zclllyybb commented on code in PR #47307:
URL: https://github.com/apache/doris/pull/47307#discussion_r1930829499


##########
regression-test/suites/query_p0/sql_functions/string_functions/test_compress_uncompress.groovy:
##########
@@ -0,0 +1,83 @@
+// 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_compress_uncompress") {
+    // Drop the existing table
+    sql "DROP TABLE IF EXISTS test_compression"
+
+    // Create the test table
+    sql """
+        CREATE TABLE test_compression (
+            k0 INT,                      -- Primary key
+            text_col STRING,             -- String column for input data
+            binary_col STRING            -- Binary column for compressed data
+        )
+        DISTRIBUTED BY HASH(k0)
+        PROPERTIES (
+            "replication_num" = "1"
+        );
+    """
+
+    // Insert test data with various cases (removing special characters)
+    sql """
+        INSERT INTO test_compression VALUES
+        (1, 'Hello, world!', NULL),        -- Plain string

Review Comment:
   the `binary_col` should contains some valid value to uncompress



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