Handle auto index on field path.

src/main/java/org/springframework/data/couchbase/core/index/CouchbasePersistentEntityIndexCreator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors
+ * Copyright 2012-2021 the original author or authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -34,6 +34,10 @@
 import com.couchbase.client.core.error.IndexExistsException;
 import com.couchbase.client.java.Cluster;
 
+/**
+ * @author Michael Nitschinger
+ * @author Michael Reiche
+ */
 public class CouchbasePersistentEntityIndexCreator implements ApplicationListener<MappingContextEvent<?, ?>> {
 
 	private static final Logger LOGGER = LoggerFactory.getLogger(CouchbasePersistentEntityIndexCreator.class);
@@ -95,7 +99,8 @@ private void checkForAndCreateIndexes(final CouchbasePersistentEntity<?> entity)
 	private void createIndex(final IndexDefinitionHolder indexToCreate) {
 		Cluster cluster = couchbaseOperations.getCouchbaseClientFactory().getCluster();
 
-		StringBuilder statement = new StringBuilder("CREATE INDEX ").append(indexToCreate.getIndexName()).append(" ON `")
+		StringBuilder statement = new StringBuilder("CREATE INDEX `")
+				.append(indexToCreate.getIndexName()).append("` ON `")
 				.append(couchbaseOperations.getBucketName()).append("` (")
 				.append(String.join(",", indexToCreate.getIndexFields())).append(")");
 

src/main/java/org/springframework/data/couchbase/core/index/CouchbasePersistentEntityIndexResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors
+ * Copyright 2012-2021 the original author or authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,6 +32,10 @@
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
+/**
+ * @author Michael Nitschinger
+ * @author Michael Reiche
+ */
 public class CouchbasePersistentEntityIndexResolver implements QueryIndexResolver {
 
 	private final MappingContext<? extends CouchbasePersistentEntity<?>, CouchbasePersistentProperty> mappingContext;
@@ -103,7 +107,8 @@ protected IndexDefinitionHolder createFieldQueryIndexDefinition(final CouchbaseP
 		String fieldName = index.name().isEmpty() ? property.getFieldName() : index.name();
 		fields.add(fieldName + (index.direction() == QueryIndexDirection.DESCENDING ? " DESC" : ""));
 
-		String indexName = "idx_" + StringUtils.uncapitalize(entity.getType().getSimpleName()) + "_" + fieldName;
+		String indexName = "idx_" + StringUtils.uncapitalize(entity.getType().getSimpleName()) + "_"
+				+ fieldName.replace(".", "_");
 
 		return new IndexDefinitionHolder(fields, indexName, getPredicate(entityInfo));
 	}
@@ -126,8 +131,8 @@ protected List<IndexDefinitionHolder> createCompositeQueryIndexDefinitions(final
 
 		return indexAnnotations.stream().map(ann -> {
 			List<String> fields = Arrays.asList(ann.fields());
-			String fieldsIndexName = String.join("_", fields).toLowerCase().replace(" ", "").replace("asc", "")
-					.replace("desc", "");
+			String fieldsIndexName = String.join("_", fields).toLowerCase().replace(".", "_").replace(" ", "")
+					.replace("asc", "").replace("desc", "");
 
 			String indexName = "idx_" + StringUtils.uncapitalize(entity.getType().getSimpleName()) + "_" + fieldsIndexName;
 			return new IndexDefinitionHolder(fields, indexName, predicate);

src/test/java/org/springframework/data/couchbase/domain/Airline.java

@@ -23,6 +23,7 @@
 
 @Document
 @CompositeQueryIndex(fields = { "id", "name desc" })
+@CompositeQueryIndex(fields = { "id.something", "name desc" })
 public class Airline extends ComparableEntity {
 	@Id String id;
 

src/test/java/org/springframework/data/couchbase/repository/CouchbaseRepositoryAutoQueryIndexIntegrationTests.java

@@ -62,6 +62,14 @@ void createsCompositeIndex() {
 		assertTrue(foundIndex.get().condition().get().contains("_class"));
 	}
 
+	@Test
+	void createsCompositeIndexWithPath() {
+		Optional<QueryIndex> foundIndex = cluster.queryIndexes().getAllIndexes(bucketName()).stream()
+				.filter(i -> i.name().equals("idx_airline_id_something_name")).findFirst();
+
+		assertTrue(foundIndex.isPresent());
+		assertTrue(foundIndex.get().condition().get().contains("_class"));
+	}
 	@Configuration
 	@EnableCouchbaseRepositories("org.springframework.data.couchbase")
 	static class Config extends AbstractCouchbaseConfiguration {