[fix](planner) Fix decimal precision and scale wrong when create table like

fe/fe-common/src/main/java/org/apache/doris/catalog/ScalarType.java

@@ -1188,6 +1188,16 @@ public static boolean canCastTo(ScalarType type, ScalarType targetType) {
         return PrimitiveType.isImplicitCast(type.getPrimitiveType(), targetType.getPrimitiveType());
     }
 
+    /**
+     * Decimal default precision is 9 and scale is 0, this method return whether this is
+     * default decimal v3 or v2
+     */
+    public boolean isDefaultDecimal() {
+        return (isDecimalV3() || isDecimalV2())
+                && DEFAULT_PRECISION == this.precision
+                && DEFAULT_SCALE == this.scale;
+    }
+
     @Override
     public TColumnType toColumnTypeThrift() {
         TColumnType thrift = new TColumnType();

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

@@ -735,7 +735,7 @@ public String toSql(boolean isUniqueTable, boolean isCompatible) {
                 int scale = sType.getScalarScale();
                 int precision = sType.getScalarPrecision();
                 // not default
-                if (scale > 0 && precision != 9) {
+                if (!sType.isDefaultDecimal()) {
                     sb.append("(").append(precision).append(", ").append(scale)
                             .append(")");
                 }

regression-test/data/ddl_p0/test_create_table_like.out

@@ -0,0 +1,22 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !desc_create_table --
+decimal_test	DUP_KEYS	name	VARCHAR(*)	VARCHAR(*)	Yes	true	\N		true		
+		id	SMALLINT	SMALLINT	Yes	false	\N	NONE	true		
+		timestamp0	DECIMAL	DECIMALV3(9, 0)	Yes	false	\N	NONE	true		
+		timestamp1	DECIMAL	DECIMALV3(10, 0)	Yes	false	\N	NONE	true		
+		timestamp2	DECIMAL(10, 1)	DECIMALV3(10, 1)	Yes	false	\N	NONE	true		
+		timestamp3	DECIMAL	DECIMALV3(10, 0)	Yes	false	\N	NONE	true		
+		timestamp4	DECIMAL(10, 1)	DECIMALV3(10, 1)	Yes	false	\N	NONE	true		
+
+-- !desc_create_table_like --
+decimal_test_like	DUP_KEYS	name	VARCHAR(*)	VARCHAR(*)	Yes	true	\N		true		
+		id	SMALLINT	SMALLINT	Yes	false	\N	NONE	true		
+		timestamp0	DECIMAL	DECIMALV3(9, 0)	Yes	false	\N	NONE	true		
+		timestamp1	DECIMAL	DECIMALV3(10, 0)	Yes	false	\N	NONE	true		
+		timestamp2	DECIMAL(10, 1)	DECIMALV3(10, 1)	Yes	false	\N	NONE	true		
+		timestamp3	DECIMAL	DECIMALV3(10, 0)	Yes	false	\N	NONE	true		
+		timestamp4	DECIMAL(10, 1)	DECIMALV3(10, 1)	Yes	false	\N	NONE	true		
+
+-- !select_table_like --
+test1	1	123456789	1234567891	123456789.0	1234567891	123456789.0
+

regression-test/suites/ddl_p0/test_create_table_like.groovy

@@ -0,0 +1,50 @@
+// 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.
+
+// this suite is for creating table with timestamp datatype in defferent
+// case. For example: 'year' and 'Year' datatype should also be valid in definition
+
+
+suite("test_create_table_like") {
+
+    sql """DROP TABLE IF EXISTS decimal_test"""
+    sql """CREATE TABLE decimal_test
+        (
+            `name` varchar COMMENT "1m size",
+            `id` SMALLINT COMMENT "[-32768, 32767]",
+            `timestamp0` decimal null comment "c0",
+            `timestamp1` decimal(10, 0) null comment "c1",
+            `timestamp2` decimal(10, 1) null comment "c2",
+            `timestamp3` decimalv3(10, 0) null comment "c3",
+            `timestamp4` decimalv3(10, 1) null comment "c4",
+        )
+        DISTRIBUTED BY HASH(`id`) BUCKETS 1
+        PROPERTIES ('replication_num' = '1')"""
+    qt_desc_create_table """desc decimal_test all"""
+
+    sql """DROP TABLE IF EXISTS decimal_test_like"""
+    sql """CREATE TABLE decimal_test_like LIKE decimal_test"""
+
+    qt_desc_create_table_like """desc decimal_test_like all"""
+
+
+    sql """INSERT INTO decimal_test_like
+        (`name`, `id`, `timestamp0`, `timestamp1`, `timestamp2`, `timestamp3`, `timestamp4`)
+        VALUES ("test1", 1, 123456789, 1234567891, 123456789, 1234567891, 123456789)"""
+
+    qt_select_table_like """select * from decimal_test_like"""
+}