Uses of Interface
net.hydromatic.morel.eval.Describable

Packages that use Describable

Package	Description
net.hydromatic.morel.compile	Validates programs (represented as AstNode), deduces their type, and compiles them into code that can be evaluated.
net.hydromatic.morel.eval	Evaluates expressions.
net.hydromatic.morel.foreign	Provides access to external data sources.

Uses of Describable in net.hydromatic.morel.compile

Subinterfaces of Describable in net.hydromatic.morel.compile

Modifier and Type	Interface	Description
(package private) static interface	CalciteCompiler.RelCode	Extension to Code that can also provide a translation to relational algebra.

Classes in net.hydromatic.morel.compile that implement Describable

Modifier and Type	Class	Description
private static class	Compiler.LinkCode	A piece of code that is references another piece of code.
private static class	Compiler.MatchCode	Code that implements Compiler.compileMatchList(Context, List).

Uses of Describable in net.hydromatic.morel.eval

Subinterfaces of Describable in net.hydromatic.morel.eval

Modifier and Type	Interface	Description
interface	Applicable	A compiled expression that can be evaluated by applying to an argument.
interface	Code	A compiled expression, that can be evaluated.
static interface	Codes.Positioned	An Applicable whose position can be changed.
static interface	Codes.RowSink	Accepts rows produced by a supplier as part of a from step.
static interface	Codes.Typed	An Applicable whose type may be specified.

Classes in net.hydromatic.morel.eval that implement Describable

Modifier and Type	Class	Description
class	Applicable2<R,A0,A1>	Applicable whose argument is a 3-tuple.
class	Applicable3<R,A0,A1,A2>	Applicable whose argument is a 3-tuple.
(package private) class	ApplicableImpl	Abstract implementation of Applicable that describes itself with a constant name.
class	Closure	Value that is sufficient for a function to bind its argument and evaluate its body.
private static class	Codes.AndAlsoCode	Code that implements Codes.andAlso(Code, Code).
private static class	Codes.ApplyCode	Applies an Applicable to a Code.
private static class	Codes.ApplyCode2	Applies an Applicable2 to two Code arguments.
private static class	Codes.ApplyCode3	Applies an Applicable3 to three Code arguments.
(package private) static class	Codes.ApplyCodeCode	Applies a Code to a Code.
(package private) static class	Codes.BaseRowSink	Abstract implementation for row sinks that have one successor.
private static class	Codes.CharPredicate	Implementation of Applicable that has a single char argument.
private static class	Codes.CollectRowSink	Implementation of Codes.RowSink that the last step of a from writes into.
(package private) static class	Codes.Comparer	Implementation of Codes.RELATIONAL_COMPARE.
private static class	Codes.ConstantCode	Code that implements a constant.
(package private) static class	Codes.ExceptAllRowSink	Implementation of Codes.RowSink for non-distinct except step.
(package private) static class	Codes.ExceptDistinctRowSink	Implementation of Codes.RowSink for a distinct except step.
private static class	Codes.FirstRowSink	First row sink in the chain.
(package private) static class	Codes.FromCode	Code that evaluates a query.
private static class	Codes.GetCode	Code that retrieves the value of a variable from the environment.
private static class	Codes.GetTupleCode	Code that retrieves, as a tuple, the value of several variables from the environment.
private static class	Codes.GroupRowSink	Implementation of Codes.RowSink for a group step.
private static class	Codes.IntDiv	Implements Codes.INT_DIV and Codes.OP_DIV.
private static class	Codes.InteractUse	Implements BuiltIn.INTERACT_USE.
(package private) static class	Codes.IntersectAllRowSink	Implementation of Codes.RowSink for a non-distinct intersect step.
(package private) static class	Codes.IntersectDistinctRowSink	Implementation of Codes.RowSink for a distinct intersect step.
private static class	Codes.IntMod	Implements Codes.INT_MOD and Codes.OP_MOD.
private static class	Codes.Let1Code	Code that implements Codes.let(List, Code) with one argument.
private static class	Codes.LetCode	Code that implements Codes.let(List, Code) with multiple arguments.
private static class	Codes.ListHd	Implements BuiltIn.LIST_HD.
private static class	Codes.ListLast	Implements BuiltIn.LIST_LAST.
private static class	Codes.ListNth	Implements BuiltIn.LIST_NTH and BuiltIn.VECTOR_SUB.
private static class	Codes.ListTabulate	Implements BuiltIn.LIST_TABULATE.
private static class	Codes.ListTake	Implements BuiltIn.LIST_TAKE.
private static class	Codes.ListTl	Implements BuiltIn.LIST_TL.
private static class	Codes.OptionValOf	Implements BuiltIn.OPTION_VAL_OF.
(package private) static class	Codes.OrderRowSink	Implementation of Codes.RowSink for an order step.
private static class	Codes.OrdinalGetCode	Implementation of Code that evaluates the current row ordinal.
private static class	Codes.OrdinalIncCode	Implementation of Code that increments the current row ordinal then calls another Code.
private static class	Codes.OrElseCode	Code that implements Codes.orElse(Code, Code).
private static class	Codes.PositionedApplicableImpl	Implementation of both Applicable and Codes.Positioned.
private static class	Codes.RealCheckFloat	Implements BuiltIn.REAL_CHECK_FLOAT.
private static class	Codes.RealCompare	Implements BuiltIn.REAL_COMPARE.
private static class	Codes.RealSign	Implements BuiltIn.REAL_COMPARE.
private static class	Codes.RelationalOnly	Implements BuiltIn.RELATIONAL_ONLY.
(package private) static class	Codes.ScanRowSink	Implementation of Codes.RowSink for a join step.
(package private) static class	Codes.SetRowSink	Implementation of Codes.RowSink for an except, intersect, or union step.
(package private) static class	Codes.SkipRowSink	Implementation of Codes.RowSink for a skip step.
private static class	Codes.StringConcat	Implements BuiltIn.STRING_CONCAT.
private static class	Codes.StringConcatWith	Implements BuiltIn.STRING_CONCAT_WITH.
private static class	Codes.StringExtract	Implements BuiltIn.STRING_SUB.
private static class	Codes.StringSub	Implements BuiltIn.STRING_SUB.
private static class	Codes.StringSubstring	Implements BuiltIn.STRING_SUBSTRING.
(package private) static class	Codes.TakeRowSink	Implementation of Codes.RowSink for a take step.
static class	Codes.TupleCode	A code that evaluates expressions and creates a tuple with the results.
(package private) static class	Codes.UnionRowSink	Implementation of Codes.RowSink for a union step.
private static class	Codes.VectorUpdate	Implements BuiltIn.VECTOR_UPDATE.
(package private) static class	Codes.WhereRowSink	Implementation of Codes.RowSink for a where step.
(package private) static class	Codes.WrapRelList	A Code that evaluates a Code and if the result is a RelList, wraps it in a different kind of list.
private static class	Codes.YieldRowSink	Implementation of Codes.RowSink for a yield step.

Methods in net.hydromatic.morel.eval with parameters of type Describable

Modifier and Type	Method	Description
Describer.Detail	Describer.Detail.arg(String name, Describable describable)	Prints a complex argument.
Describer.Detail	DescriberImpl.DetailImpl.arg(String name, Describable describable)
default Describer.Detail	Describer.Detail.argIf(String name, Describable describable, boolean condition)	Prints an argument if the condition is true.

Uses of Describable in net.hydromatic.morel.foreign

Classes in net.hydromatic.morel.foreign that implement Describable

Modifier and Type	Class	Description
private static class	Calcite.CalciteCode	Evaluates a Calcite relational expression, converting it to Morel list type type.