Uses of Interface
org.apache.drill.exec.expr.holders.ValueHolder

Packages that use ValueHolder

Package	Description
org.apache.drill.exec.expr	Drill expression materialization and evaluation facilities.
org.apache.drill.exec.expr.fn.impl.hive
org.apache.drill.exec.expr.fn.interpreter
org.apache.drill.exec.expr.holders
org.apache.drill.exec.ops
org.apache.drill.exec.vector
org.apache.drill.exec.vector.complex.impl
org.apache.drill.test	Provides a variety of test framework tools to simplify Drill unit tests and ad-hoc tests created while developing features.

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

Methods in org.apache.drill.exec.expr that return types with arguments of type ValueHolder

Modifier and Type	Method and Description
Map<org.apache.calcite.util.Pair<Integer,com.sun.codemodel.JVar>,org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,? extends ValueHolder>>	ClassGenerator.getConstantVars()

Method parameters in org.apache.drill.exec.expr with type arguments of type ValueHolder

Modifier and Type	Method and Description
org.apache.calcite.util.Pair<Integer,com.sun.codemodel.JVar>	ClassGenerator.declareClassConstField(String prefix, com.sun.codemodel.JType t, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,? extends ValueHolder> function)
org.apache.calcite.util.Pair<Integer,com.sun.codemodel.JVar>	ClassGenerator.declareClassConstField(String prefix, com.sun.codemodel.JType t, com.sun.codemodel.JExpression init, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,? extends ValueHolder> function) Declare a constant field for the class.

Uses of ValueHolder in org.apache.drill.exec.expr.fn.impl.hive

Fields in org.apache.drill.exec.expr.fn.impl.hive declared as ValueHolder

Modifier and Type	Field and Description
ValueHolder	DrillDeferredObject.valueHolder

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

Methods in org.apache.drill.exec.expr.fn.interpreter that return ValueHolder

Modifier and Type	Method and Description
static ValueHolder	InterpreterEvaluator.evaluateConstantExpr(UdfUtilities udfUtilities, LogicalExpression expr)
static ValueHolder	InterpreterEvaluator.evaluateFunction(DrillSimpleFunc interpreter, Object[] args, String funcName) Assigns specified Object[] args to the function arguments, evaluates function and returns its result.
ValueHolder	InterpreterEvaluator.EvalVisitor.visitBooleanConstant(ValueExpressions.BooleanExpression e, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitBooleanOperator(BooleanOperator op, Integer inIndex)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitConvertExpression(ConvertExpression e, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitDateConstant(ValueExpressions.DateExpression dateExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitDecimal18Constant(ValueExpressions.Decimal18Expression decExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitDecimal28Constant(ValueExpressions.Decimal28Expression decExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitDecimal38Constant(ValueExpressions.Decimal38Expression decExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitDecimal9Constant(ValueExpressions.Decimal9Expression decExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitDoubleConstant(ValueExpressions.DoubleExpression dExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitFloatConstant(ValueExpressions.FloatExpression fExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitFunctionCall(FunctionCall call, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitFunctionHolderExpression(FunctionHolderExpression holderExpr, Integer inIndex)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitIfExpression(IfExpression ifExpr, Integer inIndex)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitIntConstant(ValueExpressions.IntExpression e, Integer inIndex)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitIntervalDayConstant(ValueExpressions.IntervalDayExpression intExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitIntervalYearConstant(ValueExpressions.IntervalYearExpression intExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitLongConstant(ValueExpressions.LongExpression intExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitNullConstant(TypedNullConstant e, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitNullExpression(NullExpression e, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitQuotedStringConstant(ValueExpressions.QuotedString e, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitSchemaPath(SchemaPath path, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitTimeConstant(ValueExpressions.TimeExpression timeExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitTimeStampConstant(ValueExpressions.TimeStampExpression timestampExpr, Integer value)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitUnknown(LogicalExpression e, Integer inIndex)
protected ValueHolder	InterpreterEvaluator.EvalVisitor.visitValueVectorReadExpression(ValueVectorReadExpression e, Integer inIndex)
ValueHolder	InterpreterEvaluator.EvalVisitor.visitVarDecimalConstant(ValueExpressions.VarDecimalExpression decExpr, Integer value)

Uses of ValueHolder in org.apache.drill.exec.expr.holders

Classes in org.apache.drill.exec.expr.holders that implement ValueHolder

Modifier and Type	Class and Description
class	ComplexHolder
class	DictHolder
class	ListHolder
class	MapHolder
class	ObjectHolder Deprecated.
class	RepeatedDictHolder
class	RepeatedListHolder
class	RepeatedMapHolder
class	RepeatedValueHolder
class	UnionHolder

Uses of ValueHolder in org.apache.drill.exec.ops

Methods in org.apache.drill.exec.ops that return ValueHolder

Modifier and Type	Method and Description
ValueHolder	FragmentContextImpl.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer)
ValueHolder	QueryContext.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer)
ValueHolder	UdfUtilities.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer) Works with value holders cache which holds constant value and its wrapper by type.

Method parameters in org.apache.drill.exec.ops with type arguments of type ValueHolder

Modifier and Type	Method and Description
ValueHolder	FragmentContextImpl.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer)
ValueHolder	QueryContext.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer)
ValueHolder	UdfUtilities.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer) Works with value holders cache which holds constant value and its wrapper by type.

Uses of ValueHolder in org.apache.drill.exec.vector

Classes in org.apache.drill.exec.vector that implement ValueHolder

Modifier and Type	Class and Description
class	UntypedNullHolder

Uses of ValueHolder in org.apache.drill.exec.vector.complex.impl

Methods in org.apache.drill.exec.vector.complex.impl with parameters of type ValueHolder

Modifier and Type	Method and Description
void	SingleDictReaderImpl.read(int key, ValueHolder holder)
void	SingleDictReaderImpl.read(Object key, ValueHolder holder)
void	SingleDictReaderImpl.read(String key, ValueHolder holder)

Uses of ValueHolder in org.apache.drill.test

Methods in org.apache.drill.test that return ValueHolder

Modifier and Type	Method and Description
ValueHolder	OperatorFixture.MockFragmentContext.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer)

Method parameters in org.apache.drill.test with type arguments of type ValueHolder

Modifier and Type	Method and Description
ValueHolder	OperatorFixture.MockFragmentContext.getConstantValueHolder(String value, TypeProtos.MinorType type, org.apache.drill.shaded.guava.com.google.common.base.Function<DrillBuf,ValueHolder> holderInitializer)