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src/sql/engine/expr/ob_expr_coll_pred.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 DEV_SRC_SQL_ENGINE_EXPR_OB_EXPR_COLL_PRED_H_
+#define DEV_SRC_SQL_ENGINE_EXPR_OB_EXPR_COLL_PRED_H_
+#include "lib/container/ob_fast_array.h"
+#include "sql/resolver/expr/ob_raw_expr.h"
+
+namespace oceanbase {
+namespace sql {
+class ObExprCollPred : public ObExprOperator {
+  OB_UNIS_VERSION(1);
+
+  public:
+  explicit ObExprCollPred(common::ObIAllocator& alloc);
+  virtual ~ObExprCollPred();
+
+  virtual void reset();
+  int assign(const ObExprOperator& other);
+  virtual int calc_result2(
+      common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
+  virtual int calc_result_type2(
+      ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
+
+  VIRTUAL_TO_STRING_KV(N_EXPR_TYPE, get_type_name(type_), N_EXPR_NAME, name_, N_DIM, row_dimension_, N_REAL_PARAM_NUM,
+      real_param_num_, K_(ms_type), K_(ms_modifier));
+
+  inline void set_ms_type(ObMultiSetType ms_type)
+  {
+    ms_type_ = ms_type;
+  }
+  inline ObMultiSetType get_ms_type() const
+  {
+    return ms_type_;
+  }
+  inline void set_ms_modifier(ObMultiSetModifier ms_modifier)
+  {
+    ms_modifier_ = ms_modifier;
+  }
+  inline ObMultiSetModifier get_ms_modifier() const
+  {
+    return ms_modifier_;
+  }
+
+  static int calc_is_submultiset(const ObObj& obj1, const ObObj& obj2, ObExprCtx& expr_ctx,
+      const ObExprCalcType calc_type, CollectionPredRes& result);
+  static int compare_obj(const ObObj& obj1, const ObObj& obj2, ObCompareCtx& cmp_ctx);
+
+  private:
+  DISALLOW_COPY_AND_ASSIGN(ObExprCollPred);
+
+  private:
+  ObMultiSetType ms_type_;
+  ObMultiSetModifier ms_modifier_;
+};
+
+}  // namespace sql
+}  // namespace oceanbase
+#endif /* DEV_SRC_SQL_ENGINE_EXPR_OB_EXPR_COLL_PRED_H_ */