sqlite/dist/sqlite3.c

188184   ** poslist). This is an 0x00 byte preceded by some byte that does not
188192   ** set. So to find the start of the poslist, skip forward 2 bytes then
188195   ** Normally. The other case is that p==pStart and the poslist to return
230486   const u8 *a, int n,             /* Buffer containing poslist */
233457   const u8 *a, int n,             /* Buffer containing poslist */
234858   Fts5Buffer poslist;             /* Current position list */
235328 ** the pPhrase->poslist buffer accordingly. Output parameter *pbMatch
235347   fts5BufferZero(&pPhrase->poslist);
235401       rc = sqlite3Fts5PoslistWriterAppend(&pPhrase->poslist, &writer, iPos);
235411   *pbMatch = (pPhrase->poslist.n>0);
235453   Fts5Buffer *pOut;               /* Output poslist */
235459 ** Fts5ExprPhrase.poslist buffers are populated accordingly. This function
235499   ** the phrase poslist buffer. The new poslist for the phrase (containing
235502   ** being read. This is safe as the entries for the new poslist are a
235506     Fts5Buffer *pPoslist = &apPhrase[i]->poslist;
235639     pPhrase->poslist.n = 0;
235644           pPhrase->poslist.n = 1;
235648     return pPhrase->poslist.n;
235653     ** Populate the pPhrase->poslist buffers at the same time. If any
235665         fts5BufferSet(&rc, &pPhrase->poslist, pIter->nData, pIter->pData);
235779       pPhrase->poslist.n = 0;
235964   ** of a single term only, grab pointers into the poslist managed by the
235966   ** a new poslist the way we have to for more complicated phrase or NEAR
235975   pPhrase->poslist.n = pIter->nData;
235977     pPhrase->poslist.p = (u8*)pIter->pData;
235980   pNode->bNomatch = (pPhrase->poslist.n==0);
236360     if( pPhrase->poslist.nSpace>0 ) fts5BufferFree(&pPhrase->poslist);
237676     *pa = pPhrase->poslist.p;
237677     nRet = pPhrase->poslist.n;
237707       Fts5Buffer *pBuf = &pExpr->apExprPhrase[i]->poslist;
237780             &pExpr->apExprPhrase[i]->poslist, &p->aPopulator[i].writer, p->iOff
237829     pNode->pNear->apPhrase[0]->poslist.n = 0;
237844       return (pNode->pNear->apPhrase[0]->poslist.n>0);
237904    && pPhrase->poslist.n>0
238069   int iSzPoslist;                 /* Offset of space for 4-byte poslist size */
238320     **     + 4 byte reserved for the "poslist size" varint.
238738 **         poslist: first poslist
238741 **           poslist: next poslist
238744 **     poslist format:
238746 **         varint: size of poslist in bytes multiplied by 2, not including
239194 ** poslist:
239195 **   Used by sqlite3Fts5IterPoslist() when the poslist needs to be buffered.
239209   Fts5Buffer poslist;             /* Buffer containing current poslist */
241739     fts5BufferFree(&pIter->poslist);
242203 ** If memory is required for the new position list, use buffer pIter->poslist.
242224     if( pColset->nCol>1 && sqlite3Fts5BufferSize(pRc, &pIter->poslist, nPos) ){
242232           pIter->base.pData = pIter->poslist.p;
242233           pIter->base.nData = pIter->poslist.n;
242250         fts5BufferSafeAppendBlob(&pIter->poslist, aCopy, p-aCopy);
242253         pIter->base.pData = pIter->poslist.p;
242254         pIter->base.nData = pIter->poslist.n;
242294     ** Fts5Iter.poslist buffer and then set the output pointer to point
242296     fts5BufferZero(&pIter->poslist);
242297     fts5SegiterPoslist(pIter->pIndex, pSeg, 0, &pIter->poslist);
242298     pIter->base.pData = pIter->poslist.p;
242317   fts5BufferZero(&pIter->poslist);
242318   fts5SegiterPoslist(pIter->pIndex, pSeg, pIter->pColset, &pIter->poslist);
242320   pIter->base.pData = pIter->poslist.p;
242321   pIter->base.nData = pIter->poslist.n;
242348     u8 *aOut = pIter->poslist.p;
242366     pIter->base.pData = pIter->poslist.p;
242367     pIter->base.nData = aOut - pIter->poslist.p;
242386     fts5BufferZero(&pIter->poslist);
242390     ** Fts5Iter.poslist buffer and then set the output pointer to point
242392     fts5BufferZero(&pIter->poslist);
242393     fts5SegiterPoslist(pIter->pIndex, pSeg, pColset, &pIter->poslist);
242394     pIter->base.pData = pIter->poslist.p;
242395     pIter->base.nData = pIter->poslist.n;
242423         sqlite3Fts5BufferSize(pRc, &pIter->poslist, pConfig->nCol);
244155             /* If in secure delete mode, and if this entry in the poslist is
244222                 /* The entire poslist will fit on the current leaf. So copy
244226                 /* The entire poslist will not fit on this leaf. So it needs
244610   PrefixMerger *pNext;            /* Next in docid/poslist order */
244774       /* Copy poslist from pHead to output */
245353       /* Populate an iterator for each poslist that will be merged */
245366       if( fts5BufferGrow(&pIter->pIndex->rc, &pIter->poslist, nByte+nHit*10) ){
245384       pIter->poslist.n = 0;
245404         sqlite3Fts5PoslistSafeAppend(&pIter->poslist, &iPrev, iMinPos);
245415       pIter->base.pData = pIter->poslist.p;
245416       pIter->base.nData = pIter->poslist.n;
246751   Fts5Buffer poslist = {0,0,0};   /* Buffer used to hold a poslist */
246796     i64 iPos = 0;               /* Position read from poslist */
246797     int iOff = 0;               /* Offset within poslist */
246810       poslist.n = 0;
246811       fts5SegiterPoslist(p, &pIter->aSeg[pIter->aFirst[1].iFirst], 0, &poslist);
246812       fts5BufferAppendBlob(&p->rc, &poslist, 4, (const u8*)"\0\0\0\0");
246813       while( 0==sqlite3Fts5PoslistNext64(poslist.p, poslist.n, &iOff, &iPos) ){
246829   fts5BufferFree(&poslist);
247786   Fts5Buffer *pPoslist;           /* Pointer to current poslist */
255100         i64 iPos = 0;               /* 64-bit position read from poslist */