[feature-wip](array-type) add function arrays_overlap (#10233)

be/src/vec/functions/array/function_array_utils.cpp

@@ -0,0 +1,51 @@
+// 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 "vec/functions/array/function_array_utils.h"
+
+#include "vec/columns/column_nullable.h"
+
+namespace doris::vectorized {
+
+bool extract_column_array_info(const IColumn& src, ColumnArrayExecutionData& data) {
+    const IColumn* array_col = &src;
+    // extract array nullable info
+    if (src.is_nullable()) {
+        const auto& null_col = reinterpret_cast<const ColumnNullable&>(src);
+        data.array_nullmap_data = null_col.get_null_map_data().data();
+        array_col = null_col.get_nested_column_ptr().get();
+    }
+
+    // check and get array column
+    data.array_col = check_and_get_column<ColumnArray>(array_col);
+    if (!data.array_col) {
+        return false;
+    }
+
+    // extract array offsets and nested column
+    data.offsets_ptr = &data.array_col->get_offsets();
+    data.nested_col = &data.array_col->get_data();
+    // extract nested column is nullable
+    if (data.nested_col->is_nullable()) {
+        const auto& nested_null_col = reinterpret_cast<const ColumnNullable&>(*data.nested_col);
+        data.nested_nullmap_data = nested_null_col.get_null_map_data().data();
+        data.nested_col = nested_null_col.get_nested_column_ptr().get();
+    }
+    return true;
+}
+
+} // namespace doris::vectorized