make Druid case sensitive

histogram/src/main/java/io/druid/query/aggregation/histogram/ApproximateHistogramAggregatorFactory.java

@@ -70,7 +70,7 @@ public ApproximateHistogramAggregatorFactory(
   )
   {
     this.name = name;
-    this.fieldName = fieldName.toLowerCase();
+    this.fieldName = fieldName;
     this.resolution = resolution == null ? ApproximateHistogram.DEFAULT_HISTOGRAM_SIZE : resolution;
     this.numBuckets = numBuckets == null ? ApproximateHistogram.DEFAULT_BUCKET_SIZE : numBuckets;
     this.lowerLimit = lowerLimit == null ? Float.NEGATIVE_INFINITY : lowerLimit;

histogram/src/test/java/io/druid/query/aggregation/histogram/ApproximateHistogramGroupByQueryTest.java

@@ -160,7 +160,7 @@ public void testGroupByWithApproximateHistogramAgg()
             Arrays.<DimensionSpec>asList(
                 new DefaultDimensionSpec(
                     QueryRunnerTestHelper.marketDimension,
-                    "marKetAlias"
+                    "marketalias"
                 )
             )
         )
@@ -169,7 +169,7 @@ public void testGroupByWithApproximateHistogramAgg()
             new DefaultLimitSpec(
                 Lists.newArrayList(
                     new OrderByColumnSpec(
-                        "marKetAlias",
+                        "marketalias",
                         OrderByColumnSpec.Direction.DESCENDING
                     )
                 ), 1

indexing-hadoop/src/main/java/io/druid/indexer/IndexGeneratorJob.java

@@ -307,7 +307,7 @@ protected void setup(Context context)
       config = HadoopDruidIndexerConfig.fromConfiguration(context.getConfiguration());
 
       for (AggregatorFactory factory : config.getSchema().getDataSchema().getAggregators()) {
-        metricNames.add(factory.getName().toLowerCase());
+        metricNames.add(factory.getName());
       }
 
       parser = config.getParser();

indexing-service/src/main/java/io/druid/indexing/common/task/AbstractTask.java

@@ -64,7 +64,7 @@ protected AbstractTask(String id, String groupId, TaskResource taskResource, Str
     this.id = Preconditions.checkNotNull(id, "id");
     this.groupId = Preconditions.checkNotNull(groupId, "groupId");
     this.taskResource = Preconditions.checkNotNull(taskResource, "resource");
-    this.dataSource = Preconditions.checkNotNull(dataSource.toLowerCase(), "dataSource");
+    this.dataSource = Preconditions.checkNotNull(dataSource, "dataSource");
   }
 
   @JsonProperty

indexing-service/src/main/java/io/druid/indexing/common/task/MergeTaskBase.java

@@ -270,7 +270,7 @@ public String apply(DataSegment x)
     return String.format(
         "%s_%s",
         dataSource,
-        Hashing.sha1().hashString(segmentIDs, Charsets.UTF_8).toString().toLowerCase()
+        Hashing.sha1().hashString(segmentIDs, Charsets.UTF_8).toString()
     );
   }
 

indexing-service/src/test/java/io/druid/indexing/common/task/MergeTaskBaseTest.java

@@ -78,7 +78,7 @@ public void testID()
         + "_2012-01-04T00:00:00.000Z_2012-01-06T00:00:00.000Z_V1_0"
         + "_2012-01-05T00:00:00.000Z_2012-01-07T00:00:00.000Z_V1_0"
         , Charsets.UTF_8
-    ).toString().toLowerCase() + "_";
+    ).toString() + "_";
     Assert.assertEquals(
         desiredPrefix,
         testMergeTaskBase.getId().substring(0, desiredPrefix.length())

pom.xml

@@ -42,7 +42,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <metamx.java-util.version>0.26.9</metamx.java-util.version>
         <apache.curator.version>2.6.0</apache.curator.version>
-        <druid.api.version>0.2.18-SNAPSHOT</druid.api.version>
+        <druid.api.version>0.3.0</druid.api.version>
     </properties>
 
     <modules>

processing/src/main/java/io/druid/query/TableDataSource.java

@@ -36,7 +36,7 @@ public class TableDataSource implements DataSource
   @JsonCreator
   public TableDataSource(@JsonProperty("name") String name)
   {
-    this.name = (name == null ? null : name.toLowerCase());
+    this.name = (name == null ? null : name);
   }
 
   @JsonProperty

processing/src/main/java/io/druid/query/aggregation/hyperloglog/HyperUniquesAggregatorFactory.java

@@ -61,7 +61,7 @@ public HyperUniquesAggregatorFactory(
   )
   {
     this.name = name;
-    this.fieldName = fieldName.toLowerCase();
+    this.fieldName = fieldName;
   }
 
   @Override

processing/src/main/java/io/druid/query/groupby/orderby/DefaultLimitSpec.java

@@ -173,7 +173,7 @@ private Ordering<Row> dimensionOrdering(final String dimension)
                          public String apply(Row input)
                          {
                            // Multi-value dimensions have all been flattened at this point;
-                           final List<String> dimList = input.getDimension(dimension.toLowerCase());
+                           final List<String> dimList = input.getDimension(dimension);
                            return dimList.isEmpty() ? null : dimList.get(0);
                          }
                        }

processing/src/main/java/io/druid/query/search/SearchQueryRunner.java

@@ -108,7 +108,7 @@ public Sequence<Result<SearchResultValue>> run(
       }
 
       for (String dimension : dimsToSearch) {
-        final Column column = index.getColumn(dimension.toLowerCase());
+        final Column column = index.getColumn(dimension);
         if (column == null) {
           continue;
         }

processing/src/main/java/io/druid/query/search/search/FragmentSearchQuerySpec.java

@@ -22,8 +22,6 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.base.Charsets;
-import com.google.common.base.Function;
-import com.google.common.collect.Lists;
 
 import java.nio.ByteBuffer;
 import java.util.List;
@@ -41,17 +39,7 @@ public FragmentSearchQuerySpec(
       @JsonProperty("values") List<String> values
   )
   {
-    this.values = Lists.transform(
-        values,
-        new Function<String, String>()
-        {
-          @Override
-          public String apply(String s)
-          {
-            return s.toLowerCase();
-          }
-        }
-    );
+    this.values = values;
   }
 
   @JsonProperty
@@ -64,7 +52,7 @@ public List<String> getValues()
   public boolean accept(String dimVal)
   {
     for (String value : values) {
-      if (dimVal == null || !dimVal.toLowerCase().contains(value)) {
+      if (dimVal == null || !dimVal.toLowerCase().contains(value.toLowerCase())) {
         return false;
       }
     }
@@ -97,19 +85,25 @@ public byte[] getCacheKey()
   public String toString()
   {
     return "FragmentSearchQuerySpec{" +
-             "values=" + values +
+           "values=" + values +
            "}";
   }
 
   @Override
   public boolean equals(Object o)
   {
-    if (this == o) return true;
-    if (o == null || getClass() != o.getClass()) return false;
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
 
     FragmentSearchQuerySpec that = (FragmentSearchQuerySpec) o;
 
-    if (values != null ? !values.equals(that.values) : that.values != null) return false;
+    if (values != null ? !values.equals(that.values) : that.values != null) {
+      return false;
+    }
 
     return true;
   }

processing/src/main/java/io/druid/query/search/search/InsensitiveContainsSearchQuerySpec.java

@@ -38,7 +38,7 @@ public InsensitiveContainsSearchQuerySpec(
       @JsonProperty("value") String value
   )
   {
-    this.value = value.toLowerCase();
+    this.value = value;
   }
 
   @JsonProperty
@@ -53,7 +53,7 @@ public boolean accept(String dimVal)
     if (dimVal == null) {
       return false;
     }
-    return dimVal.toLowerCase().contains(value);
+    return dimVal.toLowerCase().contains(value.toLowerCase());
   }
 
   @Override
@@ -78,12 +78,18 @@ public String toString()
   @Override
   public boolean equals(Object o)
   {
-    if (this == o) return true;
-    if (o == null || getClass() != o.getClass()) return false;
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
 
     InsensitiveContainsSearchQuerySpec that = (InsensitiveContainsSearchQuerySpec) o;
 
-    if (value != null ? !value.equals(that.value) : that.value != null) return false;
+    if (value != null ? !value.equals(that.value) : that.value != null) {
+      return false;
+    }
 
     return true;
   }

processing/src/main/java/io/druid/segment/ColumnSelectorBitmapIndexSelector.java

@@ -51,7 +51,7 @@ public ColumnSelectorBitmapIndexSelector(
   @Override
   public Indexed<String> getDimensionValues(String dimension)
   {
-    final Column columnDesc = index.getColumn(dimension.toLowerCase());
+    final Column columnDesc = index.getColumn(dimension);
     if (columnDesc == null || !columnDesc.getCapabilities().isDictionaryEncoded()) {
       return null;
     }
@@ -112,7 +112,7 @@ public BitmapFactory getBitmapFactory()
   @Override
   public ImmutableBitmap getBitmapIndex(String dimension, String value)
   {
-    final Column column = index.getColumn(dimension.toLowerCase());
+    final Column column = index.getColumn(dimension);
     if (column == null) {
       return bitmapFactory.makeEmptyImmutableBitmap();
     }
@@ -126,7 +126,7 @@ public ImmutableBitmap getBitmapIndex(String dimension, String value)
   @Override
   public ImmutableBitmap getBitmapIndex(String dimension, int idx)
   {
-    final Column column = index.getColumn(dimension.toLowerCase());
+    final Column column = index.getColumn(dimension);
     if (column == null || column.getCapabilities() == null) {
       bitmapFactory.makeEmptyImmutableBitmap();
     }
@@ -143,7 +143,7 @@ public ImmutableBitmap getBitmapIndex(String dimension, int idx)
   @Override
   public ImmutableRTree getSpatialIndex(String dimension)
   {
-    final Column column = index.getColumn(dimension.toLowerCase());
+    final Column column = index.getColumn(dimension);
     if (column == null || !column.getCapabilities().hasSpatialIndexes()) {
       return new ImmutableRTree();
     }