bf604885f8
Co-authored-by: leftgeek <1094669802@qq.com> Co-authored-by: coolfishchen <coolfishchen@gmail.com> Co-authored-by: hy-guo <fqboyg@gmail.com>
68 lines
2.4 KiB
C++
68 lines
2.4 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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*/
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#ifndef OCEANBASE_SQL_OB_EXPR_LAST_REFRESH_SCN_H_
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#define OCEANBASE_SQL_OB_EXPR_LAST_REFRESH_SCN_H_
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#include "sql/engine/expr/ob_expr_operator.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 ObExprLastRefreshScn : public ObFuncExprOperator
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{
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public:
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explicit ObExprLastRefreshScn(common::ObIAllocator &alloc);
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virtual ~ObExprLastRefreshScn();
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struct LastRefreshScnExtraInfo : public ObIExprExtraInfo
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{
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OB_UNIS_VERSION(1);
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public:
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LastRefreshScnExtraInfo(common::ObIAllocator &alloc, ObExprOperatorType type)
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: ObIExprExtraInfo(alloc, type),
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mview_id_(share::OB_INVALID_SCN_VAL)
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{
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}
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virtual ~LastRefreshScnExtraInfo() { }
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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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uint64_t mview_id_;
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};
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virtual int calc_result_type0(ObExprResType &type, common::ObExprTypeCtx &type_ctx) const;
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static int eval_last_refresh_scn(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
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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 set_last_refresh_scns(const ObIArray<uint64_t> &src_mview_ids,
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ObMySQLProxy *sql_proxy,
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ObSQLSessionInfo *session,
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const share::SCN &scn,
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ObIArray<uint64_t> &mview_ids,
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ObIArray<uint64_t> &last_refresh_scns);
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static int get_last_refresh_scn_sql(const share::SCN &scn,
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const ObIArray<uint64_t> &mview_ids,
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ObSqlString &sql);
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObExprLastRefreshScn);
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};
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} //sql
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} //oceanbase
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#endif //OCEANBASE_SQL_OB_EXPR_CURRENT_SCN_H_
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