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src/sql/engine/expr/ob_expr_subquery_greater_equal.h

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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.
+ */
+
+#ifndef OCEANBASE_SQL_OB_EXPR_SUBQUERY_GREATER_EQUAL_H_
+#define OCEANBASE_SQL_OB_EXPR_SUBQUERY_GREATER_EQUAL_H_
+
+#include "lib/ob_name_def.h"
+#include "sql/engine/expr/ob_expr_operator.h"
+
+namespace oceanbase {
+namespace sql {
+class ObExprSubQueryGreaterEqual : public ObSubQueryRelationalExpr {
+  public:
+  explicit ObExprSubQueryGreaterEqual(common::ObIAllocator& alloc);
+  virtual ~ObExprSubQueryGreaterEqual();
+
+  virtual int cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override
+  {
+    return ObSubQueryRelationalExpr::cg_expr(op_cg_ctx, raw_expr, rt_expr);
+  }
+
+  private:
+  virtual int compare_single_row(const common::ObNewRow& left_row, const common::ObNewRow& right_row,
+      common::ObExprCtx& expr_ctx, common::ObObj& result) const;
+
+  private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprSubQueryGreaterEqual);
+};
+}  // namespace sql
+}  // namespace oceanbase
+#endif  // OCEANBASE_SQL_OB_EXPR_SUBQUERY_GREATER_EQUAL_H_