Reinstate the getDefaultConsistency() method in the Configuration.

src/main/java/org/springframework/data/couchbase/config/AbstractCouchbaseConfiguration.java

@@ -22,6 +22,7 @@
 import java.util.HashSet;
 import java.util.Set;
 
+import com.couchbase.client.java.query.QueryScanConsistency;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Bean;
@@ -157,7 +158,8 @@ protected void configureEnvironment(final ClusterEnvironment.Builder builder) {
 	@Bean(name = BeanNames.COUCHBASE_TEMPLATE)
 	public CouchbaseTemplate couchbaseTemplate(CouchbaseClientFactory couchbaseClientFactory,
 			MappingCouchbaseConverter mappingCouchbaseConverter, TranslationService couchbaseTranslationService) {
-		return new CouchbaseTemplate(couchbaseClientFactory, mappingCouchbaseConverter, couchbaseTranslationService);
+		return new CouchbaseTemplate(couchbaseClientFactory, mappingCouchbaseConverter, couchbaseTranslationService,
+				getDefaultConsistency());
 	}
 
 	public CouchbaseTemplate couchbaseTemplate(CouchbaseClientFactory couchbaseClientFactory,
@@ -168,8 +170,8 @@ public CouchbaseTemplate couchbaseTemplate(CouchbaseClientFactory couchbaseClien
 	@Bean(name = BeanNames.REACTIVE_COUCHBASE_TEMPLATE)
 	public ReactiveCouchbaseTemplate reactiveCouchbaseTemplate(CouchbaseClientFactory couchbaseClientFactory,
 			MappingCouchbaseConverter mappingCouchbaseConverter, TranslationService couchbaseTranslationService) {
-		return new ReactiveCouchbaseTemplate(couchbaseClientFactory, mappingCouchbaseConverter,
-				couchbaseTranslationService);
+		return new ReactiveCouchbaseTemplate(couchbaseClientFactory, mappingCouchbaseConverter, couchbaseTranslationService,
+				getDefaultConsistency());
 	}
 
 	public ReactiveCouchbaseTemplate reactiveCouchbaseTemplate(CouchbaseClientFactory couchbaseClientFactory,
@@ -379,4 +381,8 @@ private boolean nonShadowedJacksonPresent() {
 		}
 	}
 
+	public QueryScanConsistency getDefaultConsistency() {
+		return null;
+	}
+
 }

src/main/java/org/springframework/data/couchbase/core/CouchbaseOperations.java

@@ -19,6 +19,8 @@
 import org.springframework.data.couchbase.CouchbaseClientFactory;
 import org.springframework.data.couchbase.core.convert.CouchbaseConverter;
 
+import com.couchbase.client.java.query.QueryScanConsistency;
+
 /**
  * Defines common operations on the Couchbase data source, most commonly implemented by {@link CouchbaseTemplate}.
  */
@@ -44,4 +46,8 @@ public interface CouchbaseOperations extends FluentCouchbaseOperations {
 	 */
 	CouchbaseClientFactory getCouchbaseClientFactory();
 
+	/**
+	 * Returns the default consistency to use for queries
+	 */
+	QueryScanConsistency getConsistency();
 }

src/main/java/org/springframework/data/couchbase/core/CouchbaseTemplate.java

@@ -28,11 +28,11 @@
 import org.springframework.data.couchbase.core.mapping.CouchbaseMappingContext;
 import org.springframework.data.couchbase.core.mapping.CouchbasePersistentEntity;
 import org.springframework.data.couchbase.core.mapping.CouchbasePersistentProperty;
-import org.springframework.data.couchbase.core.support.PseudoArgs;
 import org.springframework.data.mapping.context.MappingContext;
 import org.springframework.lang.Nullable;
 
 import com.couchbase.client.java.Collection;
+import com.couchbase.client.java.query.QueryScanConsistency;
 
 /**
  * Implements lower-level couchbase operations on top of the SDK with entity mapping capabilities.
@@ -50,18 +50,25 @@ public class CouchbaseTemplate implements CouchbaseOperations, ApplicationContex
 	private final MappingContext<? extends CouchbasePersistentEntity<?>, CouchbasePersistentProperty> mappingContext;
 	private final ReactiveCouchbaseTemplate reactiveCouchbaseTemplate;
 	private @Nullable CouchbasePersistentEntityIndexCreator indexCreator;
+	private QueryScanConsistency scanConsistency;
 
 	public CouchbaseTemplate(final CouchbaseClientFactory clientFactory, final CouchbaseConverter converter) {
 		this(clientFactory, converter, new JacksonTranslationService());
 	}
 
 	public CouchbaseTemplate(final CouchbaseClientFactory clientFactory, final CouchbaseConverter converter,
 			final TranslationService translationService) {
+		this(clientFactory, converter, translationService, null);
+	}
+
+	public CouchbaseTemplate(final CouchbaseClientFactory clientFactory, final CouchbaseConverter converter,
+			final TranslationService translationService, QueryScanConsistency scanConsistency) {
 		this.clientFactory = clientFactory;
 		this.converter = converter;
 		this.templateSupport = new CouchbaseTemplateSupport(converter, translationService);
-		this.reactiveCouchbaseTemplate = new ReactiveCouchbaseTemplate(clientFactory, converter, translationService);
-
+		this.reactiveCouchbaseTemplate = new ReactiveCouchbaseTemplate(clientFactory, converter, translationService,
+				scanConsistency);
+		this.scanConsistency = scanConsistency;
 		this.mappingContext = this.converter.getMappingContext();
 		if (mappingContext instanceof CouchbaseMappingContext) {
 			CouchbaseMappingContext cmc = (CouchbaseMappingContext) mappingContext;
@@ -136,6 +143,11 @@ public CouchbaseClientFactory getCouchbaseClientFactory() {
 		return clientFactory;
 	}
 
+	@Override
+	public QueryScanConsistency getConsistency() {
+		return scanConsistency;
+	}
+
 	/**
 	 * Provides access to a {@link Collection} on the configured {@link CouchbaseClientFactory}.
 	 *

src/main/java/org/springframework/data/couchbase/core/ReactiveCouchbaseOperations.java

@@ -20,6 +20,8 @@
 import org.springframework.data.couchbase.core.convert.CouchbaseConverter;
 import org.springframework.data.couchbase.core.support.PseudoArgs;
 
+import com.couchbase.client.java.query.QueryScanConsistency;
+
 /**
  * Defines common operations on the Couchbase data source, most commonly implemented by
  * {@link ReactiveCouchbaseTemplate}.
@@ -47,8 +49,12 @@ public interface ReactiveCouchbaseOperations extends ReactiveFluentCouchbaseOper
 	CouchbaseClientFactory getCouchbaseClientFactory();
 
 	/**
-	 * @@return the pseudoArgs from the ThreadLocal field of the CouchbaseOperations
+	 * @return the pseudoArgs from the ThreadLocal field of the CouchbaseOperations
 	 */
 	PseudoArgs<?> getPseudoArgs();
 
+	/**
+	 * @return the default consistency to use for queries
+	 */
+	QueryScanConsistency getConsistency();
 }

src/main/java/org/springframework/data/couchbase/core/ReactiveCouchbaseTemplate.java

@@ -28,6 +28,7 @@
 import org.springframework.data.couchbase.core.support.PseudoArgs;
 
 import com.couchbase.client.java.Collection;
+import com.couchbase.client.java.query.QueryScanConsistency;
 
 /**
  * template class for Reactive Couchbase operations
@@ -44,17 +45,24 @@ public class ReactiveCouchbaseTemplate implements ReactiveCouchbaseOperations, A
 	private final PersistenceExceptionTranslator exceptionTranslator;
 	private final ReactiveCouchbaseTemplateSupport templateSupport;
 	private ThreadLocal<PseudoArgs<?>> threadLocalArgs = new ThreadLocal<>();
+	private QueryScanConsistency scanConsistency;
 
 	public ReactiveCouchbaseTemplate(final CouchbaseClientFactory clientFactory, final CouchbaseConverter converter) {
 		this(clientFactory, converter, new JacksonTranslationService());
 	}
 
 	public ReactiveCouchbaseTemplate(final CouchbaseClientFactory clientFactory, final CouchbaseConverter converter,
 			final TranslationService translationService) {
+		this(clientFactory, converter, translationService, null);
+	}
+
+	public ReactiveCouchbaseTemplate(final CouchbaseClientFactory clientFactory, final CouchbaseConverter converter,
+			final TranslationService translationService, QueryScanConsistency scanConsistency) {
 		this.clientFactory = clientFactory;
 		this.converter = converter;
 		this.exceptionTranslator = clientFactory.getExceptionTranslator();
 		this.templateSupport = new ReactiveCouchbaseTemplateSupport(converter, translationService);
+		this.scanConsistency = scanConsistency;
 	}
 
 	@Override
@@ -165,4 +173,12 @@ public PseudoArgs<?> getPseudoArgs() {
 		return threadLocalArgs == null ? null : threadLocalArgs.get();
 	}
 
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public QueryScanConsistency getConsistency() {
+		return scanConsistency;
+	}
+
 }

src/main/java/org/springframework/data/couchbase/core/ReactiveFindByQueryOperationSupport.java

@@ -201,7 +201,8 @@ public Flux<T> all() {
 
 		@Override
 		public QueryOptions buildOptions(QueryOptions options) {
-			QueryOptions opts = query.buildQueryOptions(options, scanConsistency);
+			QueryScanConsistency qsc = scanConsistency != null ? scanConsistency : template.getConsistency();
+			QueryOptions opts = query.buildQueryOptions(options, qsc);
 			return opts;
 		}
 

src/main/java/org/springframework/data/couchbase/core/ReactiveRemoveByQueryOperationSupport.java

@@ -15,7 +15,6 @@
  */
 package org.springframework.data.couchbase.core;
 
-import org.springframework.util.Assert;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
@@ -26,6 +25,7 @@
 import org.springframework.data.couchbase.core.query.Query;
 import org.springframework.data.couchbase.core.support.PseudoArgs;
 import org.springframework.data.couchbase.core.support.TemplateUtils;
+import org.springframework.util.Assert;
 
 import com.couchbase.client.java.query.QueryOptions;
 import com.couchbase.client.java.query.QueryScanConsistency;
@@ -45,8 +45,7 @@ public ReactiveRemoveByQueryOperationSupport(final ReactiveCouchbaseTemplate tem
 
 	@Override
 	public <T> ReactiveRemoveByQuery<T> removeByQuery(Class<T> domainType) {
-		return new ReactiveRemoveByQuerySupport<>(template, domainType, ALL_QUERY,null, null,
-				null, null);
+		return new ReactiveRemoveByQuerySupport<>(template, domainType, ALL_QUERY, null, null, null, null);
 	}
 
 	static class ReactiveRemoveByQuerySupport<T> implements ReactiveRemoveByQuery<T> {
@@ -94,7 +93,8 @@ public Flux<RemoveResult> all() {
 		}
 
 		private QueryOptions buildQueryOptions(QueryOptions options) {
-			return query.buildQueryOptions(options, scanConsistency);
+			QueryScanConsistency qsc = scanConsistency != null ? scanConsistency : template.getConsistency();
+			return query.buildQueryOptions(options, qsc);
 		}
 
 		@Override

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

@@ -43,6 +43,10 @@
 @Repository
 public interface AirportRepository extends CouchbaseRepository<Airport, String> {
 
+	// NOT_BOUNDED to test ScanConsistency
+	// @ScanConsistency(query = QueryScanConsistency.NOT_BOUNDED)
+	Airport iata(String iata);
+
 	@Override
 	@ScanConsistency(query = QueryScanConsistency.REQUEST_PLUS)
 	List<Airport> findAll();