86 lines
3.4 KiB
C++
86 lines
3.4 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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* This file contains implementation for st_geomfromwkb.
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*/
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#ifndef OCEANBASE_SQL_OB_EXPR_ST_GEOMFROMTWKB
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#define OCEANBASE_SQL_OB_EXPR_ST_GEOMFROMTWKB
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#include "sql/engine/expr/ob_expr_operator.h"
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#include "lib/geo/ob_geo_utils.h"
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#include "lib/geo/ob_srs_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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class ObIExprSTGeomFromWKB : public ObFuncExprOperator
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{
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public:
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ObIExprSTGeomFromWKB(common::ObIAllocator &alloc, ObExprOperatorType type,
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const char *name, int32_t param_num, ObValidForGeneratedColFlag valid_for_generated_col, int32_t dimension);
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virtual ~ObIExprSTGeomFromWKB() {}
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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 override;
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int eval_geom_wkb(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
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const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const override = 0;
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virtual const char *get_func_name() const = 0;
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int create_by_wkb_without_srid(common::ObIAllocator &allocator,
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const common::ObString &wkb,
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const common::ObSrsItem *srs_item,
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common::ObGeometry *&geo,
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common::ObGeoWkbByteOrder &bo) const;
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int get_type_bo_from_wkb_without_srid(const common::ObString &wkb,
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common::ObGeoType &type,
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common::ObGeoWkbByteOrder &bo) const;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObIExprSTGeomFromWKB);
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};
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class ObExprSTGeomFromWKB : public ObIExprSTGeomFromWKB
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{
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public:
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explicit ObExprSTGeomFromWKB(common::ObIAllocator &alloc);
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virtual ~ObExprSTGeomFromWKB() {}
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static int eval_st_geomfromwkb(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
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const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const override;
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const char *get_func_name() const override { return N_ST_GEOMFROMWKB; }
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExprSTGeomFromWKB);
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};
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class ObExprSTGeometryFromWKB : public ObIExprSTGeomFromWKB
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{
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public:
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explicit ObExprSTGeometryFromWKB(common::ObIAllocator &alloc);
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virtual ~ObExprSTGeometryFromWKB() {}
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static int eval_st_geometryfromwkb(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
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const ObRawExpr &raw_expr,
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ObExpr &rt_expr) const override;
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const char *get_func_name() const override { return N_ST_GEOMETRYFROMWKB; }
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private:
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DISALLOW_COPY_AND_ASSIGN(ObExprSTGeometryFromWKB);
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};
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} // sql
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} // oceanbase
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#endif // OCEANBASE_SQL_OB_EXPR_ST_GEOMFROMWKB
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