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src/sql/engine/px/ob_sqc_ctx.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_ENG
+#include "sql/engine/px/ob_sqc_ctx.h"
+#include "lib/lock/ob_spin_lock.h"
+
+using namespace oceanbase::sql;
+
+int ObSqcCtx::add_whole_msg_provider(uint64_t op_id, ObPxDatahubDataProvider& provider)
+{
+  provider.op_id_ = op_id;
+  return whole_msg_provider_list_.push_back(&provider);
+}
+
+int ObSqcCtx::get_whole_msg_provider(uint64_t op_id, ObPxDatahubDataProvider*& provider)
+{
+  int ret = OB_SUCCESS;
+  provider = nullptr;
+  for (int i = 0; OB_SUCC(ret) && i < whole_msg_provider_list_.count(); ++i) {
+    if (OB_ISNULL(whole_msg_provider_list_.at(i))) {
+      ret = OB_ERR_UNEXPECTED;
+      LOG_WARN("should never be nullptr, unexpected", K(ret));
+    } else if (op_id == whole_msg_provider_list_.at(i)->op_id_) {
+      provider = whole_msg_provider_list_.at(i);
+      break;
+    }
+  }
+  // EXPECTED: traversal operators and register provider when sqc is starting
+  if (nullptr == provider) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("should have a whole msg provider for op", K(op_id), K(ret));
+  }
+  return ret;
+}