Uses of Class
org.apache.drill.exec.expr.fn.DrillFuncHolder

Packages that use DrillFuncHolder

Package	Description
org.apache.drill.exec.expr	Drill expression materialization and evaluation facilities.
org.apache.drill.exec.expr.fn
org.apache.drill.exec.expr.fn.registry
org.apache.drill.exec.planner.sql
org.apache.drill.exec.resolver

Uses of DrillFuncHolder in org.apache.drill.exec.expr

Methods in org.apache.drill.exec.expr that return DrillFuncHolder

Modifier and Type	Method	Description
DrillFuncHolder	DrillFuncHolderExpr.getHolder()

Constructors in org.apache.drill.exec.expr with parameters of type DrillFuncHolder

Modifier	Constructor	Description
	DrillFuncHolderExpr(String nameUsed, DrillFuncHolder holder, List<LogicalExpression> args, ExpressionPosition pos)

Uses of DrillFuncHolder in org.apache.drill.exec.expr.fn

Subclasses of DrillFuncHolder in org.apache.drill.exec.expr.fn

Modifier and Type	Class	Description
class	DrillComplexWriterAggFuncHolder
class	DrillComplexWriterFuncHolder
class	DrillSimpleFuncHolder	Definition of a Drill function defined using the @FunctionTemplate annotation of the class which implements the function.

Methods in org.apache.drill.exec.expr.fn that return DrillFuncHolder

Modifier and Type	Method	Description
DrillFuncHolder	FunctionImplementationRegistry.findDrillFunction(FunctionResolver functionResolver, FunctionCall functionCall)	First attempts to find the Drill function implementation that matches the name, arg types and return type.
DrillFuncHolder	FunctionLookupContext.findDrillFunction(FunctionResolver functionResolver, FunctionCall functionCall)	Method returns the materialized drill function corresponding to the functioncall that is passed in
DrillFuncHolder	FunctionImplementationRegistry.findExactMatchingDrillFunction(String name, List<TypeProtos.MajorType> argTypes, TypeProtos.MajorType returnType)	Finds the Drill function implementation that matches the name, arg types and return type.
DrillFuncHolder	FunctionConverter.getHolder(AnnotatedClassDescriptor func, ClassLoader classLoader)

Uses of DrillFuncHolder in org.apache.drill.exec.expr.fn.registry

Methods in org.apache.drill.exec.expr.fn.registry that return DrillFuncHolder

Modifier and Type	Method	Description
DrillFuncHolder	FunctionHolder.getHolder()

Methods in org.apache.drill.exec.expr.fn.registry that return types with arguments of type DrillFuncHolder

Modifier and Type	Method	Description
com.google.common.collect.ListMultimap<String,DrillFuncHolder>	FunctionRegistryHolder.getAllFunctionsWithHolders()	Returns list of functions with list of function holders for each functions without version number.
com.google.common.collect.ListMultimap<String,DrillFuncHolder>	FunctionRegistryHolder.getAllFunctionsWithHolders(AtomicInteger version)	Returns list of functions with list of function holders for each functions.
List<DrillFuncHolder>	FunctionRegistryHolder.getHoldersByFunctionName(String functionName)	Returns all function holders associated with function name without version number.
List<DrillFuncHolder>	FunctionRegistryHolder.getHoldersByFunctionName(String functionName, AtomicInteger version)	Returns all function holders associated with function name.
List<DrillFuncHolder>	LocalFunctionRegistry.getMethods(String name)
List<DrillFuncHolder>	LocalFunctionRegistry.getMethods(String name, AtomicInteger version)

Constructors in org.apache.drill.exec.expr.fn.registry with parameters of type DrillFuncHolder

Modifier	Constructor	Description
	FunctionHolder(String name, String signature, DrillFuncHolder holder)

Uses of DrillFuncHolder in org.apache.drill.exec.planner.sql

Methods in org.apache.drill.exec.planner.sql that return types with arguments of type DrillFuncHolder

Modifier and Type	Method	Description
List<DrillFuncHolder>	DrillSqlAggOperator.getFunctions()
List<DrillFuncHolder>	DrillSqlOperator.getFunctions()

Method parameters in org.apache.drill.exec.planner.sql with type arguments of type DrillFuncHolder

Modifier and Type	Method	Description
DrillSqlAggOperator.DrillSqlAggOperatorBuilder	DrillSqlAggOperator.DrillSqlAggOperatorBuilder.addFunctions(Collection<DrillFuncHolder> functions)
DrillSqlOperator.DrillSqlOperatorBuilder	DrillSqlOperator.DrillSqlOperatorBuilder.addFunctions(Collection<DrillFuncHolder> functions)
static org.apache.calcite.sql.type.SqlReturnTypeInference	TypeInferenceUtils.getDrillSqlReturnTypeInference(String name, List<DrillFuncHolder> functions)	Give the name and DrillFuncHolder list, return the inference mechanism.

Constructor parameters in org.apache.drill.exec.planner.sql with type arguments of type DrillFuncHolder

Modifier	Constructor	Description
	DrillCalciteSqlAggFunctionWrapper(org.apache.calcite.sql.SqlAggFunction sqlAggFunction, List<DrillFuncHolder> functions)
	DrillCalciteSqlFunctionWrapper(org.apache.calcite.sql.SqlFunction wrappedFunction, List<DrillFuncHolder> functions)
	DrillCalciteSqlOperatorWrapper(org.apache.calcite.sql.SqlOperator operator, String rename, List<DrillFuncHolder> functions)
	DrillCalciteSqlSumEmptyIsZeroAggFunctionWrapper(org.apache.calcite.sql.fun.SqlSumEmptyIsZeroAggFunction sqlAggFunction, List<DrillFuncHolder> functions)
protected	DrillSqlAggOperator(String name, List<DrillFuncHolder> functions, org.apache.calcite.sql.type.SqlOperandTypeChecker operandTypeChecker, org.apache.calcite.sql.type.SqlReturnTypeInference sqlReturnTypeInference)
protected	DrillSqlOperator(String name, List<DrillFuncHolder> functions, org.apache.calcite.sql.type.SqlOperandTypeChecker operandTypeChecker, boolean isDeterministic, org.apache.calcite.sql.type.SqlReturnTypeInference sqlReturnTypeInference, boolean isNiladic)

Uses of DrillFuncHolder in org.apache.drill.exec.resolver

Methods in org.apache.drill.exec.resolver that return DrillFuncHolder

Modifier and Type	Method	Description
DrillFuncHolder	DefaultFunctionResolver.getBestMatch(List<DrillFuncHolder> methods, FunctionCall call)
DrillFuncHolder	ExactFunctionResolver.getBestMatch(List<DrillFuncHolder> methods, FunctionCall call)
DrillFuncHolder	FunctionResolver.getBestMatch(List<DrillFuncHolder> methods, FunctionCall call)	Creates a placeholder SqlFunction for an invocation of a function with a possibly qualified name.

Methods in org.apache.drill.exec.resolver with parameters of type DrillFuncHolder

Modifier and Type	Method	Description
static float	TypeCastRules.getCost(List<TypeProtos.MajorType> argumentTypes, DrillFuncHolder holder)	Decide whether it's legal to do implicit cast.

Method parameters in org.apache.drill.exec.resolver with type arguments of type DrillFuncHolder

Modifier and Type	Method	Description
DrillFuncHolder	DefaultFunctionResolver.getBestMatch(List<DrillFuncHolder> methods, FunctionCall call)
DrillFuncHolder	ExactFunctionResolver.getBestMatch(List<DrillFuncHolder> methods, FunctionCall call)
DrillFuncHolder	FunctionResolver.getBestMatch(List<DrillFuncHolder> methods, FunctionCall call)	Creates a placeholder SqlFunction for an invocation of a function with a possibly qualified name.