40 lines
1.7 KiB
C++
40 lines
1.7 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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* This file contains implementation for eval_st_symdifference.
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*/
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#ifndef OCEANBASE_SQL_OB_EXPR_ST_SYMDIFFERENCE_H_
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#define OCEANBASE_SQL_OB_EXPR_ST_SYMDIFFERENCE_H_
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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 "observer/omt/ob_tenant_srs.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 ObExprSTSymDifference : public ObFuncExprOperator
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{
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public:
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explicit ObExprSTSymDifference(common::ObIAllocator &alloc);
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virtual ~ObExprSTSymDifference();
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virtual int calc_result_type2(ObExprResType &type, ObExprResType &type1, ObExprResType &type2,
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common::ObExprTypeCtx &type_ctx) const override;
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static int eval_st_symdifference(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
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virtual int cg_expr(
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ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const override;
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private:
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static int process_input_geometry(omt::ObSrsCacheGuard &srs_guard, const ObExpr &expr, ObEvalCtx &ctx, ObIAllocator &allocator,
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ObGeometry *&geo1, ObGeometry *&geo2, bool &is_null_res, const ObSrsItem *&srs);
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DISALLOW_COPY_AND_ASSIGN(ObExprSTSymDifference);
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};
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} // namespace sql
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} // namespace oceanbase
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#endif // OCEANBASE_SQL_OB_EXPR_ST_SYMDIFFERENCE_H_
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