Add spatial func (#1213)

Support some spatial functions, such as ST_Contains.

be/src/testutil/function_utils.cpp

@@ -0,0 +1,45 @@
+// 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.
+
+#include "testutil/function_utils.h"
+
+#include <vector>
+
+#include "runtime/mem_pool.h"
+#include "runtime/mem_tracker.h"
+#include "udf/udf_internal.h"
+#include "udf/udf.h"
+
+namespace doris {
+
+FunctionUtils::FunctionUtils() {
+    doris_udf::FunctionContext::TypeDesc return_type;
+    std::vector<doris_udf::FunctionContext::TypeDesc> arg_types;
+    _mem_tracker = new MemTracker();
+    _memory_pool = new MemPool(_mem_tracker);
+    _fn_ctx = FunctionContextImpl::create_context(
+        _state, _memory_pool, return_type, arg_types, 0, false);
+}
+
+FunctionUtils::~FunctionUtils() {
+    _fn_ctx->impl()->close();
+    delete _fn_ctx;
+    delete _memory_pool;
+    delete _mem_tracker;
+}
+
+}