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Check-in [f15591f802]
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Overview
Comment:Fix a potential reference off the end of an array in the query planner.
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SHA1: f15591f80212dd6d4ed8e0f14be691cd578d4cdf
User & Date: drh 2013-08-19 14:19:00.852
References
2013-08-29
14:56
Restore fix [f15591f802], which was accidentally clobbered by the stat4 merge. (check-in: d4b6ad3333 user: dan tags: trunk)
Context
2013-08-19
14:23
Remove unused variables from the command-line shell sources. (check-in: 753a402e90 user: drh tags: trunk)
14:19
Fix a potential reference off the end of an array in the query planner. (check-in: f15591f802 user: drh tags: trunk)
11:15
Fixes for harmless compiler warnings. (check-in: a0d9ca4f07 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/where.c.
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  saved_nOut = pNew->nOut;
  pNew->rSetup = 0;
  rLogSize = estLog(whereCost(pProbe->aiRowEst[0]));
  for(; rc==SQLITE_OK && pTerm!=0; pTerm = whereScanNext(&scan)){
    int nIn = 0;
    if( pTerm->prereqRight & pNew->maskSelf ) continue;
#ifdef SQLITE_ENABLE_STAT3
    if( (pTerm->wtFlags & TERM_VNULL)!=0 && pSrc->pTab->aCol[iCol].notNull ){


      continue; /* skip IS NOT NULL constraints on a NOT NULL column */
    }
#endif
    pNew->wsFlags = saved_wsFlags;
    pNew->u.btree.nEq = saved_nEq;
    pNew->nLTerm = saved_nLTerm;
    if( whereLoopResize(db, pNew, pNew->nLTerm+1) ) break; /* OOM */








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  saved_nOut = pNew->nOut;
  pNew->rSetup = 0;
  rLogSize = estLog(whereCost(pProbe->aiRowEst[0]));
  for(; rc==SQLITE_OK && pTerm!=0; pTerm = whereScanNext(&scan)){
    int nIn = 0;
    if( pTerm->prereqRight & pNew->maskSelf ) continue;
#ifdef SQLITE_ENABLE_STAT3
    if( (pTerm->wtFlags & TERM_VNULL)!=0
     && (iCol<0 || pSrc->pTab->aCol[iCol].notNull)
    ){
      continue; /* skip IS NOT NULL constraints on a NOT NULL column */
    }
#endif
    pNew->wsFlags = saved_wsFlags;
    pNew->u.btree.nEq = saved_nEq;
    pNew->nLTerm = saved_nLTerm;
    if( whereLoopResize(db, pNew, pNew->nLTerm+1) ) break; /* OOM */
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