Uses of Class
org.apache.drill.common.expression.FunctionHolderExpression

Packages that use FunctionHolderExpression

Package	Description
org.apache.drill.common.expression	Logical expression tree representation.
org.apache.drill.common.expression.fn	Logical function definitions.
org.apache.drill.common.expression.visitors	Visitors for validating or optimizing logical expressions.
org.apache.drill.exec.compile.sig	TODO - write docs for this package
org.apache.drill.exec.expr	Drill expression materialization and evaluation facilities.
org.apache.drill.exec.expr.fn
org.apache.drill.exec.expr.fn.interpreter
org.apache.drill.exec.physical.impl.project
org.apache.drill.exec.planner.index

Uses of FunctionHolderExpression in org.apache.drill.common.expression

Methods in org.apache.drill.common.expression that return FunctionHolderExpression

Modifier and Type	Method and Description
abstract FunctionHolderExpression	FunctionHolderExpression.copy(List<LogicalExpression> args)

Methods in org.apache.drill.common.expression with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
Void	ExpressionStringBuilder.visitFunctionHolderExpression(FunctionHolderExpression holder, StringBuilder sb)

Uses of FunctionHolderExpression in org.apache.drill.common.expression.fn

Methods in org.apache.drill.common.expression.fn that return FunctionHolderExpression

Modifier and Type	Method and Description
FunctionHolderExpression	FuncHolder.getExpr(String name, List<LogicalExpression> args, ExpressionPosition pos) Return a reference to this function given a function alias and a list of actual arguments.

Uses of FunctionHolderExpression in org.apache.drill.common.expression.visitors

Methods in org.apache.drill.common.expression.visitors with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
abstract T	SimpleExprVisitor.visitFunctionHolderExpression(FunctionHolderExpression call)
Boolean	AggregateChecker.visitFunctionHolderExpression(FunctionHolderExpression holder, ErrorCollector errors)
Void	ExpressionValidator.visitFunctionHolderExpression(FunctionHolderExpression holder, ErrorCollector errors)
T	AbstractExprVisitor.visitFunctionHolderExpression(FunctionHolderExpression holder, VAL value)
T	ExprVisitor.visitFunctionHolderExpression(FunctionHolderExpression holder, VAL value)
LogicalExpression	ConditionalExprOptimizer.visitFunctionHolderExpression(FunctionHolderExpression holder, Void value)
T	SimpleExprVisitor.visitFunctionHolderExpression(FunctionHolderExpression holder, Void value)

Uses of FunctionHolderExpression in org.apache.drill.exec.compile.sig

Methods in org.apache.drill.exec.compile.sig with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
Boolean	ConstantExpressionIdentifier.visitFunctionHolderExpression(FunctionHolderExpression holder, IdentityHashMap<LogicalExpression,Object> value)

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

Subclasses of FunctionHolderExpression in org.apache.drill.exec.expr

Modifier and Type	Class and Description
class	DrillFuncHolderExpr Represents the call of a function within a query and includes the actual arguments and a reference to the function declaration (as a "function holder.")
class	HiveFuncHolderExpr

Methods in org.apache.drill.exec.expr with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
LogicalExpression	FilterBuilder.visitFunctionHolderExpression(FunctionHolderExpression funcHolderExpr, Set<LogicalExpression> value)
LogicalExpression	CloneVisitor.visitFunctionHolderExpression(FunctionHolderExpression holder, Void value)
Integer	HashVisitor.visitFunctionHolderExpression(FunctionHolderExpression holder, Void value)
ColumnStatistics<?>	StatisticsProvider.visitFunctionHolderExpression(FunctionHolderExpression holderExpr, Void value)

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

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

Modifier and Type	Method and Description
FunctionHolderExpression	DrillFuncHolder.getExpr(String name, List<LogicalExpression> args, ExpressionPosition pos)
FunctionHolderExpression	HiveFuncHolder.getExpr(String name, List<LogicalExpression> args, ExpressionPosition pos)

Methods in org.apache.drill.exec.expr.fn with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
protected ClassGenerator.HoldingContainer	DrillSimpleFuncHolder.generateEvalBody(ClassGenerator<?> g, ClassGenerator.HoldingContainer[] inputVariables, String body, com.sun.codemodel.JVar[] workspaceJVars, FunctionHolderExpression holderExpr) Generate the eval block for a simple function, including the null-handling wrapper, if requested.
protected ClassGenerator.HoldingContainer	DrillComplexWriterFuncHolder.generateEvalBody(ClassGenerator<?> classGenerator, ClassGenerator.HoldingContainer[] inputVariables, String body, com.sun.codemodel.JVar[] workspaceJVars, FunctionHolderExpression holderExpr)
abstract ClassGenerator.HoldingContainer	AbstractFuncHolder.renderEnd(ClassGenerator<?> classGenerator, ClassGenerator.HoldingContainer[] inputVariables, com.sun.codemodel.JVar[] workspaceJVars, FunctionHolderExpression holderExpr) Generate methods body and complete the code generation.
ClassGenerator.HoldingContainer	DrillComplexWriterAggFuncHolder.renderEnd(ClassGenerator<?> classGenerator, ClassGenerator.HoldingContainer[] inputVariables, com.sun.codemodel.JVar[] workspaceJVars, FunctionHolderExpression holderExpr)
ClassGenerator.HoldingContainer	DrillSimpleFuncHolder.renderEnd(ClassGenerator<?> classGenerator, ClassGenerator.HoldingContainer[] inputVariables, com.sun.codemodel.JVar[] workspaceJVars, FunctionHolderExpression holderExpr) Render the various code blocks for a simple function.
ClassGenerator.HoldingContainer	HiveFuncHolder.renderEnd(ClassGenerator<?> classGenerator, ClassGenerator.HoldingContainer[] inputVariables, com.sun.codemodel.JVar[] workspaceJVars, FunctionHolderExpression holderExpr)

Uses of FunctionHolderExpression in org.apache.drill.exec.expr.fn.interpreter

Methods in org.apache.drill.exec.expr.fn.interpreter with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
ValueHolder	InterpreterEvaluator.EvalVisitor.visitFunctionHolderExpression(FunctionHolderExpression holderExpr, Integer inIndex)

Uses of FunctionHolderExpression in org.apache.drill.exec.physical.impl.project

Methods in org.apache.drill.exec.physical.impl.project that return FunctionHolderExpression

Modifier and Type	Method and Description
FunctionHolderExpression	OutputWidthExpression.FunctionCallExpr.getHolder()

Methods in org.apache.drill.exec.physical.impl.project with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
OutputWidthExpression	OutputWidthVisitor.visitFunctionHolderExpression(FunctionHolderExpression holderExpr, OutputWidthVisitorState state) Handles a FunctionHolderExpression.

Constructors in org.apache.drill.exec.physical.impl.project with parameters of type FunctionHolderExpression

Constructor and Description
FunctionCallExpr(FunctionHolderExpression holder, OutputWidthCalculator widthCalculator, ArrayList<OutputWidthExpression> args)

Uses of FunctionHolderExpression in org.apache.drill.exec.planner.index

Methods in org.apache.drill.exec.planner.index with parameters of type FunctionHolderExpression

Modifier and Type	Method and Description
Boolean	PathInExpr.visitFunctionHolderExpression(FunctionHolderExpression holder, Void value)