homework-jianmu/include/libs/nodes/plannodes.h

123 lines
2.8 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_PLANN_NODES_H_
#define _TD_PLANN_NODES_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "querynodes.h"
#include "tmsg.h"
typedef struct SLogicNode {
ENodeType type;
int32_t id;
SNodeList* pTargets; // SColumnNode
SNode* pConditions;
SNodeList* pChildren;
struct SLogicNode* pParent;
} SLogicNode;
typedef enum EScanType {
SCAN_TYPE_TAG,
SCAN_TYPE_TABLE,
SCAN_TYPE_STABLE,
SCAN_TYPE_STREAM
} EScanType;
typedef struct SScanLogicNode {
SLogicNode node;
SNodeList* pScanCols;
struct STableMeta* pMeta;
EScanType scanType;
uint8_t scanFlag; // denotes reversed scan of data or not
STimeWindow scanRange;
} SScanLogicNode;
typedef struct SJoinLogicNode {
SLogicNode node;
EJoinType joinType;
SNode* pOnConditions;
} SJoinLogicNode;
typedef struct SAggLogicNode {
SLogicNode node;
SNodeList* pGroupKeys;
SNodeList* pAggFuncs;
} SAggLogicNode;
typedef struct SProjectLogicNode {
SLogicNode node;
SNodeList* pProjections;
} SProjectLogicNode;
typedef struct SSlotDescNode {
ENodeType type;
int16_t slotId;
SDataType dataType;
int16_t srcTupleId;
int16_t srcSlotId;
bool reserve;
bool output;
} SSlotDescNode;
typedef struct STupleDescNode {
ENodeType type;
int16_t tupleId;
SNodeList* pSlots;
} STupleDescNode;
typedef struct SPhysiNode {
ENodeType type;
STupleDescNode outputTuple;
SNode* pConditions;
SNodeList* pChildren;
struct SPhysiNode* pParent;
} SPhysiNode;
typedef struct SScanPhysiNode {
SPhysiNode node;
SNodeList* pScanCols;
uint64_t uid; // unique id of the table
int8_t tableType;
int32_t order; // scan order: TSDB_ORDER_ASC|TSDB_ORDER_DESC
int32_t count; // repeat count
int32_t reverse; // reverse scan count
} SScanPhysiNode;
typedef SScanPhysiNode SSystemTableScanPhysiNode;
typedef SScanPhysiNode STagScanPhysiNode;
typedef struct STableScanPhysiNode {
SScanPhysiNode scan;
uint8_t scanFlag; // denotes reversed scan of data or not
STimeWindow scanRange;
} STableScanPhysiNode;
typedef STableScanPhysiNode STableSeqScanPhysiNode;
typedef struct SProjectPhysiNode {
SPhysiNode node;
SNodeList* pProjections;
} SProjectPhysiNode;
#ifdef __cplusplus
}
#endif
#endif /*_TD_PLANN_NODES_H_*/