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From khorg...@apache.org
Subject svn commit: r1622146 - in /hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig: HCatLoader.java PigHCatUtil.java
Date Tue, 02 Sep 2014 22:29:43 GMT
Author: khorgath
Date: Tue Sep  2 22:29:43 2014
New Revision: 1622146

URL: http://svn.apache.org/r1622146
Log:
HIVE-7901 : CLONE - pig -useHCatalog with embedded metastore fails to pass command line args
to metastore (Eric Hanson via Sushanth Sowmyan)

Modified:
    hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/HCatLoader.java
    hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/PigHCatUtil.java

Modified: hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/HCatLoader.java
URL: http://svn.apache.org/viewvc/hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/HCatLoader.java?rev=1622146&r1=1622145&r2=1622146&view=diff
==============================================================================
--- hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/HCatLoader.java
(original)
+++ hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/HCatLoader.java
Tue Sep  2 22:29:43 2014
@@ -199,7 +199,8 @@ public class HCatLoader extends HCatBase
     throws IOException {
     Table table = phutil.getTable(location,
       hcatServerUri != null ? hcatServerUri : PigHCatUtil.getHCatServerUri(job),
-      PigHCatUtil.getHCatServerPrincipal(job));
+      PigHCatUtil.getHCatServerPrincipal(job),
+      job);   // Pass job to initialize metastore conf overrides
     List<FieldSchema> tablePartitionKeys = table.getPartitionKeys();
     String[] partitionKeys = new String[tablePartitionKeys.size()];
     for (int i = 0; i < tablePartitionKeys.size(); i++) {
@@ -215,7 +216,11 @@ public class HCatLoader extends HCatBase
 
     Table table = phutil.getTable(location,
       hcatServerUri != null ? hcatServerUri : PigHCatUtil.getHCatServerUri(job),
-      PigHCatUtil.getHCatServerPrincipal(job));
+      PigHCatUtil.getHCatServerPrincipal(job),
+
+      // Pass job to initialize metastore conf overrides for embedded metastore case
+      // (hive.metastore.uris = "").
+      job);
     HCatSchema hcatTableSchema = HCatUtil.getTableSchemaWithPtnCols(table);
     try {
       PigHCatUtil.validateHCatTableSchemaFollowsPigRules(hcatTableSchema);

Modified: hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/PigHCatUtil.java
URL: http://svn.apache.org/viewvc/hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/PigHCatUtil.java?rev=1622146&r1=1622145&r2=1622146&view=diff
==============================================================================
--- hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/PigHCatUtil.java
(original)
+++ hive/trunk/hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/PigHCatUtil.java
Tue Sep  2 22:29:43 2014
@@ -142,8 +142,16 @@ class PigHCatUtil {
   }
 
   private static HiveMetaStoreClient getHiveMetaClient(String serverUri,
-                             String serverKerberosPrincipal, Class<?> clazz) throws
Exception {
-    HiveConf hiveConf = new HiveConf(clazz);
+                             String serverKerberosPrincipal,
+                             Class<?> clazz,
+                             Job job) throws Exception {
+
+    // The job configuration is passed in so the configuration will be cloned
+    // from the pig job configuration. This is necessary for overriding
+    // metastore configuration arguments like the metastore jdbc connection string
+    // and password, in the case of an embedded metastore, which you get when
+    // hive.metastore.uris = "".
+    HiveConf hiveConf = new HiveConf(job.getConfiguration(), clazz);
 
     if (serverUri != null) {
       hiveConf.setVar(HiveConf.ConfVars.METASTOREURIS, serverUri.trim());
@@ -178,7 +186,13 @@ class PigHCatUtil {
     return new HCatSchema(fcols);
   }
 
-  public Table getTable(String location, String hcatServerUri, String hcatServerPrincipal)
throws IOException {
+  /*
+  * The job argument is passed so that configuration overrides can be used to initialize
+  * the metastore configuration in the special case of an embedded metastore
+  * (hive.metastore.uris = "").
+  */
+  public Table getTable(String location, String hcatServerUri, String hcatServerPrincipal,
+      Job job) throws IOException {
     Pair<String, String> loc_server = new Pair<String, String>(location, hcatServerUri);
     Table hcatTable = hcatTableCache.get(loc_server);
     if (hcatTable != null) {
@@ -191,7 +205,7 @@ class PigHCatUtil {
     Table table = null;
     HiveMetaStoreClient client = null;
     try {
-      client = getHiveMetaClient(hcatServerUri, hcatServerPrincipal, PigHCatUtil.class);
+      client = getHiveMetaClient(hcatServerUri, hcatServerPrincipal, PigHCatUtil.class, job);
       table = HCatUtil.getTable(client, dbName, tableName);
     } catch (NoSuchObjectException nsoe) {
       throw new PigException("Table not found : " + nsoe.getMessage(), PIG_EXCEPTION_CODE);
// prettier error messages to frontend



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