Package org.apache.drill.exec.expr.fn.interpreter

Class InterpreterEvaluator.EvalVisitor

java.lang.Object

org.apache.drill.common.expression.visitors.AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

org.apache.drill.exec.expr.fn.interpreter.InterpreterEvaluator.EvalVisitor

All Implemented Interfaces:

ExprVisitor<ValueHolder,Integer,RuntimeException>

Enclosing class:

InterpreterEvaluator

public static class InterpreterEvaluator.EvalVisitor
extends AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	InterpreterEvaluator.EvalVisitor.Trivalent

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EvalVisitor(VectorAccessible incoming, UdfUtilities udfUtilities)

Method Summary

Modifier and Type	Method	Description
ValueHolder	visitBooleanConstant(ValueExpressions.BooleanExpression e, Integer value)
ValueHolder	visitBooleanOperator(BooleanOperator op, Integer inIndex)
ValueHolder	visitConvertExpression(ConvertExpression e, Integer value)
ValueHolder	visitDateConstant(ValueExpressions.DateExpression dateExpr, Integer value)
ValueHolder	visitDecimal18Constant(ValueExpressions.Decimal18Expression decExpr, Integer value)
ValueHolder	visitDecimal28Constant(ValueExpressions.Decimal28Expression decExpr, Integer value)
ValueHolder	visitDecimal38Constant(ValueExpressions.Decimal38Expression decExpr, Integer value)
ValueHolder	visitDecimal9Constant(ValueExpressions.Decimal9Expression decExpr, Integer value)
ValueHolder	visitDoubleConstant(ValueExpressions.DoubleExpression dExpr, Integer value)
ValueHolder	visitFloatConstant(ValueExpressions.FloatExpression fExpr, Integer value)
ValueHolder	visitFunctionCall(FunctionCall call, Integer value)
ValueHolder	visitFunctionHolderExpression(FunctionHolderExpression holderExpr, Integer inIndex)
ValueHolder	visitIfExpression(IfExpression ifExpr, Integer inIndex)
ValueHolder	visitIntConstant(ValueExpressions.IntExpression e, Integer inIndex)
ValueHolder	visitIntervalDayConstant(ValueExpressions.IntervalDayExpression intExpr, Integer value)
ValueHolder	visitIntervalYearConstant(ValueExpressions.IntervalYearExpression intExpr, Integer value)
ValueHolder	visitLongConstant(ValueExpressions.LongExpression intExpr, Integer value)
ValueHolder	visitNullConstant(TypedNullConstant e, Integer value)
ValueHolder	visitNullExpression(NullExpression e, Integer value)
ValueHolder	visitQuotedStringConstant(ValueExpressions.QuotedString e, Integer value)
ValueHolder	visitSchemaPath(SchemaPath path, Integer value)
ValueHolder	visitTimeConstant(ValueExpressions.TimeExpression timeExpr, Integer value)
ValueHolder	visitTimeStampConstant(ValueExpressions.TimeStampExpression timestampExpr, Integer value)
ValueHolder	visitUnknown(LogicalExpression e, Integer inIndex)	Handles implementation-specific expressions not known to the visitor structure.
protected ValueHolder	visitValueVectorReadExpression(ValueVectorReadExpression e, Integer inIndex)
ValueHolder	visitVarDecimalConstant(ValueExpressions.VarDecimalExpression decExpr, Integer value)

Methods inherited from class org.apache.drill.common.expression.visitors.AbstractExprVisitor

visitAnyValueExpression, visitCastExpression, visitParameter, visitTypedFieldExpr

Methods inherited from class java.lang.Object

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

Constructor Details

EvalVisitor

protected EvalVisitor(VectorAccessible incoming,
 UdfUtilities udfUtilities)

Method Details

visitFunctionCall

public ValueHolder visitFunctionCall(FunctionCall call,
 Integer value)
                              throws RuntimeException

Specified by:

visitFunctionCall in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitFunctionCall in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitSchemaPath

public ValueHolder visitSchemaPath(SchemaPath path,
 Integer value)
                            throws RuntimeException

Specified by:

visitSchemaPath in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitSchemaPath in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitDecimal9Constant

public ValueHolder visitDecimal9Constant(ValueExpressions.Decimal9Expression decExpr,
 Integer value)
                                  throws RuntimeException

Specified by:

visitDecimal9Constant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitDecimal9Constant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitDecimal18Constant

public ValueHolder visitDecimal18Constant(ValueExpressions.Decimal18Expression decExpr,
 Integer value)
                                   throws RuntimeException

Specified by:

visitDecimal18Constant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitDecimal18Constant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitDecimal28Constant

public ValueHolder visitDecimal28Constant(ValueExpressions.Decimal28Expression decExpr,
 Integer value)
                                   throws RuntimeException

Specified by:

visitDecimal28Constant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitDecimal28Constant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitDecimal38Constant

public ValueHolder visitDecimal38Constant(ValueExpressions.Decimal38Expression decExpr,
 Integer value)
                                   throws RuntimeException

Specified by:

visitDecimal38Constant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitDecimal38Constant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitVarDecimalConstant

public ValueHolder visitVarDecimalConstant(ValueExpressions.VarDecimalExpression decExpr,
 Integer value)
                                    throws RuntimeException

Specified by:

visitVarDecimalConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitVarDecimalConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitDateConstant

public ValueHolder visitDateConstant(ValueExpressions.DateExpression dateExpr,
 Integer value)
                              throws RuntimeException

Specified by:

visitDateConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitDateConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitTimeConstant

public ValueHolder visitTimeConstant(ValueExpressions.TimeExpression timeExpr,
 Integer value)
                              throws RuntimeException

Specified by:

visitTimeConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitTimeConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitTimeStampConstant

public ValueHolder visitTimeStampConstant(ValueExpressions.TimeStampExpression timestampExpr,
 Integer value)
                                   throws RuntimeException

Specified by:

visitTimeStampConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitTimeStampConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitIntervalYearConstant

public ValueHolder visitIntervalYearConstant(ValueExpressions.IntervalYearExpression intExpr,
 Integer value)
                                      throws RuntimeException

Specified by:

visitIntervalYearConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitIntervalYearConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitIntervalDayConstant

public ValueHolder visitIntervalDayConstant(ValueExpressions.IntervalDayExpression intExpr,
 Integer value)
                                     throws RuntimeException

Specified by:

visitIntervalDayConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitIntervalDayConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitBooleanConstant

public ValueHolder visitBooleanConstant(ValueExpressions.BooleanExpression e,
 Integer value)
                                 throws RuntimeException

Specified by:

visitBooleanConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitBooleanConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitNullConstant

public ValueHolder visitNullConstant(TypedNullConstant e,
 Integer value)
                              throws RuntimeException

Specified by:

visitNullConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitNullConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitConvertExpression

public ValueHolder visitConvertExpression(ConvertExpression e,
 Integer value)
                                   throws RuntimeException

Specified by:

visitConvertExpression in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitConvertExpression in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitNullExpression

public ValueHolder visitNullExpression(NullExpression e,
 Integer value)
                                throws RuntimeException

Specified by:

visitNullExpression in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitNullExpression in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitFunctionHolderExpression

public ValueHolder visitFunctionHolderExpression(FunctionHolderExpression holderExpr,
 Integer inIndex)

Specified by:

visitFunctionHolderExpression in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitFunctionHolderExpression in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

visitBooleanOperator

public ValueHolder visitBooleanOperator(BooleanOperator op,
 Integer inIndex)

Specified by:

visitBooleanOperator in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitBooleanOperator in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

visitIfExpression

public ValueHolder visitIfExpression(IfExpression ifExpr,
 Integer inIndex)
                              throws RuntimeException

Specified by:

visitIfExpression in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitIfExpression in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitIntConstant

public ValueHolder visitIntConstant(ValueExpressions.IntExpression e,
 Integer inIndex)
                             throws RuntimeException

Specified by:

visitIntConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitIntConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitFloatConstant

public ValueHolder visitFloatConstant(ValueExpressions.FloatExpression fExpr,
 Integer value)
                               throws RuntimeException

Specified by:

visitFloatConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitFloatConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitLongConstant

public ValueHolder visitLongConstant(ValueExpressions.LongExpression intExpr,
 Integer value)
                              throws RuntimeException

Specified by:

visitLongConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitLongConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitDoubleConstant

public ValueHolder visitDoubleConstant(ValueExpressions.DoubleExpression dExpr,
 Integer value)
                                throws RuntimeException

Specified by:

visitDoubleConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitDoubleConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitQuotedStringConstant

public ValueHolder visitQuotedStringConstant(ValueExpressions.QuotedString e,
 Integer value)
                                      throws RuntimeException

Specified by:

visitQuotedStringConstant in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitQuotedStringConstant in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitUnknown

public ValueHolder visitUnknown(LogicalExpression e,
 Integer inIndex)
                         throws RuntimeException

Description copied from class: AbstractExprVisitor

Handles implementation-specific expressions not known to the visitor structure. Since there are no "visitFoo" methods for these "unknown" expressions, subclassses should use the functionally-equivalent instanceof approach to parse out these "unknown" expressions.

Specified by:

visitUnknown in interface ExprVisitor<ValueHolder,Integer,RuntimeException>

Overrides:

visitUnknown in class AbstractExprVisitor<ValueHolder,Integer,RuntimeException>

Throws:

RuntimeException

visitValueVectorReadExpression

protected ValueHolder visitValueVectorReadExpression(ValueVectorReadExpression e,
 Integer inIndex)
                                              throws RuntimeException

Throws:

RuntimeException