bug fixed db2 PageUtils.limit

2023-03-04 19:17:16 +00:00 · 2016-06-29 02:19:10 +08:00
parent 139a6074c5
commit 493f69c64e
1 changed files with 9 additions and 1 deletions
@@ -159,8 +159,16 @@ public class PagerUtils {

            SQLAggregateExpr aggregateExpr = new SQLAggregateExpr("ROW_NUMBER");
            SQLOrderBy orderBy = select.getOrderBy();
+            
+            if (orderBy == null && select.getQuery() instanceof SQLSelectQueryBlock) {
+                SQLSelectQueryBlock selectQueryBlcok = (SQLSelectQueryBlock) select.getQuery();
+                orderBy = selectQueryBlcok.getOrderBy();
+                selectQueryBlcok.setOrderBy(null);
+            } else {
+                select.setOrderBy(null);                
+            }
+            
            aggregateExpr.setOver(new SQLOver(orderBy));
-            select.setOrderBy(null);

            queryBlock.getSelectList().add(new SQLSelectItem(aggregateExpr, "ROWNUM"));