org.apache.hadoop.mapreduce.lib.db
Class BigDecimalSplitter
java.lang.Object
org.apache.hadoop.mapreduce.lib.db.BigDecimalSplitter
- All Implemented Interfaces:
- DBSplitter
- Direct Known Subclasses:
- TextSplitter
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class BigDecimalSplitter
- extends Object
- implements DBSplitter
Implement DBSplitter over BigDecimal values.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
BigDecimalSplitter
public BigDecimalSplitter()
split
public List<InputSplit> split(Configuration conf,
ResultSet results,
String colName)
throws SQLException
- Description copied from interface:
DBSplitter
- Given a ResultSet containing one record (and already advanced to that record)
with two columns (a low value, and a high value, both of the same type), determine
a set of splits that span the given values.
- Specified by:
split
in interface DBSplitter
- Throws:
SQLException
tryDivide
protected BigDecimal tryDivide(BigDecimal numerator,
BigDecimal denominator)
- Divide numerator by denominator. If impossible in exact mode, use rounding.
Copyright © 2009 The Apache Software Foundation