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new b35998a3b7 [Bug](datetimev2) Support cast datetimev2 to datetimev2
with different precision #16826
b35998a3b7 is described below
commit b35998a3b706e470a35d49ba6f177505a5612d3b
Author: Gabriel <gabrielleeb...@gmail.com>
AuthorDate: Fri Feb 17 08:42:36 2023 +0800
[Bug](datetimev2) Support cast datetimev2 to datetimev2 with different
precision #16826
---
.../java/org/apache/doris/analysis/CastExpr.java | 2 +-
.../data/datatype_p0/datetimev2/test_exprs.out | 9 +++++
.../datatype_p0/datetimev2/test_exprs.groovy | 44 ++++++++++++++++++++++
3 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
b/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
index 34f371471d..2261c69057 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
@@ -160,7 +160,7 @@ public class CastExpr extends Expr {
return true;
}
// Disable no-op casting
- return fromType.equals(toType) && !fromType.isDecimalV3();
+ return fromType.equals(toType) && !fromType.isDecimalV3() &&
!fromType.isDatetimeV2();
}
public static void initBuiltins(FunctionSet functionSet) {
diff --git a/regression-test/data/datatype_p0/datetimev2/test_exprs.out
b/regression-test/data/datatype_p0/datetimev2/test_exprs.out
new file mode 100644
index 0000000000..18fdd0de4f
--- /dev/null
+++ b/regression-test/data/datatype_p0/datetimev2/test_exprs.out
@@ -0,0 +1,9 @@
+-- This file is automatically generated. You should know what you did if you
want to edit this
+-- !select_all --
+2022-01-01T11:11:11.111
+2022-01-01T11:11:11.222
+
+-- !sql_cast_datetimev2 --
+2022-01-01T11:11:11.111
+2022-01-01T11:11:11.222
+
diff --git a/regression-test/suites/datatype_p0/datetimev2/test_exprs.groovy
b/regression-test/suites/datatype_p0/datetimev2/test_exprs.groovy
new file mode 100644
index 0000000000..89eba7c464
--- /dev/null
+++ b/regression-test/suites/datatype_p0/datetimev2/test_exprs.groovy
@@ -0,0 +1,44 @@
+// 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_exprs") {
+
+ def table1 = "test_datetimev2_exprs"
+
+ sql "drop table if exists ${table1}"
+
+ sql """
+ CREATE TABLE IF NOT EXISTS `${table1}` (
+ `col` datetimev2(3) NULL COMMENT ""
+ ) ENGINE=OLAP
+ UNIQUE KEY(`col`)
+ COMMENT "OLAP"
+ DISTRIBUTED BY HASH(`col`) BUCKETS 8
+ PROPERTIES (
+ "replication_allocation" = "tag.location.default: 1",
+ "in_memory" = "false",
+ "storage_format" = "V2"
+ )
+ """
+
+ sql """insert into ${table1} values('2022-01-01 11:11:11.111'),
+ ('2022-01-01 11:11:11.222')
+ """
+ qt_select_all "select * from ${table1} order by col"
+
+ qt_sql_cast_datetimev2 " select cast(col as datetimev2(5)) col1 from
${table1} order by col1; "
+}
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