diff options
Diffstat (limited to 'src/whereInt.h')
-rw-r--r-- | src/whereInt.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/whereInt.h b/src/whereInt.h index f44c04041..8ba8a7072 100644 --- a/src/whereInt.h +++ b/src/whereInt.h @@ -162,8 +162,10 @@ struct WhereLoop { /**** whereLoopXfer() copies fields above ***********************/ # define WHERE_LOOP_XFER_SZ offsetof(WhereLoop,nLSlot) u16 nLSlot; /* Number of slots allocated for aLTerm[] */ +#ifdef WHERETRACE_ENABLED LogEst rStarDelta; /* Cost delta due to star-schema heuristic. Not - ** initialized unless pWInfo->nOutStarDelta>0 */ + ** initialized unless pWInfo->bStarUsed */ +#endif WhereTerm **aLTerm; /* WhereTerms used */ WhereLoop *pNextLoop; /* Next WhereLoop object in the WhereClause */ WhereTerm *aLTermSpace[3]; /* Initial aLTerm[] space */ @@ -485,9 +487,13 @@ struct WhereInfo { unsigned bDeferredSeek :1; /* Uses OP_DeferredSeek */ unsigned untestedTerms :1; /* Not all WHERE terms resolved by outer loop */ unsigned bOrderedInnerLoop:1;/* True if only the inner-most loop is ordered */ - unsigned sorted :1; /* True if really sorted (not just grouped) */ - LogEst nOutStarDelta; /* Artifical nOut reduction for star-query */ + unsigned sorted :1; /* True if really sorted (not just grouped) */ + unsigned bStarDone :1; /* True if check for star-query is complete */ + unsigned bStarUsed :1; /* True if star-query heuristic is used */ LogEst nRowOut; /* Estimated number of output rows */ +#ifdef WHERETRACE_ENABLED + LogEst rTotalCost; /* Total cost of the solution */ +#endif int iTop; /* The very beginning of the WHERE loop */ int iEndWhere; /* End of the WHERE clause itself */ WhereLoop *pLoops; /* List of all WhereLoop objects */ |