Author: stack
Date: Tue Dec 11 09:17:29 2007
New Revision: 603307
URL: http://svn.apache.org/viewvc?rev=603307&view=rev
Log:
HADOOP-2243 getRow returns empty Map if no-such row.. should return null
Intentionally not added to the CHANGES.txt because way hbase currently works
is correct; this commit just adds a bit of clarifying javadoc.
Modified:
lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HTable.java
Modified:
lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HTable.java
URL:
http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HTable.java?rev=603307&r1=603306&r2=603307&view=diff
==============================================================================
---
lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HTable.java
(original)
+++
lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HTable.java
Tue Dec 11 09:17:29 2007
@@ -352,7 +352,7 @@
* Get all the data for the specified row at the latest timestamp
*
* @param row row key
- * @return map of colums to values
+ * @return Map of columns to values. Map is empty if row does not exist.
* @throws IOException
*/
public SortedMap<Text, byte[]> getRow(Text row) throws IOException {
@@ -364,7 +364,7 @@
*
* @param row row key
* @param ts timestamp
- * @return map of colums to values
+ * @return Map of columns to values. Map is empty if row does not exist.
* @throws IOException
*/
public SortedMap<Text, byte[]> getRow(Text row, long ts) throws IOException {
@@ -650,12 +650,12 @@
}
/**
- * Change a value for the specified column.
+ * Update a value for the specified column.
* Runs [EMAIL PROTECTED] #abort(long)} if exception thrown.
*
* @param lockid lock id returned from startUpdate
* @param column column whose value is being set
- * @param val new value for column
+ * @param val new value for column. Cannot be null.
*/
public void put(long lockid, Text column, byte val[]) {
checkClosed();
@@ -667,12 +667,12 @@
}
/**
- * Change a value for the specified column.
+ * Update a value for the specified column.
* Runs [EMAIL PROTECTED] #abort(long)} if exception thrown.
*
* @param lockid lock id returned from startUpdate
* @param column column whose value is being set
- * @param val new value for column
+ * @param val new value for column. Cannot be null.
* @throws IOException throws this if the writable can't be
* converted into a byte array
*/
