160 typedef struct MergeEngine MergeEngine;     /* Merge PMAs together */  typedef
256 struct MergeEngine {  struct
323   MergeEngine *pMerger;           /* Or here, if bUseThreads==0 */
398   MergeEngine *pMerger;           /* Merge engine thread reads data from */
1177 static MergeEngine *vdbeMergeEngineNew(int nReader){  in vdbeMergeEngineNew()
1180   MergeEngine *pNew;              /* Pointer to allocated object to return */  in vdbeMergeEngineNew()
1185   nByte = sizeof(MergeEngine) + N * (sizeof(int) + sizeof(PmaReader));  in vdbeMergeEngineNew()
1187   pNew = sqlite3FaultSim(100) ? 0 : (MergeEngine*)sqlite3MallocZero(nByte);  in vdbeMergeEngineNew()
1200 static void vdbeMergeEngineFree(MergeEngine *pMerger){  in vdbeMergeEngineFree()
1613   MergeEngine *pMerger,      /* The merge engine to advance to the next row */  in vdbeMergeEngineStep()
1885   MergeEngine *pMerger = pIncr->pMerger;  in vdbeIncrPopulate()
1996   MergeEngine *pMerger,   /* The MergeEngine that the IncrMerger will control */  in vdbeIncrMergerNew()
2033   MergeEngine *pMerger,  /* Merge engine containing PmaReaders to compare */  in vdbeMergeEngineCompare()
2116   MergeEngine *pMerger,           /* MergeEngine to initialize */  in vdbeMergeEngineInit()
2312   MergeEngine **ppOut             /* OUT: New merge-engine */  in vdbeMergeEngineLevel0()
2314   MergeEngine *pNew;              /* Merge engine to return */  in vdbeMergeEngineLevel0()
2369   MergeEngine *pRoot,             /* Root of tree */  in vdbeSorterAddToTree()
2370   MergeEngine *pLeaf              /* Leaf to add to tree */  in vdbeSorterAddToTree()
2375   MergeEngine *p = pRoot;  in vdbeSorterAddToTree()
2389       MergeEngine *pNew = vdbeMergeEngineNew(SORTER_MAX_MERGE_COUNT);  in vdbeSorterAddToTree()
2423   MergeEngine **ppOut        /* Write the MergeEngine here */  in vdbeSorterMergeTreeBuild()
2425   MergeEngine *pMain = 0;  in vdbeSorterMergeTreeBuild()
2444       MergeEngine *pRoot = 0;     /* Root node of tree for this task */  in vdbeSorterMergeTreeBuild()
2456           MergeEngine *pMerger = 0; /* New level-0 PMA merger */  in vdbeSorterMergeTreeBuild()
2503   MergeEngine *pMain = 0;  in vdbeSorterSetupMerge()