GH-2356 - Use specified target database name.

Fixes #2356.

Author: michael-simons

src/main/java/org/springframework/data/neo4j/core/Neo4jTemplate.java

@@ -351,6 +351,7 @@ class Tuple3<T> {
 				.collect(Collectors.toList());
 		Map<Value, Long> idToInternalIdMapping = neo4jClient
 				.query(() -> renderer.render(cypherGenerator.prepareSaveOfMultipleInstancesOf(entityMetaData)))
+				.in(databaseName)
 				.bind(entityList).to(Constants.NAME_OF_ENTITY_LIST_PARAM)
 				.fetchAs(Map.Entry.class)
 				.mappedBy((t, r) -> new AbstractMap.SimpleEntry<>(r.get(Constants.NAME_OF_ID), r.get(Constants.NAME_OF_INTERNAL_ID).asLong()))

src/main/java/org/springframework/data/neo4j/core/ReactiveNeo4jTemplate.java

@@ -346,6 +346,7 @@ public <T> Flux<T> saveAll(Iterable<T> instances) {
 									.map(binderFunction).collect(Collectors.toList());
 							return neo4jClient
 									.query(() -> renderer.render(cypherGenerator.prepareSaveOfMultipleInstancesOf(entityMetaData)))
+									.in(databaseName.getValue())
 									.bind(boundedEntityList).to(Constants.NAME_OF_ENTITY_LIST_PARAM)
 									.fetchAs(Tuple2.class)
 									.mappedBy((t, r) -> Tuples.of(r.get(Constants.NAME_OF_ID), r.get(Constants.NAME_OF_INTERNAL_ID).asLong()))