add: StatementFactory new mode for scroll api

Signed-off-by: Artemiy Degtyarev <chereshnyabtw@icloud.com>
Signed-off-by: Artemiy Chereshnevvv <chereshnevvv4real@gmail.com>

Author: Artemiy Degtyarev

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/aot/JdbcCodeBlocks.java

@@ -779,7 +779,7 @@ private CodeBlock select(ExecutionDecorator decorator, String rowMapper, String
 			boolean dynamicProjection = StringUtils.hasText(context.getDynamicProjectionParameterName());
 			Object queryResultTypeRef = dynamicProjection ? context.getDynamicProjectionParameterName() : queryResultType;
 
-			if (queryMethod.isCollectionQuery() || queryMethod.isSliceQuery() || queryMethod.isPageQuery() || queryMethod.isScrollQuery()) {
+			if (queryMethod.isCollectionQuery() || queryMethod.isSliceQuery() || queryMethod.isPageQuery()) {
 
 				builder.addStatement(
 						"$1T $2L = ($1T) " + decorator.decorate("getJdbcOperations().query($3L, $4L, new $5T<>($6L))"), List.class,

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/query/StatementFactory.java

@@ -102,7 +102,7 @@ public SelectionBuilder slice(RelationalPersistentEntity<?> entity) {
 	}
 
 	public SelectionBuilder scroll(RelationalPersistentEntity<?> entity) {
-		return new SelectionBuilder(entity, SelectionBuilder.Mode.SELECT);
+		return new SelectionBuilder(entity, SelectionBuilder.Mode.SCROLL);
 	}
 
 	public class SelectionBuilder {
@@ -117,7 +117,7 @@ public class SelectionBuilder {
 		private Sort sort = Sort.unsorted();
 		private Criteria criteria = Criteria.empty();
 		private List<String> properties = new ArrayList<>();
-		private ScrollPosition scrollPosition;
+		private @Nullable ScrollPosition scrollPosition;
 
 		private SelectionBuilder(RelationalPersistentEntity<?> entity, Mode mode) {
 			this.entity = entity;
@@ -256,10 +256,9 @@ SelectBuilder.SelectWhere applyLimitAndOffset(SelectBuilder.SelectLimitOffset li
 						.offset(pageable.getOffset());
 			}
 
-			if (scrollPosition != null && scrollPosition instanceof OffsetScrollPosition && !scrollPosition.isInitial()) {
+			if (mode == Mode.SCROLL && scrollPosition != null && scrollPosition instanceof OffsetScrollPosition && !scrollPosition.isInitial())
 				limitOffsetBuilder = limitOffsetBuilder
 					.offset(((OffsetScrollPosition) scrollPosition).getOffset() + 1);
-			}
 
 			return (SelectBuilder.SelectWhere) limitOffsetBuilder;
 		}
@@ -297,7 +296,7 @@ private SelectBuilder.SelectJoin selectBuilder(Table table) {
 		}
 
 		enum Mode {
-			COUNT, EXISTS, SELECT, SLICE
+			COUNT, EXISTS, SELECT, SLICE, SCROLL
 		}
 
 	}