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oceanbase/src/sql/engine/expr/ob_expr_benchmark.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

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C++

/**
* 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.
*/
#ifndef OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_BENCHMARK_
#define OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_BENCHMARK_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase
{
namespace sql
{
class ObExprBenchmark : public ObFuncExprOperator
{
public:
explicit ObExprBenchmark(common::ObIAllocator &alloc);
virtual ~ObExprBenchmark() {};
virtual int calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
ObExprTypeCtx &type_ctx) const;
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const;
static int eval_benchmark(const ObExpr &expr,
ObEvalCtx &ctx,
ObDatum &expr_datum);
static int eval_benchmark_batch(const ObExpr &expr,
ObEvalCtx &ctx,
const ObBitVector &skip,
const int64_t batch_size);
private:
static int collect_exprs(common::ObIArray<ObExpr *> &exprs,
const ObExpr &root_expr,
ObEvalCtx &ctx);
static int clear_all_flags(common::ObIArray<ObExpr *> &exprs, ObEvalCtx &ctx);
DISALLOW_COPY_AND_ASSIGN(ObExprBenchmark);
};
}
}
#endif /* OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_BENCHMARK_ */