[Bug-Fix] Bucket shuffle join executes failed when two tables have no data

fe/fe-core/src/main/java/org/apache/doris/planner/DistributedPlanner.java

@@ -545,7 +545,7 @@ private boolean canBucketShuffleJoin(HashJoinNode node, PlanNode leftRoot,
         OlapScanNode leftScanNode = ((OlapScanNode) leftRoot);
 
         //1 the left table must be only one partition
-        if (leftScanNode.getSelectedPartitionIds().size() > 1) {
+        if (leftScanNode.getSelectedPartitionIds().size() != 1) {
             return false;
         }