io.crate.planner.fetch

Class FetchRequiredVisitor

java.lang.Object

io.crate.analyze.symbol.SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

io.crate.planner.fetch.FetchRequiredVisitor

public class FetchRequiredVisitor
extends SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FetchRequiredVisitor.Context

Field Summary

Fields

Modifier and Type	Field and Description
static FetchRequiredVisitor	INSTANCE

Method Summary

Methods

Modifier and Type	Method and Description
boolean	process(java.util.List<Symbol> symbols, FetchRequiredVisitor.Context context)
java.lang.Boolean	visitAggregation(Aggregation symbol, FetchRequiredVisitor.Context context)
java.lang.Boolean	visitDynamicReference(DynamicReference symbol, FetchRequiredVisitor.Context context)
java.lang.Boolean	visitField(Field field, FetchRequiredVisitor.Context context)
java.lang.Boolean	visitFunction(Function symbol, FetchRequiredVisitor.Context context)
java.lang.Boolean	visitReference(Reference symbol, FetchRequiredVisitor.Context context)
protected java.lang.Boolean	visitSymbol(Symbol symbol, FetchRequiredVisitor.Context context)

Methods inherited from class io.crate.analyze.symbol.SymbolVisitor

process, visitFetchReference, visitInputColumn, visitLiteral, visitMatchPredicate, visitRelationColumn, visitValue

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final FetchRequiredVisitor INSTANCE

Method Detail

process

public boolean process(java.util.List<Symbol> symbols,
              FetchRequiredVisitor.Context context)

visitReference

public java.lang.Boolean visitReference(Reference symbol,
                               FetchRequiredVisitor.Context context)

Overrides:

visitReference in class SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

visitField

public java.lang.Boolean visitField(Field field,
                           FetchRequiredVisitor.Context context)

Overrides:

visitField in class SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

visitDynamicReference

public java.lang.Boolean visitDynamicReference(DynamicReference symbol,
                                      FetchRequiredVisitor.Context context)

Overrides:

visitDynamicReference in class SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

visitSymbol

protected java.lang.Boolean visitSymbol(Symbol symbol,
                            FetchRequiredVisitor.Context context)

Overrides:

visitSymbol in class SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

visitAggregation

public java.lang.Boolean visitAggregation(Aggregation symbol,
                                 FetchRequiredVisitor.Context context)

Overrides:

visitAggregation in class SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>

visitFunction

public java.lang.Boolean visitFunction(Function symbol,
                              FetchRequiredVisitor.Context context)

Overrides:

visitFunction in class SymbolVisitor<FetchRequiredVisitor.Context,java.lang.Boolean>