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src/sql/executor/ob_local_task_executor.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#define USING_LOG_PREFIX SQL_EXE
+
+#include "sql/executor/ob_local_task_executor.h"
+#include "sql/executor/ob_transmit.h"
+#include "sql/executor/ob_job.h"
+#include "sql/executor/ob_task_executor_ctx.h"
+#include "sql/executor/ob_execute_result.h"
+#include "sql/engine/ob_phy_operator.h"
+#include "sql/engine/ob_physical_plan.h"
+#include "lib/utility/utility.h"
+#include "sql/engine/ob_exec_context.h"
+#include "lib/profile/ob_perf_event.h"
+
+using namespace oceanbase::common;
+using namespace oceanbase::sql;
+
+ObLocalTaskExecutor::ObLocalTaskExecutor()
+{}
+
+ObLocalTaskExecutor::~ObLocalTaskExecutor()
+{}
+
+int ObLocalTaskExecutor::execute(ObExecContext& ctx, ObJob* job, ObTaskInfo* task_info)
+{
+  UNUSED(job);
+
+  int ret = OB_SUCCESS;
+  ObPhyOperator* root_op = NULL;
+  ObTaskExecutorCtx& task_exec_ctx = ctx.get_task_exec_ctx();
+  ObExecuteResult& exec_result = task_exec_ctx.get_execute_result();
+
+  if (OB_ISNULL(task_info)) {
+    ret = OB_NOT_INIT;
+    LOG_WARN("job or taskinfo not set", K(task_info));
+  } else {
+    if (OB_UNLIKELY(NULL == (root_op = task_info->get_root_op()))) {
+      ret = OB_NOT_INIT;
+      LOG_WARN("fail execute task. no query found.", K(root_op), K(ret));
+    } else if (OB_FAIL(build_task_op_input(ctx, *task_info, *root_op))) {
+      LOG_WARN("fail to build op input", K(ret));
+    } else {
+      // set root op into executor result
+      exec_result.set_root_op(root_op);
+      task_info->set_state(OB_TASK_STATE_RUNNING);
+    }
+
+    if (OB_FAIL(ret)) {
+      task_info->set_state(OB_TASK_STATE_FAILED);
+    }
+  }
+  NG_TRACE_EXT(local_task_completed, OB_ID(ret), ret);
+  return ret;
+}