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 clause.

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.
private static class	Codes.CollectRowSink	Implementation of Codes.RowSink that the last step of a from writes into.
private static class	Codes.ConstantCode	Code that implements a constant.
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 clause.
private static class	Codes.InteractUse	Implements BuiltIn.INTERACT_USE.
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 clause.
private static class	Codes.OrElseCode	Code that implements Codes.orElse(Code, Code).
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 clause.
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.
static class	Codes.TupleCode	A code that evaluates expressions and creates a tuple with the results.
private static class	Codes.VectorUpdate	Implements BuiltIn.VECTOR_UPDATE.
(package private) static class	Codes.WhereRowSink	Implementation of Codes.RowSink for a where clause.
(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)
Describer.Detail	DescriberImpl.DetailImpl.arg(String name, Describable describable)
default Describer.Detail	Describer.Detail.argIf(String name, Describable describable, boolean condition)

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.