102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef DEV_SRC_SQL_ENGINE_EXPR_OB_EXPR_COLL_PRED_H_
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#define DEV_SRC_SQL_ENGINE_EXPR_OB_EXPR_COLL_PRED_H_
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#include "sql/engine/expr/ob_expr_multiset.h"
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#include "lib/container/ob_fast_array.h"
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#include "sql/resolver/expr/ob_raw_expr.h"
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#include "sql/engine/expr/ob_i_expr_extra_info.h"
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namespace oceanbase
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{
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namespace pl{
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class ObPLCollectoin;
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}
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namespace sql
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{
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struct ObExprCollPredInfo : public ObIExprExtraInfo
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{
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OB_UNIS_VERSION(1);
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public:
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ObExprCollPredInfo(common::ObIAllocator &alloc, ObExprOperatorType type)
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: ObIExprExtraInfo(alloc, type)
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{
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}
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virtual int deep_copy(common::ObIAllocator &allocator,
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const ObExprOperatorType type,
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ObIExprExtraInfo *&copied_info) const override;
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template <typename RE>
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int from_raw_expr(RE &expr);
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ObMultiSetType ms_type_;
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ObMultiSetModifier ms_modifier_;
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int64_t tz_offset_;
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ObExprResType result_type_;
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};
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class ObExprCollPred : public ObExprOperator
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{
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OB_UNIS_VERSION(1);
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public:
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explicit ObExprCollPred(common::ObIAllocator &alloc);
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virtual ~ObExprCollPred();
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virtual void reset();
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int assign(const ObExprOperator &other);
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virtual int calc_result_type2(ObExprResType &type,
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ObExprResType &type1,
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ObExprResType &type2,
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common::ObExprTypeCtx &type_ctx) const;
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VIRTUAL_TO_STRING_KV(N_EXPR_TYPE, get_type_name(type_),
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N_EXPR_NAME, name_,
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N_DIM, row_dimension_,
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N_REAL_PARAM_NUM, real_param_num_,
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K_(ms_type),
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K_(ms_modifier));
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inline void set_ms_type(ObMultiSetType ms_type) { ms_type_ = ms_type; }
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inline ObMultiSetType get_ms_type() const { return ms_type_; }
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inline void set_ms_modifier(ObMultiSetModifier ms_modifier) { ms_modifier_ = ms_modifier; }
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inline ObMultiSetModifier get_ms_modifier() const { return ms_modifier_; }
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static int calc_is_submultiset(const ObObj &obj1,
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const ObObj &obj2,
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int64_t tz_offset,
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const ObExprCalcType calc_type,
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CollectionPredRes &result);
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static int compare_obj(const ObObj &obj1, const ObObj &obj2, ObCompareCtx &cmp_ctx);
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static int calc_collection_is_contained_without_null(const pl::ObPLCollection *c1,
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const pl::ObPLCollection *c2,
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int64_t tz_offset,
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const ObExprCalcType calc_type,
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CollectionPredRes &result);
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virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
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const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const override;
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static int eval_coll_pred(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExprCollPred);
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private:
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ObMultiSetType ms_type_;
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ObMultiSetModifier ms_modifier_;
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};
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} // namespace sql
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} // namespace oceanbase
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#endif /* DEV_SRC_SQL_ENGINE_EXPR_OB_EXPR_COLL_PRED_H_ */
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