[Fix](orc-reader-merge-io) Clear streams map when all row groups are filtered by row group stats, despite stripe stats remaining unfiltered.

regression-test/data/external_table_p2/hive/test_orc_merge_io_input_streams.out

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+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !1 --
+0
+
+-- !2 --
+60000
+

regression-test/suites/external_table_p2/hive/test_orc_merge_io_input_streams.groovy

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+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("test_orc_merge_io_input_streams", "p2,external,hive,external_remote,external_remote_hive") {
+
+    String enabled = context.config.otherConfigs.get("enableExternalHudiTest")
+    //hudi hive use same catalog in p2.
+    if (enabled == null || !enabled.equalsIgnoreCase("true")) {
+        logger.info("disable test")
+        return;
+    }
+
+    String props = context.config.otherConfigs.get("hudiEmrCatalog")
+    String hms_catalog_name = "test_orc_merge_io_input_streams"
+
+    sql """drop catalog if exists ${hms_catalog_name};"""
+    sql """
+        CREATE CATALOG IF NOT EXISTS ${hms_catalog_name}
+        PROPERTIES (
+            ${props}
+            ,'hive.version' = '3.1.3'
+        );
+    """
+
+    logger.info("catalog " + hms_catalog_name + " created")
+    sql """switch ${hms_catalog_name};"""
+    logger.info("switched to catalog " + hms_catalog_name)
+    sql """ use regression;"""
+
+    sql """ set dry_run_query=true; """
+
+    qt_1 """  SELECT trace_id as trace_id_sub,created_time FROM test_orc_merge_io_input_streams_table
+              where dt = replace(date_sub('2025-04-16', 1), '-', '') and trace_id='1210647803'; """
+    qt_2 """ select * from test_orc_merge_io_input_streams_table ; """
+
+    sql """drop catalog ${hms_catalog_name};"""
+}
+