Package io.trino.metadata

Class FunctionResolver

java.lang.Object

io.trino.metadata.FunctionResolver

public class FunctionResolver
extends Object

Constructor Summary

Constructors

Constructor	Description
FunctionResolver(Metadata metadata, TypeManager typeManager, LanguageFunctionManager languageFunctionManager, WarningCollector warningCollector)

Method Summary

Modifier and Type	Method	Description
boolean	isAggregationFunction(Session session, QualifiedName name, AccessControl accessControl)	Is the named function an aggregation function? This does not need type parameters because overloads between aggregation and other function types are not allowed.
boolean	isWindowFunction(Session session, QualifiedName name, AccessControl accessControl)
ResolvedFunction	resolveFunction(Session session, QualifiedName name, List<TypeSignatureProvider> parameterTypes, AccessControl accessControl)
static List<CatalogSchemaFunctionName>	toPath(Session session, QualifiedName name, AccessControl accessControl)

Methods inherited from class java.lang.Object

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

Constructor Details

FunctionResolver

public FunctionResolver(Metadata metadata,
 TypeManager typeManager,
 LanguageFunctionManager languageFunctionManager,
 WarningCollector warningCollector)

Method Details

isAggregationFunction

public boolean isAggregationFunction(Session session,
 QualifiedName name,
 AccessControl accessControl)

Is the named function an aggregation function? This does not need type parameters because overloads between aggregation and other function types are not allowed.

isWindowFunction

public boolean isWindowFunction(Session session,
 QualifiedName name,
 AccessControl accessControl)

resolveFunction

public ResolvedFunction resolveFunction(Session session,
 QualifiedName name,
 List<TypeSignatureProvider> parameterTypes,
 AccessControl accessControl)

toPath

public static List<CatalogSchemaFunctionName> toPath(Session session,
 QualifiedName name,
 AccessControl accessControl)