feat: adding math sec expression

docs/source/contributor-guide/spark_expressions_support.md

@@ -413,7 +413,7 @@
 - [ ] randstr
 - [ ] rint
 - [x] round
-- [ ] sec
+- [x] sec
 - [x] shiftleft
 - [x] sign
 - [x] signum

docs/source/user-guide/latest/expressions.md

@@ -171,6 +171,7 @@ of expressions that be disabled.
 | Randn          | `randn`        |
 | Remainder      | `%`            |
 | Round          | `round`        |
+| Sec            | `sec`          |
 | Signum         | `signum`       |
 | Sin            | `sin`          |
 | Sinh           | `sinh`         |

native/core/src/execution/jni_api.rs

@@ -61,6 +61,7 @@ use datafusion_spark::function::math::expm1::SparkExpm1;
 use datafusion_spark::function::math::factorial::SparkFactorial;
 use datafusion_spark::function::math::hex::SparkHex;
 use datafusion_spark::function::math::trigonometry::SparkCsc;
+use datafusion_spark::function::math::trigonometry::SparkSec;
 use datafusion_spark::function::math::width_bucket::SparkWidthBucket;
 use datafusion_spark::function::string::char::CharFunc;
 use datafusion_spark::function::string::concat::SparkConcat;
@@ -599,6 +600,7 @@ fn register_datafusion_spark_function(session_ctx: &SessionContext) {
     session_ctx.register_udf(ScalarUDF::new_from_impl(SparkTryUrlDecode::default()));
     session_ctx.register_udf(ScalarUDF::new_from_impl(SparkCsc::default()));
     session_ctx.register_udf(ScalarUDF::new_from_impl(SparkFactorial::default()));
+    session_ctx.register_udf(ScalarUDF::new_from_impl(SparkSec::default()));
 }
 
 /// Prepares arrow arrays for output.

spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala

@@ -126,6 +126,7 @@ object QueryPlanSerde extends Logging with CometExprShim with CometTypeShim {
     classOf[Randn] -> CometRandn,
     classOf[Remainder] -> CometRemainder,
     classOf[Round] -> CometRound,
+    classOf[Sec] -> CometScalarFunction("sec"),
     classOf[Signum] -> CometScalarFunction("signum"),
     classOf[Sin] -> CometScalarFunction("sin"),
     classOf[Sinh] -> CometScalarFunction("sinh"),

spark/src/test/resources/sql-tests/expressions/math/sec.sql

@@ -0,0 +1,25 @@
+-- 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.
+
+statement
+CREATE TABLE test_sec(d double) USING parquet
+
+statement
+INSERT INTO test_sec VALUES (0.0), (-0.0), (1.5707963267948966), (-1.5707963267948966), (3.141592653589793), (NULL), (cast('NaN' as double)), (cast('Infinity' as double)), (cast('-Infinity' as double))
+
+query tolerance=1e-6
+SELECT sec(d) FROM test_sec