Package org.apache.drill.exec.physical.impl.scan.convert

Class ConvertStringToBoolean

java.lang.Object

org.apache.drill.exec.physical.impl.scan.convert.ColumnConverter

org.apache.drill.exec.physical.impl.scan.convert.DirectConverter

org.apache.drill.exec.physical.impl.scan.convert.AbstractConvertFromString

org.apache.drill.exec.physical.impl.scan.convert.ConvertStringToBoolean

All Implemented Interfaces:

ValueWriter

public class ConvertStringToBoolean
extends AbstractConvertFromString

Convert a VARCHAR column to an BIT column following the Java rules for parsing Boolean values, then using 1 if the boolean is true, 0 if false.

Field Summary

Fields inherited from class org.apache.drill.exec.physical.impl.scan.convert.AbstractConvertFromString

logger, prepare

Fields inherited from class org.apache.drill.exec.physical.impl.scan.convert.ColumnConverter

baseWriter

Constructor Summary

Constructors

Constructor	Description
ConvertStringToBoolean(ScalarWriter baseWriter, Map<String,String> properties)

Method Summary

Modifier and Type	Method	Description
void	setString(String value)

Methods inherited from class org.apache.drill.exec.physical.impl.scan.convert.AbstractConvertFromString

setBytes, setValue

Methods inherited from class org.apache.drill.exec.physical.impl.scan.convert.DirectConverter

appendBytes, setBoolean, setDate, setDecimal, setDouble, setFloat, setInt, setLong, setNull, setPeriod, setTime, setTimestamp

Methods inherited from class org.apache.drill.exec.physical.impl.scan.convert.ColumnConverter

conversionError, schema, writer

Methods inherited from class java.lang.Object

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

Constructor Details

ConvertStringToBoolean

public ConvertStringToBoolean(ScalarWriter baseWriter,
 Map<String,String> properties)

Method Details

setString

public void setString(String value)

Specified by:

setString in interface ValueWriter

Overrides:

setString in class DirectConverter