11957 typedef struct IdxConstraint IdxConstraint;  typedef
11980 struct IdxConstraint {  struct
11986   IdxConstraint *pNext;           /* Next constraint in pEq or pRange list */  argument
11987   IdxConstraint *pLink;           /* See above */  argument
11997   IdxConstraint *pOrder;          /* ORDER BY columns */
11998   IdxConstraint *pEq;             /* List of == constraints */
11999   IdxConstraint *pRange;          /* List of < constraints */
12213 static IdxConstraint *idxNewConstraint(int *pRc, const char *zColl){  in idxNewConstraint()
12214   IdxConstraint *pNew;  in idxNewConstraint()
12218   pNew = (IdxConstraint*)idxMalloc(pRc, sizeof(IdxConstraint) * nColl + 1);  in idxNewConstraint()
12397         IdxConstraint *pNew;  in expertBestIndex()
12420         IdxConstraint *pNew = idxNewConstraint(&rc, p->pTab->aCol[iCol].zColl);  in expertBestIndex()
12764   IdxConstraint *pCons  in idxAppendColDefn()
12802   IdxConstraint *pEq,             /* List of == constraints */  in idxFindCompatible()
12803   IdxConstraint *pTail            /* List of range constraints */  in idxFindCompatible()
12807   IdxConstraint *pIter;  in idxFindCompatible()
12817     IdxConstraint *pT = pTail;  in idxFindCompatible()
12882   IdxConstraint *pEq,   in idxCreateFromCons()
12883   IdxConstraint *pTail  in idxCreateFromCons()
12891     IdxConstraint *pCons;  in idxCreateFromCons()
12967 static int idxFindConstraint(IdxConstraint *pList, IdxConstraint *p){  in idxFindConstraint()
12968   IdxConstraint *pCmp;  in idxFindConstraint()
12978   IdxConstraint *pTail            /* range/ORDER BY constraints for inclusion */  in idxCreateFromWhere()
12980   IdxConstraint *p1 = 0;  in idxCreateFromWhere()
12981   IdxConstraint *pCon;  in idxCreateFromWhere()
13031 static void idxConstraintFree(IdxConstraint *pConstraint){  in idxConstraintFree()
13032   IdxConstraint *pNext;  in idxConstraintFree()
13033   IdxConstraint *p;  in idxConstraintFree()