child: Query) extends Query

Evaluates an introspection query relative to schema

Evaluates an introspection query relative to schema

Source:
query.scala
case class Limit(num: Int, child: Query) extends Query

Limits the results of list-producing continuation child to num elements

Limits the results of list-producing continuation child to num elements

Source:
query.scala
case class Narrow(subtpe: TypeRef, child: Query) extends Query

The result of child if the focus is of type subtpe, Empty otherwise.

The result of child if the focus is of type subtpe, Empty otherwise.

Source:
query.scala
case class Offset(num: Int, child: Query) extends Query

Drops the first num elements of list-producing continuation child.

Drops the first num elements of list-producing continuation child.

Source:
query.scala
case class OrderBy(selections: OrderSelections, child: Query) extends Query

Orders the results of list-producing continuation child by fields specified by selections.

Orders the results of list-producing continuation child by fields specified by selections.

Source:
query.scala
case class OrderSelection[T](term: Term[T], ascending: Boolean, nullsLast: Boolean)(implicit evidence$1: Order[T])
case class OrderSelections(selections: List[OrderSelection[_]])
object PossiblyRenamedSelect

Extractor for nested Rename/Select patterns in the query algebra

Extractor for nested Rename/Select patterns in the query algebra

Source:
query.scala
case class Rename(name: String, child: Query) extends Query

Rename the topmost field of sel to name.

Rename the topmost field of sel to name.

Source:
query.scala
case class Select(name: String, args: List[Binding], child: Query) extends Query

Select field name given arguments args and continue with child

Select field name given arguments args and continue with child

Source:
query.scala
case class Skip(sense: Boolean, cond: Value, child: Query) extends Query

Skips/includes the continuation child depending on the value of cond

Skips/includes the continuation child depending on the value of cond

Source:
query.scala
case object Skipped extends Query

A placeholder for a skipped node

A placeholder for a skipped node

Source:
query.scala
object TypeCase

Extractor for grouped Narrow patterns in the query algebra

Extractor for grouped Narrow patterns in the query algebra

Source:
query.scala
case class Unique(child: Query) extends Query

Continues with single-element-list-producing child and yields the single element

Continues with single-element-list-producing child and yields the single element

Source:
query.scala
case class UntypedNarrow(tpnme: String, child: Query) extends Query

Untyped precursor of Narrow.

Untyped precursor of Narrow.

Trees of this type will be replaced by a corresponding Narrow by SelectElaborator.

Source:
query.scala
case class UntypedVarDef(name: String, tpe: Type, default: Option[Value])
case class Wrap(name: String, child: Query) extends Query

Wraps the result of child as a field named name of an enclosing object.

Wraps the result of child as a field named name of an enclosing object.

Source:
query.scala

Types

type Vars = Map[String, (Type, Value)]

Inherited types

type MirroredElemLabels <: Tuple

The names of the product elements

The names of the product elements

Inherited from:
Mirror
Source:
Mirror.scala
type MirroredLabel <: String

The name of the type

The name of the type

Inherited from:
Mirror
Source:
Mirror.scala

Value members

Concrete methods

def mergeQueries(qs: List[Query]): Query

Merge the given queries as a single query

Merge the given queries as a single query

Source:
query.scala
def mkPathQuery(paths: List[List[String]]): List[Query]

Construct a query which yields all the supplied paths

Construct a query which yields all the supplied paths

Source:
query.scala
def renameRoot(q: Query, rootName: String): Option[Query]