hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

patch 4.0

Browse Source
This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
Download Patch File Download Diff File Expand all files Collapse all files

77
src/sql/code_generator/ob_tsc_cg_service.h Normal file
View File

@ -0,0 +1,77 @@
/**
* 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 DEV_SRC_SQL_CODE_GENERATOR_OB_TSC_CG_SERVICE_H_
#define DEV_SRC_SQL_CODE_GENERATOR_OB_TSC_CG_SERVICE_H_
#include "sql/optimizer/ob_log_table_scan.h"
#include "sql/optimizer/ob_log_table_lookup.h"
namespace oceanbase
{
namespace sql
{
class ObStaticEngineCG;
class ObTableScanSpec;
class ObTableLookupSpec;
class ObPushdownExprSpec;
struct ObTableScanCtDef;
struct ObDASScanCtDef;
struct AgentVtAccessMeta;
//help to cg the tsc ctdef
class ObTscCgService
{
public:
ObTscCgService(ObStaticEngineCG &cg)
: cg_(cg)
{ }
int generate_tsc_ctdef(ObLogTableScan &op, ObTableScanCtDef &tsc_ctdef);
int generate_agent_vt_access_meta(const ObLogTableScan &op, ObTableScanSpec &spec);
int generate_tsc_filter(const ObLogTableScan &op, ObTableScanSpec &spec);
int generate_table_lookup_filter(const ObLogTableLookup &op, ObTableLookupSpec &spec);
int generate_pd_storage_flag(const ObLogPlan *log_plan,
const uint64_t ref_table_id,
const ObIArray<ObRawExpr *> &access_exprs,
const log_op_def::ObLogOpType op_type,
ObPushdownExprSpec &pd_spec);
int generate_table_loc_meta(uint64_t table_loc_id,
const ObDMLStmt &stmt,
const share::schema::ObTableSchema &table_schema,
const ObSQLSessionInfo &session,
ObDASTableLocMeta &loc_meta);
int generate_ddl_output_column_ids(const ObLogTableScan &op, ObTableScanSpec &spec);
int generate_das_result_output(const common::ObIArray<uint64_t> &output_cids,
ObDASScanCtDef &scan_ctdef,
const bool include_agg = false);
private:
int generate_access_ctdef(const ObLogTableScan &op, ObDASScanCtDef &scan_ctdef, bool &has_rowscn);
int generate_pushdown_aggr_ctdef(const ObLogTableScan &op, ObDASScanCtDef &scan_ctdef);
int generate_das_scan_ctdef(const ObLogTableScan &op, ObDASScanCtDef &scan_ctdef, bool &has_rowscn);
int generate_table_param(const ObLogTableScan &op, ObDASScanCtDef &scan_ctdef);
int extract_das_output_column_ids(const ObLogTableScan &op,
common::ObTableID table_id,
common::ObIArray<uint64_t> &output_cids);
int extract_pushdown_filters(const ObLogTableScan &op,
common::ObIArray<ObRawExpr*> &nonpushdown_filters,
common::ObIArray<ObRawExpr*> &pushdown_filters,
common::ObIArray<ObRawExpr*> &lookup_pushdown_filters);
int extract_das_access_exprs(const ObLogTableScan &op,
common::ObTableID scan_table_id,
common::ObIArray<ObRawExpr*> &access_exprs);
//extract these column exprs need by TSC operator, these column will output by DAS scan
int extract_tsc_access_columns(const ObLogTableScan &op, common::ObIArray<ObRawExpr*> &access_exprs);
int extract_das_column_ids(const common::ObIArray<ObRawExpr*> &column_exprs, common::ObIArray<uint64_t> &column_ids);
private:
ObStaticEngineCG &cg_;
};
} // namespace sql
} // namespace oceanbase
#endif /* DEV_SRC_SQL_CODE_GENERATOR_OB_TSC_CG_SERVICE_H_ */