133 lines
3.7 KiB
C
133 lines
3.7 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 TDENGINE_COMMON_H
|
|
#define TDENGINE_COMMON_H
|
|
|
|
#include "taosdef.h"
|
|
#include "tmsg.h"
|
|
#include "tarray.h"
|
|
#include "tvariant.h"
|
|
//typedef struct STimeWindow {
|
|
// TSKEY skey;
|
|
// TSKEY ekey;
|
|
//} STimeWindow;
|
|
|
|
//typedef struct {
|
|
// int32_t dataLen;
|
|
// char name[TSDB_TABLE_FNAME_LEN];
|
|
// char *data;
|
|
//} STagData;
|
|
|
|
//typedef struct SSchema {
|
|
// uint8_t type;
|
|
// char name[TSDB_COL_NAME_LEN];
|
|
// int16_t colId;
|
|
// int16_t bytes;
|
|
//} SSchema;
|
|
|
|
typedef struct SColumnDataAgg {
|
|
int16_t colId;
|
|
int64_t sum;
|
|
int64_t max;
|
|
int64_t min;
|
|
int16_t maxIndex;
|
|
int16_t minIndex;
|
|
int16_t numOfNull;
|
|
} SColumnDataAgg;
|
|
|
|
typedef struct SDataBlockInfo {
|
|
STimeWindow window;
|
|
int32_t rows;
|
|
int32_t numOfCols;
|
|
int64_t uid;
|
|
} SDataBlockInfo;
|
|
|
|
typedef struct SConstantItem {
|
|
SColumnInfo info;
|
|
int32_t startIndex; // run-length-encoding to save the space for multiple rows
|
|
int32_t endIndex;
|
|
SVariant value;
|
|
} SConstantItem;
|
|
|
|
typedef struct SSDataBlock {
|
|
SColumnDataAgg *pBlockAgg;
|
|
SArray *pDataBlock; // SArray<SColumnInfoData>
|
|
SArray *pConstantList; // SArray<SConstantItem>, it is a constant/tags value of the corresponding result value.
|
|
SDataBlockInfo info;
|
|
} SSDataBlock;
|
|
|
|
typedef struct SColumnInfoData {
|
|
SColumnInfo info; // TODO filter info needs to be removed
|
|
char *pData; // the corresponding block data in memory
|
|
} SColumnInfoData;
|
|
|
|
//======================================================================================================================
|
|
// the following structure shared by parser and executor
|
|
typedef struct SColumn {
|
|
uint64_t uid;
|
|
char name[TSDB_COL_NAME_LEN];
|
|
int8_t flag; // column type: normal column, tag, or user-input column (integer/float/string)
|
|
SColumnInfo info;
|
|
} SColumn;
|
|
|
|
typedef struct SLimit {
|
|
int64_t limit;
|
|
int64_t offset;
|
|
} SLimit;
|
|
|
|
typedef struct SOrder {
|
|
uint32_t order;
|
|
SColumn col;
|
|
} SOrder;
|
|
|
|
typedef struct SGroupbyExpr {
|
|
SArray* columnInfo; // SArray<SColIndex>, group by columns information
|
|
bool groupbyTag; // group by tag or column
|
|
} SGroupbyExpr;
|
|
|
|
// the structure for sql function in select clause
|
|
typedef struct SSqlExpr {
|
|
char token[TSDB_COL_NAME_LEN]; // original token
|
|
SSchema resSchema;
|
|
|
|
int32_t numOfCols;
|
|
SColumn* pColumns; // data columns that are required by query
|
|
int32_t interBytes; // inter result buffer size
|
|
int16_t numOfParams; // argument value of each function
|
|
SVariant param[3]; // parameters are not more than 3
|
|
} SSqlExpr;
|
|
|
|
typedef struct SExprInfo {
|
|
struct SSqlExpr base;
|
|
struct tExprNode *pExpr;
|
|
} SExprInfo;
|
|
|
|
typedef struct SStateWindow {
|
|
SColumn col;
|
|
} SStateWindow;
|
|
|
|
typedef struct SSessionWindow {
|
|
int64_t gap; // gap between two session window(in microseconds)
|
|
SColumn col;
|
|
} SSessionWindow;
|
|
|
|
#define QUERY_ASC_FORWARD_STEP 1
|
|
#define QUERY_DESC_FORWARD_STEP -1
|
|
|
|
#define GET_FORWARD_DIRECTION_FACTOR(ord) (((ord) == TSDB_ORDER_ASC) ? QUERY_ASC_FORWARD_STEP : QUERY_DESC_FORWARD_STEP)
|
|
|
|
#endif // TDENGINE_COMMON_H
|