org.apache.drill.exec.expr.stat

Class RangeExprEvaluator

java.lang.Object

org.apache.drill.common.expression.visitors.AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

org.apache.drill.exec.expr.stat.RangeExprEvaluator

All Implemented Interfaces:

ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

public class RangeExprEvaluator
extends AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Constructor Summary

Constructors

Constructor and Description
RangeExprEvaluator(Map<SchemaPath,ColumnStatistics> columnStatMap, long rowCount)

Method Summary

Methods

Modifier and Type	Method and Description
long	getRowCount()
org.apache.parquet.column.statistics.Statistics	visitDateConstant(ValueExpressions.DateExpression expr, Void value)
org.apache.parquet.column.statistics.Statistics	visitDoubleConstant(ValueExpressions.DoubleExpression expr, Void value)
org.apache.parquet.column.statistics.Statistics	visitFloatConstant(ValueExpressions.FloatExpression expr, Void value)
org.apache.parquet.column.statistics.Statistics	visitFunctionHolderExpression(FunctionHolderExpression holderExpr, Void value)
org.apache.parquet.column.statistics.Statistics	visitIntConstant(ValueExpressions.IntExpression expr, Void value)
org.apache.parquet.column.statistics.Statistics	visitLongConstant(ValueExpressions.LongExpression expr, Void value)
org.apache.parquet.column.statistics.Statistics	visitTimeConstant(ValueExpressions.TimeExpression timeExpr, Void value)
org.apache.parquet.column.statistics.Statistics	visitTimeStampConstant(ValueExpressions.TimeStampExpression tsExpr, Void value)
org.apache.parquet.column.statistics.Statistics	visitUnknown(LogicalExpression e, Void value)

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

visitBooleanConstant, visitBooleanOperator, visitCastExpression, visitConvertExpression, visitDecimal18Constant, visitDecimal28Constant, visitDecimal38Constant, visitDecimal9Constant, visitFunctionCall, visitIfExpression, visitIntervalDayConstant, visitIntervalYearConstant, visitNullConstant, visitNullExpression, visitQuotedStringConstant, visitSchemaPath

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeExprEvaluator

public RangeExprEvaluator(Map<SchemaPath,ColumnStatistics> columnStatMap,
                  long rowCount)

Method Detail

getRowCount

public long getRowCount()

visitUnknown

public org.apache.parquet.column.statistics.Statistics visitUnknown(LogicalExpression e,
                                                           Void value)
                                                             throws RuntimeException

Specified by:

visitUnknown in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitUnknown in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitIntConstant

public org.apache.parquet.column.statistics.Statistics visitIntConstant(ValueExpressions.IntExpression expr,
                                                               Void value)
                                                                 throws RuntimeException

Specified by:

visitIntConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitIntConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitLongConstant

public org.apache.parquet.column.statistics.Statistics visitLongConstant(ValueExpressions.LongExpression expr,
                                                                Void value)
                                                                  throws RuntimeException

Specified by:

visitLongConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitLongConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitFloatConstant

public org.apache.parquet.column.statistics.Statistics visitFloatConstant(ValueExpressions.FloatExpression expr,
                                                                 Void value)
                                                                   throws RuntimeException

Specified by:

visitFloatConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitFloatConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitDoubleConstant

public org.apache.parquet.column.statistics.Statistics visitDoubleConstant(ValueExpressions.DoubleExpression expr,
                                                                  Void value)
                                                                    throws RuntimeException

Specified by:

visitDoubleConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitDoubleConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitDateConstant

public org.apache.parquet.column.statistics.Statistics visitDateConstant(ValueExpressions.DateExpression expr,
                                                                Void value)
                                                                  throws RuntimeException

Specified by:

visitDateConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitDateConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitTimeStampConstant

public org.apache.parquet.column.statistics.Statistics visitTimeStampConstant(ValueExpressions.TimeStampExpression tsExpr,
                                                                     Void value)
                                                                       throws RuntimeException

Specified by:

visitTimeStampConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitTimeStampConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitTimeConstant

public org.apache.parquet.column.statistics.Statistics visitTimeConstant(ValueExpressions.TimeExpression timeExpr,
                                                                Void value)
                                                                  throws RuntimeException

Specified by:

visitTimeConstant in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitTimeConstant in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException

visitFunctionHolderExpression

public org.apache.parquet.column.statistics.Statistics visitFunctionHolderExpression(FunctionHolderExpression holderExpr,
                                                                            Void value)
                                                                              throws RuntimeException

Specified by:

visitFunctionHolderExpression in interface ExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Overrides:

visitFunctionHolderExpression in class AbstractExprVisitor<org.apache.parquet.column.statistics.Statistics,Void,RuntimeException>

Throws:

RuntimeException