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From c..@apache.org
Subject svn commit: r1176010 - in /hive/trunk: common/src/java/org/apache/hadoop/hive/conf/ conf/ ql/src/java/org/apache/hadoop/hive/ql/exec/ ql/src/java/org/apache/hadoop/hive/ql/io/ ql/src/test/org/apache/hadoop/hive/ql/exec/ ql/src/test/queries/clientpositi...
Date Mon, 26 Sep 2011 19:44:01 GMT
Author: cws
Date: Mon Sep 26 19:44:00 2011
New Revision: 1176010

URL: http://svn.apache.org/viewvc?rev=1176010&view=rev
Log:
HIVE-2457. Files in Avro-backed Hive tables do not have a .avro extension (Tom White via cws)

Added:
    hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java
    hive/trunk/ql/src/test/queries/clientpositive/input44.q
    hive/trunk/ql/src/test/results/clientpositive/input44.q.out
Modified:
    hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
    hive/trunk/conf/hive-default.xml
    hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FileSinkOperator.java
    hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
    hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java

Modified: hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
URL: http://svn.apache.org/viewvc/hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java?rev=1176010&r1=1176009&r2=1176010&view=diff
==============================================================================
--- hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java (original)
+++ hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java Mon Sep 26 19:44:00
2011
@@ -140,6 +140,7 @@ public class HiveConf extends Configurat
     SHOW_JOB_FAIL_DEBUG_INFO("hive.exec.show.job.failure.debug.info", true),
     JOB_DEBUG_TIMEOUT("hive.exec.job.debug.timeout", 30000),
     TASKLOG_DEBUG_TIMEOUT("hive.exec.tasklog.debug.timeout", 20000),
+    OUTPUT_FILE_EXTENSION("hive.output.file.extension", null),
 
     // should hive determine whether to run in local mode automatically ?
     LOCALMODEAUTO("hive.exec.mode.local.auto", false),

Modified: hive/trunk/conf/hive-default.xml
URL: http://svn.apache.org/viewvc/hive/trunk/conf/hive-default.xml?rev=1176010&r1=1176009&r2=1176010&view=diff
==============================================================================
--- hive/trunk/conf/hive-default.xml (original)
+++ hive/trunk/conf/hive-default.xml Mon Sep 26 19:44:00 2011
@@ -1199,4 +1199,10 @@
   <description>To cleanup the hive scratchdir while starting the hive server</description>
 </property>
 
+<property>
+  <name>hive.output.file.extension</name>
+  <value></value>
+  <description>String used as a file extension for output files. If not set, defaults
to the codec extension for text files (e.g. ".gz"), or no extension otherwise.</description>
+</property>
+
 </configuration>

Modified: hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FileSinkOperator.java
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FileSinkOperator.java?rev=1176010&r1=1176009&r2=1176010&view=diff
==============================================================================
--- hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FileSinkOperator.java (original)
+++ hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FileSinkOperator.java Mon Sep 26
19:44:00 2011
@@ -448,14 +448,11 @@ public class FileSinkOperator extends Te
           // OutputFormat.getRecordWriter() is that
           // getRecordWriter does not give us enough control over the file name that
           // we create.
+          String extension = Utilities.getFileExtension(jc, isCompressed,
+              hiveOutputFormat);
           if (!bDynParts) {
-            fsp.finalPaths[filesIdx] = HiveFileFormatUtils.getOutputFormatFinalPath(
-                parent, taskId, jc, hiveOutputFormat, isCompressed, fsp.finalPaths[filesIdx]);
+            fsp.finalPaths[filesIdx] = fsp.getFinalPath(taskId, parent, extension);
           } else {
-            String extension = null;
-            if (hiveOutputFormat instanceof HiveIgnoreKeyTextOutputFormat) {
-              extension = Utilities.getFileExtension(jc, isCompressed);
-            }
             fsp.finalPaths[filesIdx] = fsp.getFinalPath(taskId, fsp.tmpPath, extension);
           }
 

Modified: hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java?rev=1176010&r1=1176009&r2=1176010&view=diff
==============================================================================
--- hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java (original)
+++ hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java Mon Sep 26 19:44:00
2011
@@ -96,6 +96,7 @@ import org.apache.hadoop.hive.ql.QueryPl
 import org.apache.hadoop.hive.ql.exec.FileSinkOperator.RecordWriter;
 import org.apache.hadoop.hive.ql.io.ContentSummaryInputFormat;
 import org.apache.hadoop.hive.ql.io.HiveFileFormatUtils;
+import org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat;
 import org.apache.hadoop.hive.ql.io.HiveInputFormat;
 import org.apache.hadoop.hive.ql.io.HiveOutputFormat;
 import org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat;
@@ -876,16 +877,43 @@ public final class Utilities {
    * @param isCompressed
    *          Whether the output file is compressed or not
    * @return the required file extension (example: .gz)
+   * @deprecated Use {@link #getFileExtension(JobConf, boolean, HiveOutputFormat)}
    */
+  @Deprecated
   public static String getFileExtension(JobConf jc, boolean isCompressed) {
-    if (!isCompressed) {
-      return "";
-    } else {
+    return getFileExtension(jc, isCompressed, new HiveIgnoreKeyTextOutputFormat());
+  }
+
+  /**
+   * Based on compression option, output format, and configured output codec -
+   * get extension for output file. Text files require an extension, whereas
+   * others, like sequence files, do not.
+   * <p>
+   * The property <code>hive.output.file.extension</code> is used to determine
+   * the extension - if set, it will override other logic for choosing an
+   * extension.
+   *
+   * @param jc
+   *          Job Configuration
+   * @param isCompressed
+   *          Whether the output file is compressed or not
+   * @param hiveOutputFormat
+   *          The output format, used to detect if the format is text
+   * @return the required file extension (example: .gz)
+   */
+  public static String getFileExtension(JobConf jc, boolean isCompressed,
+      HiveOutputFormat<?, ?> hiveOutputFormat) {
+    String extension = HiveConf.getVar(jc, HiveConf.ConfVars.OUTPUT_FILE_EXTENSION);
+    if (!StringUtils.isEmpty(extension)) {
+      return extension;
+    }
+    if ((hiveOutputFormat instanceof HiveIgnoreKeyTextOutputFormat) && isCompressed)
{
       Class<? extends CompressionCodec> codecClass = FileOutputFormat.getOutputCompressorClass(jc,
           DefaultCodec.class);
       CompressionCodec codec = (CompressionCodec) ReflectionUtils.newInstance(codecClass,
jc);
       return codec.getDefaultExtension();
     }
+    return "";
   }
 
   /**

Modified: hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java?rev=1176010&r1=1176009&r2=1176010&view=diff
==============================================================================
--- hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java (original)
+++ hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/HiveFileFormatUtils.java Mon Sep 26
19:44:00 2011
@@ -107,7 +107,9 @@ public final class HiveFileFormatUtils {
    *          parent dir of the expected final output path
    * @param jc
    *          job configuration
+   * @deprecated
    */
+  @Deprecated
   public static Path getOutputFormatFinalPath(Path parent, String taskId, JobConf jc,
       HiveOutputFormat<?, ?> hiveOutputFormat, boolean isCompressed,
       Path defaultFinalPath) throws IOException {

Added: hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java?rev=1176010&view=auto
==============================================================================
--- hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java (added)
+++ hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java Mon Sep 26 19:44:00
2011
@@ -0,0 +1,56 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hive.ql.exec;
+
+import static org.apache.hadoop.hive.ql.exec.Utilities.getFileExtension;
+
+import junit.framework.TestCase;
+
+import org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat;
+import org.apache.hadoop.mapred.JobConf;
+
+public class TestUtilities extends TestCase {
+
+  public void testGetFileExtension() {
+    JobConf jc = new JobConf();
+    assertEquals("No extension for uncompressed unknown format", "",
+        getFileExtension(jc, false, null));
+    assertEquals("No extension for compressed unknown format", "",
+        getFileExtension(jc, true, null));
+    assertEquals("No extension for uncompressed text format", "",
+        getFileExtension(jc, false, new HiveIgnoreKeyTextOutputFormat()));
+    assertEquals("Deflate for uncompressed text format", ".deflate",
+        getFileExtension(jc, true, new HiveIgnoreKeyTextOutputFormat()));
+    assertEquals("No extension for uncompressed default format", "",
+        getFileExtension(jc, false));
+    assertEquals("Deflate for uncompressed default format", ".deflate",
+        getFileExtension(jc, true));
+
+    String extension = ".myext";
+    jc.set("hive.output.file.extension", extension);
+    assertEquals("Custom extension for uncompressed unknown format", extension,
+        getFileExtension(jc, false, null));
+    assertEquals("Custom extension for compressed unknown format", extension,
+        getFileExtension(jc, true, null));
+    assertEquals("Custom extension for uncompressed text format", extension,
+        getFileExtension(jc, false, new HiveIgnoreKeyTextOutputFormat()));
+    assertEquals("Custom extension for uncompressed text format", extension,
+        getFileExtension(jc, true, new HiveIgnoreKeyTextOutputFormat()));
+  }
+}

Added: hive/trunk/ql/src/test/queries/clientpositive/input44.q
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/test/queries/clientpositive/input44.q?rev=1176010&view=auto
==============================================================================
--- hive/trunk/ql/src/test/queries/clientpositive/input44.q (added)
+++ hive/trunk/ql/src/test/queries/clientpositive/input44.q Mon Sep 26 19:44:00 2011
@@ -0,0 +1,6 @@
+CREATE TABLE dest(key INT, value STRING) STORED AS TEXTFILE;
+
+SET hive.output.file.extension=.txt;
+INSERT OVERWRITE TABLE dest SELECT src.* FROM src;
+
+dfs -cat ../build/ql/test/data/warehouse/dest/*.txt
\ No newline at end of file

Added: hive/trunk/ql/src/test/results/clientpositive/input44.q.out
URL: http://svn.apache.org/viewvc/hive/trunk/ql/src/test/results/clientpositive/input44.q.out?rev=1176010&view=auto
==============================================================================
--- hive/trunk/ql/src/test/results/clientpositive/input44.q.out (added)
+++ hive/trunk/ql/src/test/results/clientpositive/input44.q.out Mon Sep 26 19:44:00 2011
@@ -0,0 +1,515 @@
+PREHOOK: query: CREATE TABLE dest(key INT, value STRING) STORED AS TEXTFILE
+PREHOOK: type: CREATETABLE
+POSTHOOK: query: CREATE TABLE dest(key INT, value STRING) STORED AS TEXTFILE
+POSTHOOK: type: CREATETABLE
+POSTHOOK: Output: default@dest
+PREHOOK: query: INSERT OVERWRITE TABLE dest SELECT src.* FROM src
+PREHOOK: type: QUERY
+PREHOOK: Input: default@src
+PREHOOK: Output: default@dest
+POSTHOOK: query: INSERT OVERWRITE TABLE dest SELECT src.* FROM src
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@src
+POSTHOOK: Output: default@dest
+POSTHOOK: Lineage: dest.key EXPRESSION [(src)src.FieldSchema(name:key, type:string, comment:default),
]
+POSTHOOK: Lineage: dest.value SIMPLE [(src)src.FieldSchema(name:value, type:string, comment:default),
]
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