[regression](outfile)add regression for select outfile with underscore prefix #25797

regression-test/data/export_p0/test_outfile_csv_with_success_prefix.out

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+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !select_default1 --
+1
+2
+

regression-test/suites/export_p0/test_outfile_csv_with_success_prefix.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.
+
+import org.codehaus.groovy.runtime.IOGroovyMethods
+
+import java.nio.charset.StandardCharsets
+import java.nio.file.Files
+import java.nio.file.Paths
+
+suite("test_outfile_csv_with_success_prefix") {
+    def dbName = "test_outfile_csv_with_success_prefix"
+    sql "CREATE DATABASE IF NOT EXISTS ${dbName}"
+    sql "USE $dbName"
+    StringBuilder strBuilder = new StringBuilder()
+    strBuilder.append("curl --location-trusted -u " + context.config.jdbcUser + ":" + context.config.jdbcPassword)
+    strBuilder.append(" http://" + context.config.feHttpAddress + "/rest/v1/config/fe")
+
+    String command = strBuilder.toString()
+    def process = command.toString().execute()
+    def code = process.waitFor()
+    def err = IOGroovyMethods.getText(new BufferedReader(new InputStreamReader(process.getErrorStream())));
+    def out = process.getText()
+    logger.info("Request FE Config: code=" + code + ", out=" + out + ", err=" + err)
+    assertEquals(code, 0)
+    def response = parseJson(out.trim())
+    assertEquals(response.code, 0)
+    assertEquals(response.msg, "success")
+    def configJson = response.data.rows
+    boolean enableOutfileToLocal = false
+    for (Object conf: configJson) {
+        assert conf instanceof Map
+        if (((Map<String, String>) conf).get("Name").toLowerCase() == "enable_outfile_to_local") {
+            enableOutfileToLocal = ((Map<String, String>) conf).get("Value").toLowerCase() == "true"
+        }
+    }
+    if (!enableOutfileToLocal) {
+        logger.warn("Please set enable_outfile_to_local to true to run test_outfile")
+        return
+    }
+    def tableName = "outfile_csv_with_success_prefix"
+    def tableName2 = "outfile_csv_with_success_prefix2"
+    def uuid = UUID.randomUUID().toString()
+    def outFilePath = """/tmp/test_outfile_csv_with_success_prefix_${uuid}"""
+
+    try {
+        sql """ DROP TABLE IF EXISTS ${tableName} """
+        sql """
+        CREATE TABLE IF NOT EXISTS ${tableName} (
+            `user_id` INT NOT NULL COMMENT "用户id"
+            )
+            DISTRIBUTED BY HASH(user_id) PROPERTIES("replication_num" = "1");
+        """
+        sql """ INSERT INTO ${tableName} VALUES (1),(2);
+            """
+        order_qt_select_default1 """ SELECT * FROM ${tableName} t ORDER BY user_id; """
+
+        // check outfile
+        File path = new File(outFilePath)
+        if (!path.exists()) {
+            assert path.mkdirs()
+        } else {
+            throw new IllegalStateException("""${outFilePath} already exists! """)
+        }
+        sql """
+            SELECT * FROM ${tableName} t ORDER BY user_id INTO OUTFILE "file://${outFilePath}/" FORMAT AS CSV_WITH_NAMES
+            PROPERTIES("column_separator" = ",", "success_file_name"="_SUCCESS");
+        """
+
+        File[] files = path.listFiles()
+        boolean haveSuccessFile = false
+        // check file name
+        for(File eachFile : files) {
+            if ("_SUCCESS".equals(eachFile.getName())) {
+                haveSuccessFile = true
+                break
+            }
+        }
+        assert(haveSuccessFile == true)
+    } finally {
+        try_sql("DROP TABLE IF EXISTS ${tableName}")
+        try_sql("DROP TABLE IF EXISTS ${tableName2}")
+        File path = new File(outFilePath)
+        if (path.exists()) {
+            for (File f: path.listFiles()) {
+                f.delete();
+            }
+            path.delete();
+        }
+    }
+}
+