86 lines
2.9 KiB
C++
86 lines
2.9 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_UDT_CONSTRUCT_H_
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#define OCEANBASE_SQL_OB_EXPR_UDT_CONSTRUCT_H_
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#include "sql/engine/expr/ob_expr_operator.h"
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#include "sql/engine/expr/ob_i_expr_extra_info.h"
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#include "deps/oblib/src/lib/udt/ob_udt_type.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 ObExprUdtConstructInfo : public ObIExprExtraInfo
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{
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OB_UNIS_VERSION(1);
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public:
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ObExprUdtConstructInfo(common::ObIAllocator &alloc, ObExprOperatorType type)
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: ObIExprExtraInfo(alloc, type),
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udt_id_(OB_INVALID_ID), root_udt_id_(OB_INVALID_ID), attr_pos_(0)
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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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uint64_t udt_id_;
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uint64_t root_udt_id_;
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uint64_t attr_pos_;
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};
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class ObExprUdtConstruct : public ObFuncExprOperator
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{
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OB_UNIS_VERSION(1);
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public:
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explicit ObExprUdtConstruct(common::ObIAllocator &alloc);
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virtual ~ObExprUdtConstruct();
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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_udt_construct(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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static int eval_sdo_geom_udt_access(ObIAllocator &allocator, const ObExpr &expr, ObEvalCtx &ctx,
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const ObString &swkb, uint64_t udt_id, ObDatum &res);
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inline void set_udt_id(uint64_t udt_id) { udt_id_ = udt_id; }
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inline void set_root_udt_id(uint64_t udt_id) { root_udt_id_ = udt_id; }
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inline void set_attribute_pos(uint64_t attr_pos) { attr_pos_ = attr_pos; }
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private:
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static uint64_t caculate_udt_data_length(const ObExpr &expr, ObEvalCtx &ctx);
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static int fill_udt_res_values(const ObExpr &expr, ObEvalCtx &ctx, ObSqlUDT &udt_obj,
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bool is_sub_udt, ObObj &nested_udt_bitmap_obj);
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static int fill_sub_udt_nested_bitmap(ObSqlUDT &udt_obj, ObObj &nested_udt_bitmap_obj);
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uint64_t udt_id_;
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uint64_t root_udt_id_;
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uint64_t attr_pos_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExprUdtConstruct);
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};
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} //sql
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} //oceanbase
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#endif //OCEANBASE_SQL_OB_EXPR_UDT_CONSTRUCT_H_
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