Port tests in cast.rs to sqllogictest

datafusion/core/tests/sql/mod.rs

@@ -81,7 +81,6 @@ macro_rules! test_expression {
 pub mod aggregates;
 #[cfg(feature = "avro")]
 pub mod avro;
-pub mod cast;
 pub mod create_drop;
 pub mod errors;
 pub mod explain_analyze;

datafusion/core/tests/sqllogictests/test_files/cast.slt

@@ -0,0 +1,58 @@
+# 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.
+
+# cast from subquery
+query T
+SELECT cast(c as varchar) FROM (SELECT 1 as c)
+----
+1
+
+# cast tinyint
+query I
+SELECT cast(10 as tinyint)
+----
+10
+
+# cast tinyint operator
+query I
+SELECT 10::tinyint
+----
+10
+
+# cast unsigned tinyint
+query I
+SELECT 10::tinyint unsigned
+----
+10
+
+# cast unsigned smallint
+query I
+SELECT 10::smallint unsigned
+----
+10
+
+# cast unsigned int
+query I
+SELECT 10::integer unsigned
+----
+10
+
+# cast unsigned bigint
+query I
+SELECT 10::bigint unsigned
+----
+10