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author | drh <drh@noemail.net> | 2015-08-19 15:20:00 +0000 |
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committer | drh <drh@noemail.net> | 2015-08-19 15:20:00 +0000 |
commit | 8a48b9c0b18e01b0fec665ad1c86a6fce5fbf1cf (patch) | |
tree | 585273f1e2fc5552b6442e4d53aa0eb174334eb6 /src/where.c | |
parent | 398f872d1f8d264068bc58ab9947cb7aa6a42427 (diff) | |
download | sqlite-8a48b9c0b18e01b0fec665ad1c86a6fce5fbf1cf.tar.gz sqlite-8a48b9c0b18e01b0fec665ad1c86a6fce5fbf1cf.zip |
Minor refactor of the SrcList object so that it is able to hold the argument
list to a table-valued-function in the FROM clause.
FossilOrigin-Name: b919376147597c4b73421abe5788f893baf1560b
Diffstat (limited to 'src/where.c')
-rw-r--r-- | src/where.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/where.c b/src/where.c index 3c0f767db..2a84a5952 100644 --- a/src/where.c +++ b/src/where.c @@ -709,7 +709,7 @@ static void constructAutomaticIndex( /* Fill the automatic index with content */ sqlite3ExprCachePush(pParse); pTabItem = &pWC->pWInfo->pTabList->a[pLevel->iFrom]; - if( pTabItem->viaCoroutine ){ + if( pTabItem->fg.viaCoroutine ){ int regYield = pTabItem->regReturn; sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pTabItem->addrFillSub); addrTop = sqlite3VdbeAddOp1(v, OP_Yield, regYield); @@ -728,10 +728,10 @@ static void constructAutomaticIndex( sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord); sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); if( pPartial ) sqlite3VdbeResolveLabel(v, iContinue); - if( pTabItem->viaCoroutine ){ + if( pTabItem->fg.viaCoroutine ){ translateColumnToCopy(v, addrTop, pLevel->iTabCur, pTabItem->regResult); sqlite3VdbeAddOp2(v, OP_Goto, 0, addrTop); - pTabItem->viaCoroutine = 0; + pTabItem->fg.viaCoroutine = 0; }else{ sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v); } @@ -2128,7 +2128,7 @@ static int whereLoopAddBtreeIndex( assert( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 ); if( pNew->wsFlags & WHERE_BTM_LIMIT ){ opMask = WO_LT|WO_LE; - }else if( /*pProbe->tnum<=0 ||*/ (pSrc->jointype & JT_LEFT)!=0 ){ + }else if( /*pProbe->tnum<=0 ||*/ (pSrc->fg.jointype & JT_LEFT)!=0 ){ opMask = WO_EQ|WO_IN|WO_GT|WO_GE|WO_LT|WO_LE; }else{ opMask = WO_EQ|WO_IN|WO_GT|WO_GE|WO_LT|WO_LE|WO_ISNULL|WO_IS; @@ -2502,9 +2502,9 @@ static int whereLoopAddBtree( pWC = pBuilder->pWC; assert( !IsVirtual(pSrc->pTab) ); - if( pSrc->pIndex ){ + if( pSrc->pIBIndex ){ /* An INDEXED BY clause specifies a particular index to use */ - pProbe = pSrc->pIndex; + pProbe = pSrc->pIBIndex; }else if( !HasRowid(pTab) ){ pProbe = pTab->pIndex; }else{ @@ -2524,7 +2524,7 @@ static int whereLoopAddBtree( aiRowEstPk[0] = pTab->nRowLogEst; aiRowEstPk[1] = 0; pFirst = pSrc->pTab->pIndex; - if( pSrc->notIndexed==0 ){ + if( pSrc->fg.notIndexed==0 ){ /* The real indices of the table are only considered if the ** NOT INDEXED qualifier is omitted from the FROM clause */ sPk.pNext = pFirst; @@ -2536,14 +2536,14 @@ static int whereLoopAddBtree( #ifndef SQLITE_OMIT_AUTOMATIC_INDEX /* Automatic indexes */ - if( !pBuilder->pOrSet /* Not part of an OR optimization */ + if( !pBuilder->pOrSet /* Not part of an OR optimization */ && (pWInfo->wctrlFlags & WHERE_NO_AUTOINDEX)==0 && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 - && pSrc->pIndex==0 /* Has no INDEXED BY clause */ - && !pSrc->notIndexed /* Has no NOT INDEXED clause */ - && HasRowid(pTab) /* Is not a WITHOUT ROWID table. (FIXME: Why not?) */ - && !pSrc->isCorrelated /* Not a correlated subquery */ - && !pSrc->isRecursive /* Not a recursive common table expression. */ + && pSrc->pIBIndex==0 /* Has no INDEXED BY clause */ + && !pSrc->fg.notIndexed /* Has no NOT INDEXED clause */ + && HasRowid(pTab) /* Is not a WITHOUT ROWID table. (FIXME: Why not?) */ + && !pSrc->fg.isCorrelated /* Not a correlated subquery */ + && !pSrc->fg.isRecursive /* Not a recursive common table expression. */ ){ /* Generate auto-index WhereLoops */ WhereTerm *pTerm; @@ -2664,7 +2664,7 @@ static int whereLoopAddBtree( /* If there was an INDEXED BY clause, then only that one index is ** considered. */ - if( pSrc->pIndex ) break; + if( pSrc->pIBIndex ) break; } return rc; } @@ -3010,16 +3010,16 @@ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){ Bitmask mUnusable = 0; pNew->iTab = iTab; pNew->maskSelf = sqlite3WhereGetMask(&pWInfo->sMaskSet, pItem->iCursor); - if( ((pItem->jointype|priorJointype) & (JT_LEFT|JT_CROSS))!=0 ){ + if( ((pItem->fg.jointype|priorJointype) & (JT_LEFT|JT_CROSS))!=0 ){ /* This condition is true when pItem is the FROM clause term on the ** right-hand-side of a LEFT or CROSS JOIN. */ mExtra = mPrior; } - priorJointype = pItem->jointype; + priorJointype = pItem->fg.jointype; if( IsVirtual(pItem->pTab) ){ struct SrcList_item *p; for(p=&pItem[1]; p<pEnd; p++){ - if( mUnusable || (p->jointype & (JT_LEFT|JT_CROSS)) ){ + if( mUnusable || (p->fg.jointype & (JT_LEFT|JT_CROSS)) ){ mUnusable |= sqlite3WhereGetMask(&pWInfo->sMaskSet, p->iCursor); } } @@ -3749,7 +3749,7 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ pItem = pWInfo->pTabList->a; pTab = pItem->pTab; if( IsVirtual(pTab) ) return 0; - if( pItem->zIndexedBy ) return 0; + if( pItem->fg.isIndexedBy ) return 0; iCur = pItem->iCursor; pWC = &pWInfo->sWC; pLoop = pBuilder->pNew; @@ -4136,7 +4136,7 @@ WhereInfo *sqlite3WhereBegin( while( pWInfo->nLevel>=2 ){ WhereTerm *pTerm, *pEnd; pLoop = pWInfo->a[pWInfo->nLevel-1].pWLoop; - if( (pWInfo->pTabList->a[pLoop->iTab].jointype & JT_LEFT)==0 ) break; + if( (pWInfo->pTabList->a[pLoop->iTab].fg.jointype & JT_LEFT)==0 ) break; if( (wctrlFlags & WHERE_WANT_DISTINCT)==0 && (pLoop->wsFlags & WHERE_ONEROW)==0 ){ @@ -4429,7 +4429,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){ ** the co-routine into OP_Copy of result contained in a register. ** OP_Rowid becomes OP_Null. */ - if( pTabItem->viaCoroutine && !db->mallocFailed ){ + if( pTabItem->fg.viaCoroutine && !db->mallocFailed ){ translateColumnToCopy(v, pLevel->addrBody, pLevel->iTabCur, pTabItem->regResult); continue; |