[fix](array-type) fix 'show create table' return null

fe/fe-core/src/main/java/org/apache/doris/catalog/TableProperty.java

@@ -75,7 +75,7 @@ public class TableProperty implements Writable {
 
     private boolean enableLightSchemaChange = false;
 
-    private Boolean disableAutoCompaction;
+    private boolean disableAutoCompaction = false;
 
     private DataSortInfo dataSortInfo = new DataSortInfo();
 

regression-test/data/query/show/test_array_show_create.out

@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !select --
+test_array_show_create	CREATE TABLE `test_array_show_create` (\n  `k1` int(11) NULL,\n  `k2` array<smallint(6)> NOT NULL,\n  `k3` array<int(11)> NOT NULL,\n  `k4` array<bigint(20)> NOT NULL,\n  `k5` array<char(1)> NOT NULL,\n  `k6` array<varchar(20)> NULL,\n  `k7` array<date> NOT NULL,\n  `k8` array<datetime> NOT NULL,\n  `k9` array<float> NOT NULL,\n  `k10` array<double> NOT NULL,\n  `k11` array<decimal(20, 6)> NULL\n) ENGINE=OLAP\nDUPLICATE KEY(`k1`)\nCOMMENT 'OLAP'\nDISTRIBUTED BY HASH(`k1`) BUCKETS 1\nPROPERTIES (\n"replication_allocation" = "tag.location.default: 1",\n"in_memory" = "false",\n"storage_format" = "V2",\n"disable_auto_compaction" = "false"\n)
+

regression-test/suites/query/show/test_array_show_create.groovy

@@ -0,0 +1,72 @@
+// 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_array_show_create", "query") {
+    // define a sql table
+    def testTable = "test_array_show_create"
+
+    def create_test_table = {testTablex ->
+        // multi-line sql
+        sql "ADMIN SET FRONTEND CONFIG ('enable_array_type' = 'true')"
+
+        def result1 = sql """
+            CREATE TABLE IF NOT EXISTS ${testTable} (
+              `k1` INT(11) NULL COMMENT "",
+              `k2` ARRAY<SMALLINT> NOT NULL COMMENT "",
+              `k3` ARRAY<INT(11)> NOT NULL COMMENT "",
+              `k4` ARRAY<BIGINT> NOT NULL COMMENT "",
+              `k5` ARRAY<CHAR> NOT NULL COMMENT "",
+              `k6` ARRAY<VARCHAR(20)> NULL COMMENT "",
+              `k7` ARRAY<DATE> NOT NULL COMMENT "", 
+              `k8` ARRAY<DATETIME> NOT NULL COMMENT "",
+              `k9` ARRAY<FLOAT> NOT NULL COMMENT "",
+              `k10` ARRAY<DOUBLE> NOT NULL COMMENT "",
+              `k11` ARRAY<DECIMAL(20, 6)> NULL COMMENT ""
+            ) ENGINE=OLAP
+            DUPLICATE KEY(`k1`)
+            DISTRIBUTED BY HASH(`k1`) BUCKETS 1
+            PROPERTIES (
+            "replication_allocation" = "tag.location.default: 1",
+            "storage_format" = "V2"
+            )
+            """
+
+        // DDL/DML return 1 row and 3 column, the only value is update row count
+        assertTrue(result1.size() == 1)
+        assertTrue(result1[0].size() == 1)
+        assertTrue(result1[0][0] == 0, "Create table should update 0 rows")
+
+        // insert 1 row to check whether the table is ok
+        def result2 = sql """ INSERT INTO ${testTable} VALUES
+                        (100, [1, 2, 3], [32767, 32768, 32769], [65534, 65535, 65536], ['a', 'b', 'c'], ["hello", "world"], 
+                        ['2022-07-13'], ['2022-07-13 12:30:00'], [0.33, 0.67], [3.1415926, 0.878787878], [4, 5.5, 6.67])
+                        """
+        assertTrue(result2.size() == 1)
+        assertTrue(result2[0].size() == 1)
+        assertTrue(result2[0][0] == 1, "Insert should update 1 rows")
+    }
+
+    try {
+        sql "DROP TABLE IF EXISTS ${testTable}"
+        create_test_table.call(testTable)
+
+        qt_select "show create table ${testTable}"
+    } finally {
+        try_sql("DROP TABLE IF EXISTS ${testTable}")
+    }
+
+}