[GitHub] [arrow] vibhatha commented on a change in pull request #12033: ARROW-15091: [C++][Doc] Document nodes in C++ streaming execution engine [WIP]

[GitBox <gi...@apache.org>]

vibhatha commented on a change in pull request #12033:
URL: https://github.com/apache/arrow/pull/12033#discussion_r774563765



##########
File path: cpp/examples/arrow/exec_plan_examples.cc
##########
@@ -0,0 +1,1122 @@
+// 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 <memory>
+#include <utility>
+
+#include "arrow/compute/api.h"
+#include "arrow/compute/api_scalar.h"
+#include "arrow/compute/api_vector.h"
+#include "arrow/compute/cast.h"
+#include "arrow/compute/exec/exec_plan.h"
+#include "arrow/compute/exec/ir_consumer.h"
+#include "arrow/compute/exec/test_util.h"
+
+#include <arrow/dataset/dataset.h>
+#include <arrow/dataset/file_parquet.h>
+#include "arrow/dataset/file_base.h"
+#include "arrow/dataset/plan.h"
+#include "arrow/dataset/scanner.h"
+#include "arrow/dataset/dataset_writer.h"
+
+#include "arrow/io/interfaces.h"
+#include "arrow/io/memory.h"
+#include "arrow/io/slow.h"
+#include "arrow/io/transform.h"
+
+#include <arrow/result.h>
+#include <arrow/status.h>
+#include <arrow/table.h>
+
+#include <arrow/ipc/api.h>
+
+#include <arrow/util/future.h>
+#include "arrow/util/range.h"
+#include "arrow/util/thread_pool.h"
+#include "arrow/util/vector.h"
+
+// Demonstrate various operators in Arrow Streaming Execution Engine
+
+#define ABORT_ON_FAILURE(expr)                     \
+  do {                                             \
+    arrow::Status status_ = (expr);                \
+    if (!status_.ok()) {                           \
+      std::cerr << status_.message() << std::endl; \
+      abort();                                     \
+    }                                              \
+  } while (0);
+
+#define CHECK_AND_RETURN(expr)                     \
+  do {                                             \
+    arrow::Status status_ = (expr);                \
+    if (!status_.ok()) {                           \
+      std::cerr << status_.message() << std::endl; \
+      return EXIT_FAILURE;                         \
+    } else {                                       \
+      return EXIT_SUCCESS;                         \
+    }                                              \
+  } while (0);
+
+#define CHECK_AND_CONTINUE(expr)                   \
+  do {                                             \
+    arrow::Status status_ = (expr);                \
+    if (!status_.ok()) {                           \
+      std::cerr << status_.message() << std::endl; \
+      return EXIT_FAILURE;                         \
+    }                                              \
+  } while (0);
+
+#define SEP_STR "******"
+
+#define PRINT_BLOCK(msg)                                                     \
+  std::cout << "" << std::endl;                                              \
+  std::cout << "\t" << SEP_STR << " " << msg << " " << SEP_STR << std::endl; \
+  std::cout << "" << std::endl;
+
+#define PRINT_LINE(msg) std::cout << msg << std::endl;
+
+namespace cp = ::arrow::compute;
+
+std::shared_ptr<arrow::Array> GetArrayFromJSON(
+    const std::shared_ptr<arrow::DataType>& type, arrow::util::string_view json) {
+  std::shared_ptr<arrow::Array> out;
+
+  ABORT_ON_FAILURE(arrow::ipc::internal::json::ArrayFromJSON(type, json, &out));

Review comment:
       Yes, we can do that. Should we hard code some values or use a real world dataset for this? 




-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: github-unsubscribe@arrow.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org