/*
 * 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_EXECUTORIMPL_H
#define TDENGINE_EXECUTORIMPL_H

#include "tsort.h"
#ifdef __cplusplus
extern "C" {
#endif

#include "os.h"
#include "tcommon.h"
#include "tlosertree.h"
#include "ttszip.h"
#include "tvariant.h"

#include "dataSinkMgt.h"
#include "executil.h"
#include "executor.h"
#include "planner.h"
#include "scalar.h"
#include "taosdef.h"
#include "tarray.h"
#include "thash.h"
#include "tlockfree.h"
#include "tpagedbuf.h"

struct SColumnFilterElem;

typedef int32_t (*__block_search_fn_t)(char* data, int32_t num, int64_t key, int32_t order);

#define IS_QUERY_KILLED(_q) ((_q)->code == TSDB_CODE_TSC_QUERY_CANCELLED)
#define Q_STATUS_EQUAL(p, s) (((p) & (s)) != 0u)
#define QUERY_IS_ASC_QUERY(q) (GET_FORWARD_DIRECTION_FACTOR((q)->order.order) == QUERY_ASC_FORWARD_STEP)

#define GET_TABLEGROUP(q, _index) ((SArray*)taosArrayGetP((q)->tableqinfoGroupInfo.pGroupList, (_index)))

#define GET_NUM_OF_RESULTS(_r) (((_r)->outputBuf) == NULL ? 0 : ((_r)->outputBuf)->info.rows)

#define NEEDTO_COMPRESS_QUERY(size) ((size) > tsCompressColData ? 1 : 0)

enum {
  // when this task starts to execute, this status will set
  TASK_NOT_COMPLETED = 0x1u,

  /* Task is over
   * 1. this status is used in one row result query process, e.g., count/sum/first/last/ avg...etc.
   * 2. when all data within queried time window, it is also denoted as query_completed
   */
  TASK_COMPLETED = 0x2u,

  /* when the result is not completed return to client, this status will be
   * usually used in case of interval query with interpolation option
   */
  TASK_OVER = 0x4u,
};

typedef struct SResultRowCell {
  uint64_t    groupId;
  SResultRow* pRow;
} SResultRowCell;

/**
 * If the number of generated results is greater than this value,
 * query query will be halt and return results to client immediate.
 */
typedef struct SRspResultInfo {
  int64_t total;      // total generated result size in rows
  int32_t capacity;   // capacity of current result output buffer
  int32_t threshold;  // result size threshold in rows.
} SRspResultInfo;

typedef struct SColumnFilterElem {
  int16_t           bytes;  // column length
  __filter_func_t   fp;
  SColumnFilterInfo filterInfo;
  void*             q;
} SColumnFilterElem;

typedef struct SSingleColumnFilterInfo {
  void*              pData;
  void*              pData2;  // used for nchar column
  int32_t            numOfFilters;
  SColumnInfo        info;
  SColumnFilterElem* pFilters;
} SSingleColumnFilterInfo;

typedef struct STableQueryInfo {
  TSKEY          lastKey;     // last check ts
  uint64_t       uid;         // table uid
  int32_t        groupIndex;  // group id in table list
//  SVariant       tag;
  SResultRowInfo resInfo;     // result info
} STableQueryInfo;

typedef enum {
  QUERY_PROF_BEFORE_OPERATOR_EXEC = 0,
  QUERY_PROF_AFTER_OPERATOR_EXEC,
  QUERY_PROF_QUERY_ABORT
} EQueryProfEventType;

typedef struct {
  EQueryProfEventType eventType;
  int64_t             eventTime;

  union {
    uint8_t operatorType;  // for operator event
    int32_t abortCode;     // for query abort event
  };
} SQueryProfEvent;

typedef struct {
  uint8_t operatorType;
  int64_t sumSelfTime;
  int64_t sumRunTimes;
} SOperatorProfResult;

typedef struct STaskCostInfo {
  int64_t created;
  int64_t start;
  int64_t end;

  uint64_t loadStatisTime;
  uint64_t loadFileBlockTime;
  uint64_t loadDataInCacheTime;
  uint64_t loadStatisSize;
  uint64_t loadFileBlockSize;
  uint64_t loadDataInCacheSize;

  uint64_t loadDataTime;
  uint64_t totalRows;
  uint64_t totalCheckedRows;
  uint32_t totalBlocks;
  uint32_t loadBlocks;
  uint32_t loadBlockStatis;
  uint32_t discardBlocks;
  uint64_t elapsedTime;
  uint64_t firstStageMergeTime;
  uint64_t winInfoSize;
  uint64_t tableInfoSize;
  uint64_t hashSize;
  uint64_t numOfTimeWindows;

  SArray*   queryProfEvents;      // SArray<SQueryProfEvent>
  SHashObj* operatorProfResults;  // map<operator_type, SQueryProfEvent>
} STaskCostInfo;

typedef struct {
  int64_t vgroupLimit;
  int64_t ts;
} SOrderedPrjQueryInfo;

typedef struct {
  char*   tags;
  SArray* pResult;  // SArray<SStddevInterResult>
} SInterResult;

// The basic query information extracted from the SQueryInfo tree to support the
// execution of query in a data node.
typedef struct STaskAttr {
  SLimit limit;
  SLimit slimit;

  // todo comment it
  bool    stableQuery;        // super table query or not
  bool    topBotQuery;        // TODO used bitwise flag
  bool    groupbyColumn;      // denote if this is a groupby normal column query
  bool    hasTagResults;      // if there are tag values in final result or not
  bool    timeWindowInterpo;  // if the time window start/end required interpolation
  bool    queryBlockDist;     // if query data block distribution
  bool    stabledev;          // super table stddev query
  bool    tsCompQuery;        // is tscomp query
  bool    diffQuery;          // is diff query
  bool    simpleAgg;
  bool    pointInterpQuery;      // point interpolation query
  bool    needReverseScan;       // need reverse scan
  bool    distinct;              // distinct  query or not
  bool    stateWindow;           // window State on sub/normal table
  bool    createFilterOperator;  // if filter operator is needed
  bool    multigroupResult;      // multigroup result can exist in one SSDataBlock
  int32_t interBufSize;          // intermediate buffer sizse

  int32_t havingNum;  // having expr number

  SOrder  order;
  int16_t numOfCols;
  int16_t numOfTags;

  STimeWindow    window;
  SInterval      interval;
  SSessionWindow sw;
  int16_t        precision;
  int16_t        numOfOutput;
  int16_t        fillType;

  int32_t       srcRowSize;  // todo extract struct
  int32_t       resultRowSize;
  int32_t       intermediateResultRowSize;  // intermediate result row size, in case of top-k query.
  int32_t       maxTableColumnWidth;
  int32_t       tagLen;  // tag value length of current query
  SGroupbyExpr* pGroupbyExpr;

  SExprInfo* pExpr1;
  SExprInfo* pExpr2;
  int32_t    numOfExpr2;
  SExprInfo* pExpr3;
  int32_t    numOfExpr3;

  SColumnInfo*         tableCols;
  SColumnInfo*         tagColList;
  int32_t              numOfFilterCols;
  int64_t*             fillVal;
  SOrderedPrjQueryInfo prjInfo;  // limit value for each vgroup, only available in global order projection query.

  SSingleColumnFilterInfo* pFilterInfo;
  //  SFilterInfo     *pFilters;

  void*           tsdb;
  STableGroupInfo tableGroupInfo;  // table <tid, last_key> list  SArray<STableKeyInfo>
  int32_t         vgId;
  SArray*         pUdfInfo;  // no need to free
} STaskAttr;

typedef int32_t (*__optr_prepare_fn_t)(void* param);
typedef SSDataBlock* (*__operator_fn_t)(void* param, bool* newgroup);
typedef void (*__optr_cleanup_fn_t)(void* param, int32_t num);

struct SOperatorInfo;

typedef struct STaskIdInfo {
  uint64_t queryId;  // this is also a request id
  uint64_t subplanId;
  uint64_t templateId;
  char*    str;
} STaskIdInfo;

typedef struct SExecTaskInfo {
  STaskIdInfo     id;
  char*           content;
  uint32_t        status;
  STimeWindow     window;
  STaskCostInfo   cost;
  int64_t         owner;  // if it is in execution
  int32_t         code;
  uint64_t        totalRows;            // total number of rows
  STableGroupInfo tableqinfoGroupInfo;  // this is a group array list, including SArray<STableQueryInfo*> structure
  char*           sql;                  // query sql string
  jmp_buf         env;                  //
  struct SOperatorInfo* pRoot;
} SExecTaskInfo;

typedef struct STaskRuntimeEnv {
  jmp_buf    env;
  STaskAttr* pQueryAttr;
  uint32_t   status;  // query status
  void*      qinfo;
  uint8_t    scanFlag;  // denotes reversed scan of data or not
  void*      pTsdbReadHandle;

  int32_t              prevGroupId;  // previous executed group id
  bool                 enableGroupData;
  SDiskbasedBuf* pResultBuf;           // query result buffer based on blocked-wised disk file
  SHashObj*            pResultRowHashTable;  // quick locate the window object for each result
  SHashObj*            pResultRowListSet;    // used to check if current ResultRowInfo has ResultRow object or not
  SArray*              pResultRowArrayList;  // The array list that contains the Result rows
  char*                keyBuf;               // window key buffer
  // The window result objects pool, all the resultRow Objects are allocated and managed by this object.
  char** prevRow;
  SResultRowPool* pool;

  SArray*   prevResult;  // intermediate result, SArray<SInterResult>
  STSBuf*   pTsBuf;      // timestamp filter list
  STSCursor cur;

  char*                          tagVal;  // tag value of current data block
  struct SScalarFunctionSupport* scalarSup;

  SSDataBlock*    outputBuf;
  STableGroupInfo tableqinfoGroupInfo;  // this is a group array list, including SArray<STableQueryInfo*> structure
  struct SOperatorInfo* proot;
  SGroupResInfo         groupResInfo;
  int64_t               currentOffset;  // dynamic offset value

  STableQueryInfo* current;
  SRspResultInfo   resultInfo;
  SHashObj*        pTableRetrieveTsMap;
  struct SUdfInfo* pUdfInfo;
} STaskRuntimeEnv;

enum {
  OP_IN_EXECUTING = 1,
  OP_RES_TO_RETURN = 2,
  OP_EXEC_DONE = 3,
};

typedef struct SOperatorInfo {
  uint8_t          operatorType;
  bool             blockingOptr;  // block operator or not
  uint8_t          status;        // denote if current operator is completed
  int32_t          numOfOutput;   // number of columns of the current operator results
  char*            name;          // name, used to show the query execution plan
  void*            info;          // extension attribution
  SExprInfo*       pExpr;
  STaskRuntimeEnv* pRuntimeEnv;  // todo remove it
  SExecTaskInfo*   pTaskInfo;

  struct SOperatorInfo** pDownstream;      // downstram pointer list
  int32_t                numOfDownstream;  // number of downstream. The value is always ONE expect for join operator
  __optr_prepare_fn_t    prepareFn;
  __operator_fn_t        exec;
  __optr_cleanup_fn_t    cleanupFn;
} SOperatorInfo;

typedef struct {
  int32_t      numOfTags;
  int32_t      numOfCols;
  SColumnInfo* colList;
} SQueriedTableInfo;

typedef struct SQInfo {
  void*    signature;
  uint64_t qId;
  int32_t  code;   // error code to returned to client
  int64_t  owner;  // if it is in execution

  STaskRuntimeEnv runtimeEnv;
  STaskAttr       query;
  void*           pBuf;  // allocated buffer for STableQueryInfo, sizeof(STableQueryInfo)*numOfTables;

  pthread_mutex_t lock;  // used to synchronize the rsp/query threads
  tsem_t          ready;
  int32_t         dataReady;    // denote if query result is ready or not
  void*           rspContext;   // response context
  int64_t         startExecTs;  // start to exec timestamp
  char*           sql;          // query sql string
  STaskCostInfo   summary;
} SQInfo;

typedef struct STaskParam {
  char*      sql;
  char*      tagCond;
  char*      colCond;
  char*      tbnameCond;
  char*      prevResult;
  SArray*    pTableIdList;
  SSqlExpr** pExpr;
  SSqlExpr** pSecExpr;
  SExprInfo* pExprs;
  SExprInfo* pSecExprs;

  SFilterInfo* pFilters;

  SColIndex*       pGroupColIndex;
  SColumnInfo*     pTagColumnInfo;
  SGroupbyExpr*    pGroupbyExpr;
  int32_t          tableScanOperator;
  SArray*          pOperator;
  struct SUdfInfo* pUdfInfo;
} STaskParam;

enum {
  DATA_NOT_READY = 0x1,
  DATA_READY     = 0x2,
  DATA_EXHAUSTED = 0x3,
};

typedef struct SSourceDataInfo {
  struct SExchangeInfo *pEx;
  int32_t            index;
  SRetrieveTableRsp *pRsp;
  uint64_t           totalRows;
  int32_t            status;
} SSourceDataInfo;

typedef struct SExchangeInfo {
  SArray*            pSources;
  SArray*            pSourceDataInfo;
  tsem_t             ready;
  void*              pTransporter;
  SSDataBlock*       pResult;
  bool               seqLoadData;   // sequential load data or not, false by default
  int32_t            current;
  uint64_t           totalSize;     // total load bytes from remote
  uint64_t           totalRows;     // total number of rows
  uint64_t           totalElapsed;  // total elapsed time
} SExchangeInfo;

typedef struct STableScanInfo {
  void*   pTsdbReadHandle;
  int32_t numOfBlocks;  // extract basic running information.
  int32_t numOfSkipped;
  int32_t numOfBlockStatis;
  int64_t numOfRows;

  int32_t order;  // scan order
  int32_t times;  // repeat counts
  int32_t current;
  int32_t reverseTimes;  // 0 by default

  SqlFunctionCtx* pCtx;  // next operator query context
  SResultRowInfo* pResultRowInfo;
  int32_t*        rowCellInfoOffset;
  SExprInfo*      pExpr;
  SSDataBlock     block;
  int32_t         numOfOutput;
  int64_t         elapsedTime;
  int32_t         prevGroupId;  // previous table group id

  int32_t scanFlag;  // table scan flag to denote if it is a repeat/reverse/main scan
} STableScanInfo;

typedef struct STagScanInfo {
  SColumnInfo* pCols;
  SSDataBlock* pRes;
  int32_t      totalTables;
  int32_t      curPos;
} STagScanInfo;

typedef struct SStreamBlockScanInfo {
  SSDataBlock* pRes;          // result SSDataBlock
  SColumnInfo* pCols;         // the output column info
  uint64_t     numOfRows;     // total scanned rows
  uint64_t     numOfExec;     // execution times
  void*        readerHandle;  // stream block reader handle
} SStreamBlockScanInfo;

typedef struct SOptrBasicInfo {
  SResultRowInfo  resultRowInfo;
  int32_t*        rowCellInfoOffset;  // offset value for each row result cell info
  SqlFunctionCtx* pCtx;
  SSDataBlock*    pRes;
  uint32_t        resRowSize;
  int32_t         capacity;
} SOptrBasicInfo;

typedef struct SAggSupporter {
  SHashObj*            pResultRowHashTable;  // quick locate the window object for each result
  SHashObj*            pResultRowListSet;    // used to check if current ResultRowInfo has ResultRow object or not
  SArray*              pResultRowArrayList;  // The array list that contains the Result rows
  char*                keyBuf;               // window key buffer
  SResultRowPool      *pool;  // The window result objects pool, all the resultRow Objects are allocated and managed by this object.
} SAggSupporter;

typedef struct STableIntervalOperatorInfo {
  SOptrBasicInfo       binfo;
  SDiskbasedBuf       *pResultBuf;           // query result buffer based on blocked-wised disk file
  SGroupResInfo        groupResInfo;
  SInterval            interval;
  STimeWindow          win;
  int32_t              precision;
  bool                 timeWindowInterpo;
  char               **pRow;
  SAggSupporter        aggSup;
  STableQueryInfo     *pCurrent;
  int32_t              order;
} STableIntervalOperatorInfo;

typedef struct SAggOperatorInfo {
  SOptrBasicInfo       binfo;
  SDiskbasedBuf       *pResultBuf;           // query result buffer based on blocked-wised disk file
  SAggSupporter        aggSup;
  STableQueryInfo     *current;
  uint32_t             groupId;
  SGroupResInfo        groupResInfo;
  STableQueryInfo     *pTableQueryInfo;
} SAggOperatorInfo;

typedef struct SProjectOperatorInfo {
  SOptrBasicInfo binfo;
  int32_t        bufCapacity;
  uint32_t       seed;

  SSDataBlock* existDataBlock;
} SProjectOperatorInfo;

typedef struct SLimitOperatorInfo {
  int64_t limit;
  int64_t total;
} SLimitOperatorInfo;

typedef struct SSLimitOperatorInfo {
  int64_t groupTotal;
  int64_t currentGroupOffset;

  int64_t rowsTotal;
  int64_t currentOffset;
  SLimit  limit;
  SLimit  slimit;

  char**       prevRow;
  SArray*      orderColumnList;
  bool         hasPrev;
  bool         ignoreCurrentGroup;
  bool         multigroupResult;
  SSDataBlock* pRes;  // result buffer
  SSDataBlock* pPrevBlock;
  int64_t      capacity;
  int64_t      threshold;
} SSLimitOperatorInfo;

typedef struct SFilterOperatorInfo {
  SSingleColumnFilterInfo* pFilterInfo;
  int32_t                  numOfFilterCols;
} SFilterOperatorInfo;

typedef struct SFillOperatorInfo {
  struct SFillInfo* pFillInfo;
  SSDataBlock*      pRes;
  int64_t           totalInputRows;
  void**            p;
  SSDataBlock*      existNewGroupBlock;
  bool              multigroupResult;
} SFillOperatorInfo;

typedef struct SGroupbyOperatorInfo {
  SOptrBasicInfo binfo;
  int32_t        colIndex;
  char*          prevData;  // previous group by value
} SGroupbyOperatorInfo;

typedef struct SSWindowOperatorInfo {
  SOptrBasicInfo binfo;
  STimeWindow    curWindow;  // current time window
  TSKEY          prevTs;     // previous timestamp
  int32_t        numOfRows;  // number of rows
  int32_t        start;      // start row index
  bool           reptScan;   // next round scan
} SSWindowOperatorInfo;

typedef struct SStateWindowOperatorInfo {
  SOptrBasicInfo binfo;
  STimeWindow    curWindow;  // current time window
  int32_t        numOfRows;  // number of rows
  int32_t        colIndex;   // start row index
  int32_t        start;
  char*          prevData;  // previous data
  bool           reptScan;
} SStateWindowOperatorInfo;

typedef struct SDistinctDataInfo {
  int32_t index;
  int32_t type;
  int32_t bytes;
} SDistinctDataInfo;

typedef struct SDistinctOperatorInfo {
  SHashObj*    pSet;
  SSDataBlock* pRes;
  bool         recordNullVal;  // has already record the null value, no need to try again
  int64_t      threshold;
  int64_t      outputCapacity;
  int32_t      totalBytes;
  char*        buf;
  SArray*      pDistinctDataInfo;
} SDistinctOperatorInfo;

typedef struct SSortedMergeOperatorInfo {
  SOptrBasicInfo     binfo;
  bool               hasVarCol;
  
  SArray            *orderInfo;   // SArray<SBlockOrderInfo>
  bool               nullFirst;
  int32_t            numOfSources;

  SSortHandle       *pSortHandle;

  int32_t            bufPageSize;
  uint32_t           sortBufSize;  // max buffer size for in-memory sort

  int32_t            resultRowFactor;
  bool               hasGroupVal;

  SDiskbasedBuf     *pTupleStore;  // keep the final results
  int32_t            numOfResPerPage;

  char**             groupVal;
  SArray            *groupInfo;
  SAggSupporter      aggSup;
} SSortedMergeOperatorInfo;

typedef struct SOrderOperatorInfo {
  uint32_t                sortBufSize;  // max buffer size for in-memory sort
  SSDataBlock            *pDataBlock;
  bool                    hasVarCol;    // has variable length column, such as binary/varchar/nchar
  SArray                 *orderInfo;
  bool                    nullFirst;
  SSortHandle            *pSortHandle;

  int32_t                 bufPageSize;
  int32_t                 numOfRowsInRes;

  // TODO extact struct
  int64_t                 startTs;       // sort start time
  uint64_t                sortElapsed;   // sort elapsed time, time to flush to disk not included.
  uint64_t                totalSize;     // total load bytes from remote
  uint64_t                totalRows;     // total number of rows
  uint64_t                totalElapsed;  // total elapsed time
} SOrderOperatorInfo;

SOperatorInfo* createExchangeOperatorInfo(const SArray* pSources, const SArray* pSchema, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createTableScanOperatorInfo(void* pTsdbReadHandle, int32_t order, int32_t numOfOutput,
                                           int32_t repeatTime, int32_t reverseTime, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createTableSeqScanOperatorInfo(void* pTsdbReadHandle, STaskRuntimeEnv* pRuntimeEnv);
SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
SOperatorInfo* createMultiTableAggOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
SOperatorInfo* createProjectOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                         int32_t numOfOutput);
SOperatorInfo* createLimitOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream);
SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SExecTaskInfo* pTaskInfo);

SOperatorInfo* createAllTimeIntervalOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
                                                 SExprInfo* pExpr, int32_t numOfOutput);
SOperatorInfo* createSWindowOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                         int32_t numOfOutput);
SOperatorInfo* createFillOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                      int32_t numOfOutput, bool multigroupResult);
SOperatorInfo* createGroupbyOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                         int32_t numOfOutput);

SOperatorInfo* createMultiTableTimeIntervalOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
                                                        SExprInfo* pExpr, int32_t numOfOutput);
SOperatorInfo* createAllMultiTableTimeIntervalOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
                                                           SExprInfo* pExpr, int32_t numOfOutput);
SOperatorInfo* createTagScanOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SExprInfo* pExpr, int32_t numOfOutput);
SOperatorInfo* createDistinctOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                          int32_t numOfOutput);
SOperatorInfo* createTableBlockInfoScanOperator(void* pTsdbReadHandle, STaskRuntimeEnv* pRuntimeEnv);
SOperatorInfo* createMultiwaySortOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SExprInfo* pExpr, int32_t numOfOutput,
                                              int32_t numOfRows, void* merger);
SOperatorInfo* createGlobalAggregateOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
                                                 SExprInfo* pExpr, int32_t numOfOutput, void* param, SArray* pUdfInfo,
                                                 bool groupResultMixedUp);
SOperatorInfo* createStatewindowOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                             int32_t numOfOutput);
SOperatorInfo* createSLimitOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                        int32_t numOfOutput, void* merger, bool multigroupResult);
SOperatorInfo* createFilterOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
                                        int32_t numOfOutput, SColumnInfo* pCols, int32_t numOfFilter);

SOperatorInfo* createJoinOperatorInfo(SOperatorInfo** pdownstream, int32_t numOfDownstream, SSchema* pSchema,
                                      int32_t numOfOutput);
SOperatorInfo* createOrderOperatorInfo(SOperatorInfo* downstream, SArray* pExprInfo, SArray* pOrderVal, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SArray* pExprInfo, SArray* pOrderVal, SArray* pGroupInfo, SExecTaskInfo* pTaskInfo);

// SSDataBlock* doGlobalAggregate(void* param, bool* newgroup);
// SSDataBlock* doMultiwayMergeSort(void* param, bool* newgroup);
// SSDataBlock* doSLimit(void* param, bool* newgroup);

// int32_t doCreateFilterInfo(SColumnInfo* pCols, int32_t numOfCols, int32_t numOfFilterCols, SSingleColumnFilterInfo** pFilterInfo, uint64_t qId);
void doSetFilterColumnInfo(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, SSDataBlock* pBlock);
bool doFilterDataBlock(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, int32_t numOfRows, int8_t* p);
void doCompactSDataBlock(SSDataBlock* pBlock, int32_t numOfRows, int8_t* p);

SSDataBlock* createOutputBuf(SExprInfo* pExpr, int32_t numOfOutput, int32_t numOfRows);

void* doDestroyFilterInfo(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols);

void setInputDataBlock(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t order);
void finalizeQueryResult(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SResultRowInfo* pResultRowInfo,
                         int32_t* rowCellInfoOffset);
void updateOutputBuf(SOptrBasicInfo* pBInfo, int32_t* bufCapacity, int32_t numOfInputRows);
void clearOutputBuf(SOptrBasicInfo* pBInfo, int32_t* bufCapacity);
void copyTsColoum(SSDataBlock* pRes, SqlFunctionCtx* pCtx, int32_t numOfOutput);

int32_t createQueryFunc(SQueriedTableInfo* pTableInfo, int32_t numOfOutput, SExprInfo** pExprInfo, SSqlExpr** pExprMsg,
                        SColumnInfo* pTagCols, int32_t queryType, void* pMsg, struct SUdfInfo* pUdfInfo);

int32_t createIndirectQueryFuncExprFromMsg(SQueryTableReq* pQueryMsg, int32_t numOfOutput, SExprInfo** pExprInfo,
                                           SSqlExpr** pExpr, SExprInfo* prevExpr, struct SUdfInfo* pUdfInfo);

int32_t createQueryFilter(char* data, uint16_t len, SFilterInfo** pFilters);

SGroupbyExpr* createGroupbyExprFromMsg(SQueryTableReq* pQueryMsg, SColIndex* pColIndex, int32_t* code);

int32_t initQInfo(STsBufInfo* pTsBufInfo, void* tsdb, void* sourceOptr, SQInfo* pQInfo, STaskParam* param, char* start,
                  int32_t prevResultLen, void* merger);

int32_t createFilterInfo(STaskAttr* pQueryAttr, uint64_t qId);
void    freeColumnFilterInfo(SColumnFilterInfo* pFilter, int32_t numOfFilters);

STableQueryInfo* createTableQueryInfo(void* buf, bool groupbyColumn, STimeWindow win);
STableQueryInfo* createTmpTableQueryInfo(STimeWindow win);

int32_t buildArithmeticExprFromMsg(SExprInfo* pArithExprInfo, void* pQueryMsg);

bool    isTaskKilled(SExecTaskInfo* pTaskInfo);
int32_t checkForQueryBuf(size_t numOfTables);
bool    checkNeedToCompressQueryCol(SQInfo* pQInfo);
void    setQueryStatus(STaskRuntimeEnv* pRuntimeEnv, int8_t status);

int32_t doDumpQueryResult(SQInfo* pQInfo, char* data, int8_t compressed, int32_t* compLen);

size_t getResultSize(SQInfo* pQInfo, int64_t* numOfRows);
void   setTaskKilled(SExecTaskInfo* pTaskInfo);

void publishOperatorProfEvent(SOperatorInfo* operatorInfo, EQueryProfEventType eventType);
void publishQueryAbortEvent(SExecTaskInfo* pTaskInfo, int32_t code);

void calculateOperatorProfResults(SQInfo* pQInfo);
void queryCostStatis(SExecTaskInfo* pTaskInfo);

void doDestroyTask(SExecTaskInfo* pTaskInfo);
void freeQueryAttr(STaskAttr* pQuery);

int32_t getMaximumIdleDurationSec();

void    doInvokeUdf(struct SUdfInfo* pUdfInfo, SqlFunctionCtx* pCtx, int32_t idx, int32_t type);
void    setTaskStatus(SExecTaskInfo* pTaskInfo, int8_t status);
int32_t createExecTaskInfoImpl(SSubplan* pPlan, SExecTaskInfo** pTaskInfo, SReadHandle* pHandle, uint64_t taskId);

#ifdef __cplusplus
}
#endif

#endif  // TDENGINE_EXECUTORIMPL_H