95 lines
3.0 KiB
C++
95 lines
3.0 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 OCEANBASE_SQL_OB_EXPR_OBJECT_CONSTRUCT_H_
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#define OCEANBASE_SQL_OB_EXPR_OBJECT_CONSTRUCT_H_
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#include "common/object/ob_object.h"
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#include "sql/engine/expr/ob_expr_operator.h"
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#include "pl/ob_pl_type.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 sql
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{
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struct ObExprObjectConstructInfo : public ObIExprExtraInfo
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{
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OB_UNIS_VERSION(1);
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public:
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ObExprObjectConstructInfo(common::ObIAllocator &alloc, ObExprOperatorType type)
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: ObIExprExtraInfo(alloc, type), rowsize_(0),
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udt_id_(OB_INVALID_ID), elem_types_(alloc)
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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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int64_t rowsize_;
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uint64_t udt_id_;
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common::ObFixedArray<ObExprResType, common::ObIAllocator> elem_types_;
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};
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class ObExprObjectConstruct : public ObFuncExprOperator
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{
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OB_UNIS_VERSION(1);
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public:
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explicit ObExprObjectConstruct(common::ObIAllocator &alloc);
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virtual ~ObExprObjectConstruct();
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virtual int calc_result_typeN(ObExprResType &type,
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ObExprResType *types_stack,
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int64_t param_num,
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common::ObExprTypeCtx &type_ctx) const;
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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_object_construct(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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static int check_types(const common::ObObj *objs_stack,
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const common::ObIArray<ObExprResType> &elem_types,
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int64_t param_num);
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static int fill_obj_stack(const ObExpr &expr, ObEvalCtx &ctx, ObObj *objs);
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virtual void reset() {
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rowsize_ = 0;
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udt_id_ = OB_INVALID_ID;
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elem_types_.reset();
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ObFuncExprOperator::reset();
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}
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inline void set_rowsize(int64_t rowsize) { rowsize_ = rowsize; }
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inline void set_udt_id(uint64_t udt_id) { udt_id_ = udt_id; }
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inline int set_elem_types(const common::ObIArray<ObExprResType> &elem_types)
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{
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return elem_types_.assign(elem_types);
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}
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private:
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int64_t rowsize_;
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uint64_t udt_id_;
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common::ObSEArray<ObExprResType, 5> elem_types_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExprObjectConstruct);
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};
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} //sql
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} //oceanbase
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#endif //OCEANBASE_SQL_OB_EXPR_USER_DEFINED_FUNC_H_
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