fix IoTDBSessionSimpleIT

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/AnalyzeVisitor.java

diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/AnalyzeVisitor.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/AnalyzeVisitor.java
index 17369cb..8824083 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/AnalyzeVisitor.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/AnalyzeVisitor.java
@@ -2902,6 +2902,12 @@
     Analysis analysis = new Analysis();
     analysis.setRealStatement(showTimeSeriesStatement);
 
+    if (showTimeSeriesStatement.getPathPattern().getNodeLength() <= 1) {
+      analysis.setFinishQueryAfterAnalyze(true);
+      analysis.setRespDatasetHeader(DatasetHeaderFactory.getShowTimeSeriesHeader());
+      return analysis;
+    }
+
     PathPatternTree patternTree = new PathPatternTree();
     patternTree.appendPathPattern(showTimeSeriesStatement.getPathPattern());