Mappings: Remove `index_analyzer` setting to simplify analyzer logic

The `analyzer` setting is now the base setting, and `search_analyzer`
is simply an override of the search time analyzer.  When setting
`search_analyzer`, `analyzer` must be set.

closes #9371

dev-tools/create-bwc-index.py

@@ -144,6 +144,16 @@ def generate_index(client, version):
     # backcompat test for legacy type level analyzer settings, see #8874
     mappings['analyzer_type1'] = {
       'analyzer': 'standard',
+      'properties': {
+        'string_with_index_analyzer': {
+          'type': 'string',
+          'index_analyzer': 'standard'
+        },
+        'completion_with_index_analyzer': {
+          'type': 'completion',
+          'index_analyzer': 'standard'
+        }
+      }
     }
     mappings['analyzer_type2'] = {
       'index_analyzer': 'standard',

docs/reference/docs/termvectors.asciidoc

@@ -111,12 +111,12 @@ curl -s -XPUT 'http://localhost:9200/twitter/' -d '{
           "type": "string",
           "term_vector": "with_positions_offsets_payloads",
           "store" : true,
-          "index_analyzer" : "fulltext_analyzer"
+          "analyzer" : "fulltext_analyzer"
          },
          "fullname": {
           "type": "string",
           "term_vector": "with_positions_offsets_payloads",
-          "index_analyzer" : "fulltext_analyzer"
+          "analyzer" : "fulltext_analyzer"
         }
       }
     }

docs/reference/mapping/fields/all-field.asciidoc

@@ -61,7 +61,7 @@ Here is a sample mapping:
 --------------------------------------------------
 
 The `_all` fields allows for `store`, `term_vector` and `analyzer` (with
-specific `index_analyzer` and `search_analyzer`) to be set.
+specific `analyzer` and `search_analyzer`) to be set.
 
 [float]
 [[highlighting]]

docs/reference/mapping/types/core-types.asciidoc

@@ -130,14 +130,11 @@ is also possible to set it to `offsets` (doc numbers, term
 frequencies, positions and offsets).
 
 |`analyzer` |The analyzer used to analyze the text contents when
-`analyzed` during indexing and when searching using a query string.
+`analyzed` during indexing and searching.
 Defaults to the globally configured analyzer.
 
-|`index_analyzer` |The analyzer used to analyze the text contents when
+|`search_analyzer` |The analyzer used to analyze the field when searching, which
-`analyzed` during indexing.
+overrides the value of `analyzer`. Can be updated on an existing field.
-
-|`search_analyzer` |The analyzer used to analyze the field when part of
-a query string. Can be updated on an existing field.
 
 |`include_in_all` |Should the field be included in the `_all` field (if
 enabled). If `index` is set to `no` this defaults to `false`, otherwise,
@@ -627,10 +624,10 @@ the tokens aren't copied.
 [float]
 ==== Updating a field
 
-In the essence a field can't be updated. However multi fields can be
+In essence a field cannot be updated. However multi fields can be
 added to existing fields. This allows for example to have a different
-`index_analyzer` configuration in addition to the already configured
+`analyzer` configuration in addition to the already configured
-`index_analyzer` configuration specified in the main and other multi fields.
+`analyzer` configuration specified in the main and other multi fields.
 
 Also the new multi field will only be applied on document that have been
 added after the multi field has been added and in fact the new multi field

docs/reference/mapping/types/root-object-type.asciidoc

@@ -27,16 +27,15 @@ explicitly set analyzers on their own. Here is an example:
 --------------------------------------------------
 {
     "tweet" : {
-        "index_analyzer" : "standard",
+        "analyzer" : "standard",
-        "search_analyzer" : "standard"
+        "search_analyzer" : "standard_with_synonyms"
     }
 }
 --------------------------------------------------
 
-The above simply explicitly defines both the `index_analyzer` and
+The above simply explicitly defines both the `analyzer` and
-`search_analyzer` that will be used. There is also an option to use the
+`search_analyzer` that will be used. If `search_analyzer` is not specified,
-`analyzer` attribute to set both the `search_analyzer` and
+it defaults to the value of `analyzer`.
-`index_analyzer`.
 
 [float]
 ==== dynamic_date_formats

docs/reference/search/suggesters/completion-suggest.asciidoc

@@ -36,7 +36,7 @@ curl -X PUT localhost:9200/music/song/_mapping -d '{
         "properties" : {
             "name" : { "type" : "string" },
             "suggest" : { "type" : "completion",
-                          "index_analyzer" : "simple",
+                          "analyzer" : "simple",
                           "search_analyzer" : "simple",
                           "payloads" : true
             }
@@ -47,16 +47,15 @@ curl -X PUT localhost:9200/music/song/_mapping -d '{
 
 Mapping supports the following parameters:
 
-`index_analyzer`::
+`analyzer`::
     The index analyzer to use, defaults to `simple`.
-
-`search_analyzer`::
-    The search analyzer to use, defaults to `simple`.
     In case you are wondering why we did not opt for the `standard`
     analyzer: We try to have easy to understand behaviour here, and if you
     index the field content `At the Drive-in`, you will not get any
     suggestions for `a`, nor for `d` (the first non stopword).
 
+`search_analyzer`::
+    The search analyzer to use, defaults to value of `analyzer`.
 
 `payloads`::
     Enables the storing of payloads, defaults to `false`

src/main/java/org/elasticsearch/index/mapper/core/AbstractFieldMapper.java

@@ -305,18 +305,13 @@ public abstract class AbstractFieldMapper<T> implements FieldMapper<T> {
         this.fieldType = fieldType;
         this.fieldType.freeze();
         
-        // automatically set to keyword analyzer if its indexed and not analyzed
+        if (indexAnalyzer == null && this.fieldType.tokenized() == false && this.fieldType.indexOptions() != IndexOptions.NONE) {
-        if (indexAnalyzer == null && !this.fieldType.tokenized() && this.fieldType.indexOptions() != IndexOptions.NONE) {
+            this.indexAnalyzer = this.searchAnalyzer = Lucene.KEYWORD_ANALYZER;
-            this.indexAnalyzer = Lucene.KEYWORD_ANALYZER;
         } else {
             this.indexAnalyzer = indexAnalyzer;
-        }
-        // automatically set to keyword analyzer if its indexed and not analyzed
-        if (searchAnalyzer == null && !this.fieldType.tokenized() && this.fieldType.indexOptions() != IndexOptions.NONE) {
-            this.searchAnalyzer = Lucene.KEYWORD_ANALYZER;
-        } else {
             this.searchAnalyzer = searchAnalyzer;
         }
+
         if (postingsFormat == null) {
             if (defaultPostingFormat() != null) {
                 postingsFormat = PostingFormats.getAsProvider(defaultPostingFormat());
@@ -623,12 +618,12 @@ public abstract class AbstractFieldMapper<T> implements FieldMapper<T> {
         // null and "default"-named index analyzers both mean the default is used
         if (this.indexAnalyzer == null || "default".equals(this.indexAnalyzer.name())) {
             if (fieldMergeWith.indexAnalyzer != null && !"default".equals(fieldMergeWith.indexAnalyzer.name())) {
-                mergeContext.addConflict("mapper [" + names.fullName() + "] has different index_analyzer");
+                mergeContext.addConflict("mapper [" + names.fullName() + "] has different analyzer");
             }
         } else if (fieldMergeWith.indexAnalyzer == null || "default".equals(fieldMergeWith.indexAnalyzer.name())) {
-            mergeContext.addConflict("mapper [" + names.fullName() + "] has different index_analyzer");
+            mergeContext.addConflict("mapper [" + names.fullName() + "] has different analyzer");
         } else if (!this.indexAnalyzer.name().equals(fieldMergeWith.indexAnalyzer.name())) {
-            mergeContext.addConflict("mapper [" + names.fullName() + "] has different index_analyzer");
+            mergeContext.addConflict("mapper [" + names.fullName() + "] has different analyzer");
         }
         
         if (!this.names().equals(fieldMergeWith.names())) {
@@ -733,34 +728,7 @@ public abstract class AbstractFieldMapper<T> implements FieldMapper<T> {
             builder.field("index_options", indexOptionToString(fieldType.indexOptions()));
         }
 
-        if (indexAnalyzer == null && searchAnalyzer == null) {
+        doXContentAnalyzers(builder, includeDefaults);
-            if (includeDefaults) {
-                builder.field("analyzer", "default");
-            }
-        } else if (indexAnalyzer == null) {
-            // searchAnalyzer != null
-            if (includeDefaults || (!searchAnalyzer.name().startsWith("_") && !searchAnalyzer.name().equals("default"))) {
-                builder.field("search_analyzer", searchAnalyzer.name());
-            }
-        } else if (searchAnalyzer == null) {
-            // indexAnalyzer != null
-            if (includeDefaults || (!indexAnalyzer.name().startsWith("_") && !indexAnalyzer.name().equals("default"))) {
-                builder.field("index_analyzer", indexAnalyzer.name());
-            }
-        } else if (indexAnalyzer.name().equals(searchAnalyzer.name())) {
-            // indexAnalyzer == searchAnalyzer
-            if (includeDefaults || (!indexAnalyzer.name().startsWith("_") && !indexAnalyzer.name().equals("default"))) {
-                builder.field("analyzer", indexAnalyzer.name());
-            }
-        } else {
-            // both are there but different
-            if (includeDefaults || (!indexAnalyzer.name().startsWith("_") && !indexAnalyzer.name().equals("default"))) {
-                builder.field("index_analyzer", indexAnalyzer.name());
-            }
-            if (includeDefaults || (!searchAnalyzer.name().startsWith("_") && !searchAnalyzer.name().equals("default"))) {
-                builder.field("search_analyzer", searchAnalyzer.name());
-            }
-        }
 
         if (postingsFormat != null) {
             if (includeDefaults || !postingsFormat.name().equals(defaultPostingFormat())) {
@@ -804,6 +772,19 @@ public abstract class AbstractFieldMapper<T> implements FieldMapper<T> {
         }
     }
     
+    protected void doXContentAnalyzers(XContentBuilder builder, boolean includeDefaults) throws IOException {
+        if (indexAnalyzer == null) {
+            if (includeDefaults) {
+                builder.field("analyzer", "default");
+            }
+        } else if (includeDefaults || indexAnalyzer.name().startsWith("_") == false && indexAnalyzer.name().equals("default") == false) {
+            builder.field("analyzer", indexAnalyzer.name());
+            if (searchAnalyzer.name().equals(indexAnalyzer.name()) == false) {
+                builder.field("search_analyzer", searchAnalyzer.name());
+            }
+        }
+    }
+
     protected static String indexOptionToString(IndexOptions indexOption) {
         switch (indexOption) {
             case DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS:

src/main/java/org/elasticsearch/index/mapper/core/CompletionFieldMapper.java

@@ -29,6 +29,7 @@ import org.apache.lucene.search.suggest.analyzing.XAnalyzingSuggester;
 import org.apache.lucene.util.BytesRef;
 import org.elasticsearch.ElasticsearchIllegalArgumentException;
 import org.elasticsearch.ElasticsearchParseException;
+import org.elasticsearch.Version;
 import org.elasticsearch.common.ParseField;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentFactory;
@@ -87,7 +88,6 @@ public class CompletionFieldMapper extends AbstractFieldMapper<String> {
     public static class Fields {
         // Mapping field names
         public static final String ANALYZER = "analyzer";
-        public static final ParseField INDEX_ANALYZER = new ParseField("index_analyzer");
         public static final ParseField SEARCH_ANALYZER = new ParseField("search_analyzer");
         public static final ParseField PRESERVE_SEPARATORS = new ParseField("preserve_separators");
         public static final ParseField PRESERVE_POSITION_INCREMENTS = new ParseField("preserve_position_increments");
@@ -159,6 +159,8 @@ public class CompletionFieldMapper extends AbstractFieldMapper<String> {
         @Override
         public Mapper.Builder<?, ?> parse(String name, Map<String, Object> node, ParserContext parserContext) throws MapperParsingException {
             CompletionFieldMapper.Builder builder = completionField(name);
+            NamedAnalyzer indexAnalyzer = null;
+            NamedAnalyzer searchAnalyzer = null;
             for (Iterator<Map.Entry<String, Object>> iterator = node.entrySet().iterator(); iterator.hasNext();) {
                 Map.Entry<String, Object> entry = iterator.next();
                 String fieldName = entry.getKey();
@@ -166,16 +168,13 @@ public class CompletionFieldMapper extends AbstractFieldMapper<String> {
                 if (fieldName.equals("type")) {
                     continue;
                 }
-                if (fieldName.equals("analyzer")) {
+                if (Fields.ANALYZER.equals(fieldName) || // index_analyzer is for backcompat, remove for v3.0
-                    NamedAnalyzer analyzer = getNamedAnalyzer(parserContext, fieldNode.toString());
+                    fieldName.equals("index_analyzer") && parserContext.indexVersionCreated().before(Version.V_2_0_0)) {
-                    builder.indexAnalyzer(analyzer);
+                    
-                    builder.searchAnalyzer(analyzer);
+                    indexAnalyzer = getNamedAnalyzer(parserContext, fieldNode.toString());
-                    iterator.remove();
-                } else if (Fields.INDEX_ANALYZER.match(fieldName)) {
-                    builder.indexAnalyzer(getNamedAnalyzer(parserContext, fieldNode.toString()));
                     iterator.remove();
                 } else if (Fields.SEARCH_ANALYZER.match(fieldName)) {
-                    builder.searchAnalyzer(getNamedAnalyzer(parserContext, fieldNode.toString()));
+                    searchAnalyzer = getNamedAnalyzer(parserContext, fieldNode.toString());
                     iterator.remove();
                 } else if (fieldName.equals(Fields.PAYLOADS)) {
                     builder.payloads(Boolean.parseBoolean(fieldNode.toString()));
@@ -199,13 +198,17 @@ public class CompletionFieldMapper extends AbstractFieldMapper<String> {
                 }
             }
             
-            if (builder.searchAnalyzer == null) {
+            if (indexAnalyzer == null) {
-                builder.searchAnalyzer(parserContext.analysisService().analyzer("simple"));
+                if (searchAnalyzer != null) {
+                    throw new MapperParsingException("analyzer on completion field [" + name + "] must be set when search_analyzer is set");
                 }
+                indexAnalyzer = searchAnalyzer = parserContext.analysisService().analyzer("simple");
+            } else if (searchAnalyzer == null) {
+                searchAnalyzer = indexAnalyzer;
+            }
+            builder.indexAnalyzer(indexAnalyzer);
+            builder.searchAnalyzer(searchAnalyzer);
             
-            if (builder.indexAnalyzer == null) {
-                builder.indexAnalyzer(parserContext.analysisService().analyzer("simple"));
-            }
             // we are just using this as the default to be wrapped by the CompletionPostingsFormatProvider in the SuggesteFieldMapper ctor
             builder.postingsFormat(parserContext.postingFormatService().get("default"));
             return builder;
@@ -444,11 +447,10 @@ public class CompletionFieldMapper extends AbstractFieldMapper<String> {
     public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
         builder.startObject(name())
                 .field(Fields.TYPE, CONTENT_TYPE);
-        if (indexAnalyzer.name().equals(searchAnalyzer.name())) {
+        
         builder.field(Fields.ANALYZER, indexAnalyzer.name());
-        } else {
+        if (indexAnalyzer.name().equals(searchAnalyzer.name()) == false) {
-            builder.field(Fields.INDEX_ANALYZER.getPreferredName(), indexAnalyzer.name())
+            builder.field(Fields.SEARCH_ANALYZER.getPreferredName(), searchAnalyzer.name());
-                    .field(Fields.SEARCH_ANALYZER.getPreferredName(), searchAnalyzer.name());
         }
         builder.field(Fields.PAYLOADS, this.payloads);
         builder.field(Fields.PRESERVE_SEPARATORS.getPreferredName(), this.preserveSeparators);

src/main/java/org/elasticsearch/index/mapper/core/TypeParsers.java

@@ -182,6 +182,8 @@ public class TypeParsers {
     }
 
     public static void parseField(AbstractFieldMapper.Builder builder, String name, Map<String, Object> fieldNode, Mapper.TypeParser.ParserContext parserContext) {
+        NamedAnalyzer indexAnalyzer = null;
+        NamedAnalyzer searchAnalyzer = null;
         for (Iterator<Map.Entry<String, Object>> iterator = fieldNode.entrySet().iterator(); iterator.hasNext();) {
             Map.Entry<String, Object> entry = iterator.next();
             final String propName = Strings.toUnderscoreCase(entry.getKey());
@@ -249,27 +251,21 @@ public class TypeParsers {
             } else if (propName.equals("index_options")) {
                 builder.indexOptions(nodeIndexOptionValue(propNode));
                 iterator.remove();
-            } else if (propName.equals("analyzer")) {
+            } else if (propName.equals("analyzer") || // for backcompat, reading old indexes, remove for v3.0
+                       propName.equals("index_analyzer") && parserContext.indexVersionCreated().before(Version.V_2_0_0)) {
+                
                 NamedAnalyzer analyzer = parserContext.analysisService().analyzer(propNode.toString());
                 if (analyzer == null) {
                     throw new MapperParsingException("Analyzer [" + propNode.toString() + "] not found for field [" + name + "]");
                 }
-                builder.indexAnalyzer(analyzer);
+                indexAnalyzer = analyzer;
-                builder.searchAnalyzer(analyzer);
-                iterator.remove();
-            } else if (propName.equals("index_analyzer")) {
-                NamedAnalyzer analyzer = parserContext.analysisService().analyzer(propNode.toString());
-                if (analyzer == null) {
-                    throw new MapperParsingException("Analyzer [" + propNode.toString() + "] not found for field [" + name + "]");
-                }
-                builder.indexAnalyzer(analyzer);
                 iterator.remove();
             } else if (propName.equals("search_analyzer")) {
                 NamedAnalyzer analyzer = parserContext.analysisService().analyzer(propNode.toString());
                 if (analyzer == null) {
                     throw new MapperParsingException("Analyzer [" + propNode.toString() + "] not found for field [" + name + "]");
                 }
-                builder.searchAnalyzer(analyzer);
+                searchAnalyzer = analyzer;
                 iterator.remove();
             } else if (propName.equals("include_in_all")) {
                 builder.includeInAll(nodeBooleanValue(propNode));
@@ -294,6 +290,16 @@ public class TypeParsers {
                 iterator.remove();
             }
         }
+
+        if (indexAnalyzer == null) {
+            if (searchAnalyzer != null) {
+                throw new MapperParsingException("analyzer on field [" + name + "] must be set when search_analyzer is set");
+            }
+        } else if (searchAnalyzer == null) {
+            searchAnalyzer = indexAnalyzer;
+        }
+        builder.indexAnalyzer(indexAnalyzer);
+        builder.searchAnalyzer(searchAnalyzer);
     }
 
     public static boolean parseMultiField(AbstractFieldMapper.Builder builder, String name, Mapper.TypeParser.ParserContext parserContext, String propName, Object propNode) {

src/main/java/org/elasticsearch/index/mapper/internal/AllFieldMapper.java

@@ -305,35 +305,7 @@ public class AllFieldMapper extends AbstractFieldMapper<String> implements Inter
             builder.field("omit_norms", fieldType.omitNorms());
         }
         
-
+        doXContentAnalyzers(builder, includeDefaults);
-        if (indexAnalyzer == null && searchAnalyzer == null) {
-            if (includeDefaults) {
-                builder.field("analyzer", "default");
-            }
-        } else if (indexAnalyzer == null) {
-            // searchAnalyzer != null
-            if (includeDefaults || !searchAnalyzer.name().startsWith("_")) {
-                builder.field("search_analyzer", searchAnalyzer.name());
-            }
-        } else if (searchAnalyzer == null) {
-            // indexAnalyzer != null
-            if (includeDefaults || !indexAnalyzer.name().startsWith("_")) {
-                builder.field("index_analyzer", indexAnalyzer.name());
-            }
-        } else if (indexAnalyzer.name().equals(searchAnalyzer.name())) {
-            // indexAnalyzer == searchAnalyzer
-            if (includeDefaults || !indexAnalyzer.name().startsWith("_")) {
-                builder.field("analyzer", indexAnalyzer.name());
-            }
-        } else {
-            // both are there but different
-            if (includeDefaults || !indexAnalyzer.name().startsWith("_")) {
-                builder.field("index_analyzer", indexAnalyzer.name());
-            }
-            if (includeDefaults || !searchAnalyzer.name().startsWith("_")) {
-                builder.field("search_analyzer", searchAnalyzer.name());
-            }
-        }
 
         if (similarity() != null) {
             builder.field("similarity", similarity().name());

src/test/java/org/elasticsearch/index/mapper/completion/CompletionFieldMapperTests.java

@@ -57,7 +57,7 @@ public class CompletionFieldMapperTests extends ElasticsearchSingleNodeTest {
         String mapping = jsonBuilder().startObject().startObject("type1")
                 .startObject("properties").startObject("completion")
                 .field("type", "completion")
-                .field("index_analyzer", "simple")
+                .field("analyzer", "simple")
                 .field("search_analyzer", "standard")
                 .field("payloads", true)
                 .field("preserve_separators", false)
@@ -78,7 +78,7 @@ public class CompletionFieldMapperTests extends ElasticsearchSingleNodeTest {
         builder.close();
         Map<String, Object> serializedMap = JsonXContent.jsonXContent.createParser(builder.bytes()).mapAndClose();
         Map<String, Object> configMap = (Map<String, Object>) serializedMap.get("completion");
-        assertThat(configMap.get("index_analyzer").toString(), is("simple"));
+        assertThat(configMap.get("analyzer").toString(), is("simple"));
         assertThat(configMap.get("search_analyzer").toString(), is("standard"));
         assertThat(Boolean.valueOf(configMap.get("payloads").toString()), is(true));
         assertThat(Boolean.valueOf(configMap.get("preserve_separators").toString()), is(false));
@@ -91,7 +91,7 @@ public class CompletionFieldMapperTests extends ElasticsearchSingleNodeTest {
         String mapping = jsonBuilder().startObject().startObject("type1")
                 .startObject("properties").startObject("completion")
                 .field("type", "completion")
-                .field("index_analyzer", "simple")
+                .field("analyzer", "simple")
                 .field("search_analyzer", "simple")
                 .endObject().endObject()
                 .endObject().endObject().string();

src/test/java/org/elasticsearch/index/mapper/merge/TestMergeMapperTests.java

@@ -106,10 +106,10 @@ public class TestMergeMapperTests extends ElasticsearchSingleNodeTest {
     public void testMergeSearchAnalyzer() throws Exception {
         DocumentMapperParser parser = createIndex("test").mapperService().documentMapperParser();
         String mapping1 = XContentFactory.jsonBuilder().startObject().startObject("type")
-                .startObject("properties").startObject("field").field("type", "string").field("search_analyzer", "whitespace").endObject().endObject()
+                .startObject("properties").startObject("field").field("type", "string").field("analyzer", "standard").field("search_analyzer", "whitespace").endObject().endObject()
                 .endObject().endObject().string();
         String mapping2 = XContentFactory.jsonBuilder().startObject().startObject("type")
-                .startObject("properties").startObject("field").field("type", "string").field("search_analyzer", "keyword").endObject().endObject()
+                .startObject("properties").startObject("field").field("type", "string").field("analyzer", "standard").field("search_analyzer", "keyword").endObject().endObject()
                 .endObject().endObject().string();
 
         DocumentMapper existing = parser.parse(mapping1);
@@ -123,13 +123,13 @@ public class TestMergeMapperTests extends ElasticsearchSingleNodeTest {
     }
 
     @Test
-    public void testNotChangeSearchAnalyzer() throws Exception {
+    public void testChangeSearchAnalyzerToDefault() throws Exception {
         DocumentMapperParser parser = createIndex("test").mapperService().documentMapperParser();
         String mapping1 = XContentFactory.jsonBuilder().startObject().startObject("type")
-                .startObject("properties").startObject("field").field("type", "string").field("search_analyzer", "whitespace").endObject().endObject()
+                .startObject("properties").startObject("field").field("type", "string").field("analyzer", "standard").field("search_analyzer", "whitespace").endObject().endObject()
                 .endObject().endObject().string();
         String mapping2 = XContentFactory.jsonBuilder().startObject().startObject("type")
-                .startObject("properties").startObject("field").field("type", "string").field("postings_format", "Lucene41").endObject().endObject()
+                .startObject("properties").startObject("field").field("type", "string").field("analyzer", "standard").field("postings_format", "Lucene41").endObject().endObject()
                 .endObject().endObject().string();
 
         DocumentMapper existing = parser.parse(mapping1);
@@ -139,7 +139,7 @@ public class TestMergeMapperTests extends ElasticsearchSingleNodeTest {
         DocumentMapper.MergeResult mergeResult = existing.merge(changed, mergeFlags().simulate(false));
 
         assertThat(mergeResult.hasConflicts(), equalTo(false));
-        assertThat(((NamedAnalyzer) existing.mappers().name("field").mapper().searchAnalyzer()).name(), equalTo("whitespace"));
+        assertThat(((NamedAnalyzer) existing.mappers().name("field").mapper().searchAnalyzer()).name(), equalTo("standard"));
         assertThat((existing.mappers().name("field").mapper().postingsFormatProvider()).name(), equalTo("Lucene41"));
     }
 

src/test/java/org/elasticsearch/index/mapper/update/UpdateMappingOnClusterTests.java

@@ -65,7 +65,7 @@ public class UpdateMappingOnClusterTests extends ElasticsearchIntegrationTest {
                 "[_all] has different store_term_vector_offsets values",
                 "[_all] has different store_term_vector_positions values",
                 "[_all] has different store_term_vector_payloads values",
-                "[_all] has different index_analyzer",
+                "[_all] has different analyzer",
                 "[_all] has different similarity"};
         // auto_boost and fielddata and search_analyzer should not report conflict
         testConflict(mapping, mappingUpdate, errorMessage);

src/test/java/org/elasticsearch/index/mapper/update/all_mapping_create_index.json

@@ -9,7 +9,7 @@
         "store_term_vector_positions": true,
         "store_term_vector_payloads": true,
         "omit_norms": true,
-        "index_analyzer": "standard",
+        "analyzer": "standard",
         "search_analyzer": "whitespace",
         "similarity": "my_similarity",
         "fielddata": {

src/test/java/org/elasticsearch/index/mapper/update/all_mapping_update_with_conflicts.json

@@ -9,7 +9,7 @@
       "store_term_vector_positions": false,
       "store_term_vector_payloads": false,
       "omit_norms": false,
-      "index_analyzer": "whitespace",
+      "analyzer": "whitespace",
       "search_analyzer": "standard",
       "similarity": "bm25",
       "fielddata": {

src/test/java/org/elasticsearch/search/highlight/HighlighterSearchTests.java

@@ -91,7 +91,7 @@ public class HighlighterSearchTests extends ElasticsearchIntegrationTest {
                         .startObject("fields")
                         .startObject("autocomplete")
                         .field("type", "string")
-                        .field("index_analyzer", "autocomplete")
+                        .field("analyzer", "autocomplete")
                         .field("search_analyzer", "search_autocomplete")
                         .field("term_vector", "with_positions_offsets")
                         .endObject()
@@ -143,7 +143,7 @@ public class HighlighterSearchTests extends ElasticsearchIntegrationTest {
          * query. We cut off and extract terms if there are more than 16 terms in the query
          */
         assertAcked(prepareCreate("test")
-                .addMapping("test", "body", "type=string,index_analyzer=custom_analyzer,search_analyzer=custom_analyzer,term_vector=with_positions_offsets")
+                .addMapping("test", "body", "type=string,analyzer=custom_analyzer,search_analyzer=custom_analyzer,term_vector=with_positions_offsets")
                 .setSettings(
                         settingsBuilder().put(indexSettings())
                                 .put("analysis.filter.wordDelimiter.type", "word_delimiter")
@@ -173,8 +173,8 @@ public class HighlighterSearchTests extends ElasticsearchIntegrationTest {
 
         assertAcked(prepareCreate("test")
                 .addMapping("test",
-                        "name", "type=string,index_analyzer=name_index_analyzer,search_analyzer=name_search_analyzer," + randomStoreField() + "term_vector=with_positions_offsets",
+                        "name", "type=string,analyzer=name_index_analyzer,search_analyzer=name_search_analyzer," + randomStoreField() + "term_vector=with_positions_offsets",
-                        "name2", "type=string,index_analyzer=name2_index_analyzer,search_analyzer=name_search_analyzer," + randomStoreField() + "term_vector=with_positions_offsets")
+                        "name2", "type=string,analyzer=name2_index_analyzer,search_analyzer=name_search_analyzer," + randomStoreField() + "term_vector=with_positions_offsets")
                 .setSettings(settingsBuilder()
                         .put(indexSettings())
                         .put("analysis.filter.my_ngram.max_gram", 20)
@@ -240,8 +240,8 @@ public class HighlighterSearchTests extends ElasticsearchIntegrationTest {
     public void testNgramHighlighting() throws ElasticsearchException, IOException {
         assertAcked(prepareCreate("test")
                 .addMapping("test",
-                        "name", "type=string,index_analyzer=name_index_analyzer,search_analyzer=name_search_analyzer,term_vector=with_positions_offsets",
+                        "name", "type=string,analyzer=name_index_analyzer,search_analyzer=name_search_analyzer,term_vector=with_positions_offsets",
-                        "name2", "type=string,index_analyzer=name2_index_analyzer,search_analyzer=name_search_analyzer,term_vector=with_positions_offsets")
+                        "name2", "type=string,analyzer=name2_index_analyzer,search_analyzer=name_search_analyzer,term_vector=with_positions_offsets")
                 .setSettings(settingsBuilder()
                         .put(indexSettings())
                         .put("analysis.filter.my_ngram.max_gram", 20)

src/test/java/org/elasticsearch/search/query/SearchQueryTests.java

@@ -1665,7 +1665,7 @@ public class SearchQueryTests extends ElasticsearchIntegrationTest {
                 .putArray("index.analysis.analyzer.search.filter", "lowercase", "synonym")
                 .put("index.analysis.filter.synonym.type", "synonym")
                 .putArray("index.analysis.filter.synonym.synonyms", "fast, quick"));
-        assertAcked(builder.addMapping("test", "text", "type=string,index_analyzer=index,search_analyzer=search"));
+        assertAcked(builder.addMapping("test", "text", "type=string,analyzer=index,search_analyzer=search"));
         ensureGreen();
         client().prepareIndex("test", "test", "1").setSource("text", "quick brown fox").get();
         refresh();
@@ -1696,7 +1696,7 @@ public class SearchQueryTests extends ElasticsearchIntegrationTest {
                 .putArray("index.analysis.analyzer.search.filter", "lowercase", "keyword_repeat", "porterStem", "unique_stem")
                 .put("index.analysis.filter.unique_stem.type", "unique")
                 .put("index.analysis.filter.unique_stem.only_on_same_position", true));
-        assertAcked(builder.addMapping("test", "text", "type=string,index_analyzer=index,search_analyzer=search"));
+        assertAcked(builder.addMapping("test", "text", "type=string,analyzer=index,search_analyzer=search"));
         ensureGreen();
         client().prepareIndex("test", "test", "1").setSource("text", "the fox runs across the street").get();
         refresh();
@@ -1721,7 +1721,7 @@ public class SearchQueryTests extends ElasticsearchIntegrationTest {
                 .putArray("index.analysis.analyzer.search.filter", "lowercase", "synonym")
                 .put("index.analysis.filter.synonym.type", "synonym")
                 .putArray("index.analysis.filter.synonym.synonyms", "fast, quick"));
-        assertAcked(builder.addMapping("test", "text", "type=string,index_analyzer=index,search_analyzer=search"));
+        assertAcked(builder.addMapping("test", "text", "type=string,analyzer=index,search_analyzer=search"));
         ensureGreen();
 
         client().prepareIndex("test", "test", "1").setSource("text", "quick brown fox").get();
@@ -2346,7 +2346,7 @@ public class SearchQueryTests extends ElasticsearchIntegrationTest {
                 .put("index.analysis.tokenizer.my_ngram_tokenizer.min_gram", "1")
                 .put("index.analysis.tokenizer.my_ngram_tokenizer.max_gram", "10")
                 .putArray("index.analysis.tokenizer.my_ngram_tokenizer.token_chars", new String[0]));
-        assertAcked(builder.addMapping("test", "origin", "type=string,copy_to=meta", "meta", "type=string,index_analyzer=my_ngram_analyzer"));
+        assertAcked(builder.addMapping("test", "origin", "type=string,copy_to=meta", "meta", "type=string,analyzer=my_ngram_analyzer"));
         // we only have ngrams as the index analyzer so searches will get standard analyzer
         ensureGreen();
 

src/test/java/org/elasticsearch/search/rescore/QueryRescorerTests.java

@@ -142,7 +142,7 @@ public class QueryRescorerTests extends ElasticsearchIntegrationTest {
         builder.putArray("index.analysis.filter.synonym.synonyms", "ave => ave, avenue", "street => str, street");
 
         XContentBuilder mapping = XContentFactory.jsonBuilder().startObject().startObject("type1").startObject("properties")
-                .startObject("field1").field("type", "string").field("index_analyzer", "whitespace").field("search_analyzer", "synonym")
+                .startObject("field1").field("type", "string").field("analyzer", "whitespace").field("search_analyzer", "synonym")
                 .endObject().endObject().endObject().endObject();
 
         assertAcked(client().admin().indices().prepareCreate("test").addMapping("type1", mapping).setSettings(builder.put("index.number_of_shards", 1)));
@@ -221,7 +221,7 @@ public class QueryRescorerTests extends ElasticsearchIntegrationTest {
         builder.putArray("index.analysis.filter.synonym.synonyms", "ave => ave, avenue", "street => str, street");
 
         XContentBuilder mapping = XContentFactory.jsonBuilder().startObject().startObject("type1").startObject("properties")
-                .startObject("field1").field("type", "string").field("index_analyzer", "whitespace").field("search_analyzer", "synonym")
+                .startObject("field1").field("type", "string").field("analyzer", "whitespace").field("search_analyzer", "synonym")
                 .endObject().endObject().endObject().endObject();
 
         assertAcked(client().admin().indices().prepareCreate("test").addMapping("type1", mapping).setSettings(builder.put("index.number_of_shards", 1)));
@@ -292,7 +292,7 @@ public class QueryRescorerTests extends ElasticsearchIntegrationTest {
         builder.putArray("index.analysis.filter.synonym.synonyms", "ave => ave, avenue", "street => str, street");
 
         XContentBuilder mapping = XContentFactory.jsonBuilder().startObject().startObject("type1").startObject("properties")
-                .startObject("field1").field("type", "string").field("index_analyzer", "whitespace").field("search_analyzer", "synonym")
+                .startObject("field1").field("type", "string").field("analyzer", "whitespace").field("search_analyzer", "synonym")
                 .endObject().endObject().endObject().endObject();
 
         assertAcked(client().admin().indices().prepareCreate("test").addMapping("type1", mapping).setSettings(builder.put("index.number_of_shards", 1)));

src/test/java/org/elasticsearch/search/suggest/CompletionSuggestSearchTests.java

@@ -503,7 +503,7 @@ public class CompletionSuggestSearchTests extends ElasticsearchIntegrationTest {
                 .field("path", "just_name")
                 .startObject("fields")
                 .startObject(FIELD).field("type", "string").endObject()
-                .startObject("suggest").field("type", "completion").field("index_analyzer", "simple").field("search_analyzer", "simple").endObject()
+                .startObject("suggest").field("type", "completion").field("analyzer", "simple").endObject()
                 .endObject()
                 .endObject()
                 .endObject().endObject()
@@ -548,7 +548,7 @@ public class CompletionSuggestSearchTests extends ElasticsearchIntegrationTest {
                 .field("type", "string")
                 .field("path", "just_name") // Need to specify path again, to make sure that the `path` is known when this mapping is parsed and turned into DocumentMapper that we merge with.
                 .startObject("fields")
-                .startObject("suggest").field("type", "completion").field("index_analyzer", "simple").field("search_analyzer", "simple").endObject()
+                .startObject("suggest").field("type", "completion").field("analyzer", "simple").endObject()
                 .endObject()
                 .endObject()
                 .endObject().endObject()
@@ -899,7 +899,7 @@ public class CompletionSuggestSearchTests extends ElasticsearchIntegrationTest {
                         .startObject(TYPE).startObject("properties")
                         .startObject(FIELD)
                         .field("type", "completion")
-                        .field("index_analyzer", completionMappingBuilder.indexAnalyzer)
+                        .field("analyzer", completionMappingBuilder.indexAnalyzer)
                         .field("search_analyzer", completionMappingBuilder.searchAnalyzer)
                         .field("payloads", completionMappingBuilder.payloads)
                         .field("preserve_separators", completionMappingBuilder.preserveSeparators)

src/test/java/org/elasticsearch/search/suggest/ContextSuggestSearchTests.java

@@ -167,8 +167,7 @@ public class ContextSuggestSearchTests extends ElasticsearchIntegrationTest {
         mapping.endObject();
         mapping.startObject(FIELD);
         mapping.field("type", "completion");
-        mapping.field("index_analyzer", "simple");
+        mapping.field("analyzer", "simple");
-        mapping.field("search_analyzer", "simple");
 
         mapping.startObject("context");
         mapping.value(ContextBuilder.location("st", 5, true).field("pin").build());
@@ -972,7 +971,7 @@ public class ContextSuggestSearchTests extends ElasticsearchIntegrationTest {
         mapping.startObject("properties");
         mapping.startObject(FIELD);
         mapping.field("type", "completion");
-        mapping.field("index_analyzer", indexAnalyzer);
+        mapping.field("analyzer", indexAnalyzer);
         mapping.field("search_analyzer", searchAnalyzer);
         mapping.field("payloads", payloads);
         mapping.field("preserve_separators", preserveSeparators);

src/test/java/org/elasticsearch/search/suggest/SuggestSearchTests.java

@@ -175,7 +175,7 @@ public class SuggestSearchTests extends ElasticsearchIntegrationTest {
                         .endObject()
                         .startObject("name_shingled")
                             .field("type", "string")
-                            .field("index_analyzer", "biword")
+                            .field("analyzer", "biword")
                             .field("search_analyzer", "standard")
                         .endObject()
                     .endObject()
@@ -251,7 +251,7 @@ public class SuggestSearchTests extends ElasticsearchIntegrationTest {
                         .endObject()
                         .startObject("name_shingled")
                             .field("type", "string")
-                            .field("index_analyzer", "biword")
+                            .field("analyzer", "biword")
                             .field("search_analyzer", "standard")
                         .endObject()
                     .endObject()

src/test/java/org/elasticsearch/snapshots/SharedClusterSnapshotRestoreTests.java

@@ -1480,7 +1480,7 @@ public class SharedClusterSnapshotRestoreTests extends AbstractSnapshotTests {
         assertAcked(prepareCreate("test-idx", 2, indexSettings));
 
         int numberOfShards = getNumShards("test-idx").numPrimaries;
-        assertAcked(client().admin().indices().preparePutMapping("test-idx").setType("type1").setSource("field1", "type=string,search_analyzer=my_analyzer"));
+        assertAcked(client().admin().indices().preparePutMapping("test-idx").setType("type1").setSource("field1", "type=string,analyzer=standard,search_analyzer=my_analyzer"));
         final int numdocs = randomIntBetween(10, 100);
         IndexRequestBuilder[] builders = new IndexRequestBuilder[numdocs];
         for (int i = 0; i < builders.length; i++) {