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HBASE-2374 TableInputFormat - Configurable parameter to add column families 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@929006 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2010-03-30 06:18:37 +00:00
parent 59b13bfb7a
commit ee3c65fb58
2 changed files with 12 additions and 1 deletions
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2
CHANGES.txt
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@ -467,6 +467,8 @@ Release 0.21.0 - Unreleased
HBASE-2389 HTable - delete / put unnecessary sync (Kay Kay via Stack)
HBASE-2385 Debug Message "Received report from unknown server" should be
INFO or WARN
HBASE-2374 TableInputFormat - Configurable parameter to add column families
(Kay Kay via Stack)
NEW FEATURES
HBASE-1961 HBase EC2 scripts

11
core/src/main/java/org/apache/hadoop/hbase/mapreduce/TableInputFormat.java
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@ -28,6 +28,7 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.util.StringUtils;
/**
@ -40,8 +41,12 @@ implements Configurable {
/** Job parameter that specifies the input table. */
public static final String INPUT_TABLE = "hbase.mapreduce.inputtable";
/** Base-64 encoded scanner. All other SCAN_ confs are ignored if this is specified. */
/** Base-64 encoded scanner. All other SCAN_ confs are ignored if this is specified.
* See {@link TableMapReduceUtil#convertScanToString(Scan)} for more details.
*/
public static final String SCAN = "hbase.mapreduce.scan";
/** Column Family to Scan */
public static final String SCAN_COLUMN_FAMILY = "hbase.mapreduce.scan.column.family";
/** Space delimited list of columns to scan. */
public static final String SCAN_COLUMNS = "hbase.mapreduce.scan.columns";
/** The timestamp used to filter columns with a specific timestamp. */
@ -105,6 +110,10 @@ implements Configurable {
scan.addColumns(conf.get(SCAN_COLUMNS));
}
if (conf.get(SCAN_COLUMN_FAMILY) != null) {
scan.addFamily(Bytes.toBytes(conf.get(SCAN_COLUMN_FAMILY)));
}
if (conf.get(SCAN_TIMESTAMP) != null) {
scan.setTimeStamp(Long.parseLong(conf.get(SCAN_TIMESTAMP)));
}