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oceanbase/src/sql/engine/expr/ob_expr_json_overlaps.h
2023-01-28 15:52:30 +08:00

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
* This file contains implementation for json_overlaps.
*/
#ifndef OCEANBASE_SQL_OB_EXPR_JSON_OVERLAPS_H_
#define OCEANBASE_SQL_OB_EXPR_JSON_OVERLAPS_H_
#include "sql/engine/expr/ob_expr_operator.h"
#include "lib/json_type/ob_json_tree.h"
using namespace oceanbase::common;
namespace oceanbase
{
namespace sql
{
class ObExprJsonOverlaps : public ObFuncExprOperator
{
public:
explicit ObExprJsonOverlaps(common::ObIAllocator &alloc);
virtual ~ObExprJsonOverlaps();
virtual int calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
ObExprTypeCtx &type_ctx) const override;
static int eval_json_overlaps(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
private:
static int json_overlaps_object(ObIJsonBase *json_a, ObIJsonBase *json_b, bool *result);
static int json_overlaps_array(ObIJsonBase *json_a, ObIJsonBase *json_b, bool *result);
static int json_overlaps(ObIJsonBase *json_a, ObIJsonBase *json_b, bool *result);
DISALLOW_COPY_AND_ASSIGN(ObExprJsonOverlaps);
};
} // sql
} // oceanbase
#endif // OCEANBASE_SQL_OB_EXPR_JSON_OVERLAPS_H_