diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/analyze.c | 12 | ||||
-rw-r--r-- | src/build.c | 40 | ||||
-rw-r--r-- | src/delete.c | 6 | ||||
-rw-r--r-- | src/expr.c | 8 | ||||
-rw-r--r-- | src/fkey.c | 8 | ||||
-rw-r--r-- | src/insert.c | 29 | ||||
-rw-r--r-- | src/pragma.c | 6 | ||||
-rw-r--r-- | src/sqliteInt.h | 7 | ||||
-rw-r--r-- | src/update.c | 2 | ||||
-rw-r--r-- | src/vdbeblob.c | 2 | ||||
-rw-r--r-- | src/vdbemem.c | 2 | ||||
-rw-r--r-- | src/where.c | 94 |
12 files changed, 110 insertions, 106 deletions
diff --git a/src/analyze.c b/src/analyze.c index 30ea0f606..89d666c05 100644 --- a/src/analyze.c +++ b/src/analyze.c @@ -916,7 +916,7 @@ static void analyzeOneTable( if( pOnlyIdx && pOnlyIdx!=pIdx ) continue; if( pIdx->pPartIdxWhere==0 ) needTableCnt = 0; VdbeNoopComment((v, "Begin analysis of %s", pIdx->zName)); - nCol = pIdx->nColumn; + nCol = pIdx->nKeyCol; aGotoChng = sqlite3DbMallocRaw(db, sizeof(int)*(nCol+1)); if( aGotoChng==0 ) continue; pKey = sqlite3IndexKeyinfo(pParse, pIdx); @@ -1081,7 +1081,7 @@ static void analyzeOneTable( pIdx->aiColumn[0], regSample); #else for(i=0; i<nCol; i++){ - int iCol = pIdx->aiColumn[i]; + i16 iCol = pIdx->aiColumn[i]; sqlite3ExprCodeGetColumnOfTable(v, pTab, iTabCur, iCol, regCol+i); } sqlite3VdbeAddOp3(v, OP_MakeRecord, regCol, nCol+1, regSample); @@ -1337,7 +1337,7 @@ static int analysisLoader(void *pData, int argc, char **argv, char **NotUsed){ z = argv[2]; if( pIndex ){ - decodeIntArray((char*)z, pIndex->nColumn+1, pIndex->aiRowEst, pIndex); + decodeIntArray((char*)z, pIndex->nKeyCol+1, pIndex->aiRowEst, pIndex); if( pIndex->pPartIdxWhere==0 ) pTable->nRowEst = pIndex->aiRowEst[0]; }else{ Index fakeIdx; @@ -1383,7 +1383,7 @@ static void initAvgEq(Index *pIdx){ IndexSample *aSample = pIdx->aSample; IndexSample *pFinal = &aSample[pIdx->nSample-1]; int iCol; - for(iCol=0; iCol<pIdx->nColumn; iCol++){ + for(iCol=0; iCol<pIdx->nKeyCol; iCol++){ int i; /* Used to iterate through samples */ tRowcnt sumEq = 0; /* Sum of the nEq values */ tRowcnt nSum = 0; /* Number of terms contributing to sumEq */ @@ -1466,8 +1466,8 @@ static int loadStatTbl( ** loaded from the stat4 table. In this case ignore stat3 data. */ if( pIdx==0 || pIdx->nSample ) continue; if( bStat3==0 ){ - nIdxCol = pIdx->nColumn+1; - nAvgCol = pIdx->nColumn; + nIdxCol = pIdx->nKeyCol+1; + nAvgCol = pIdx->nKeyCol; } pIdx->nSampleCol = nIdxCol; nByte = sizeof(IndexSample) * nSample; diff --git a/src/build.c b/src/build.c index acd498350..58950330c 100644 --- a/src/build.c +++ b/src/build.c @@ -1314,7 +1314,7 @@ void sqlite3AddCollateType(Parse *pParse, Token *pToken){ ** collation type was added. Correct this if it is the case. */ for(pIdx=p->pIndex; pIdx; pIdx=pIdx->pNext){ - assert( pIdx->nColumn==1 ); + assert( pIdx->nKeyCol==1 ); if( pIdx->aiColumn[0]==i ){ pIdx->azColl[0] = p->aCol[i].zColl; } @@ -1524,12 +1524,13 @@ static void estimateTableWidth(Table *pTab){ ** Estimate the average size of a row for an index. */ static void estimateIndexWidth(Index *pIdx){ - unsigned wIndex = 1; + unsigned wIndex = 0; int i; const Column *aCol = pIdx->pTable->aCol; for(i=0; i<pIdx->nColumn; i++){ - assert( pIdx->aiColumn[i]>=0 && pIdx->aiColumn[i]<pIdx->pTable->nCol ); - wIndex += aCol[pIdx->aiColumn[i]].szEst; + i16 x = pIdx->aiColumn[i]; + assert( x<pIdx->pTable->nCol ); + wIndex += x<0 ? 1 : aCol[pIdx->aiColumn[i]].szEst; } pIdx->szIdxRow = sqlite3LogEst(wIndex*4); } @@ -2524,7 +2525,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){ */ Index *sqlite3AllocateIndexObject( sqlite3 *db, /* Database connection */ - int nCol, /* Number of columns in the index */ + i16 nCol, /* Total number of columns in the index */ int nExtra, /* Number of bytes of extra space to alloc */ char **ppExtra /* Pointer to the "extra" space */ ){ @@ -2534,16 +2535,17 @@ Index *sqlite3AllocateIndexObject( nByte = ROUND8(sizeof(Index)) + /* Index structure */ ROUND8(sizeof(char*)*nCol) + /* Index.azColl */ ROUND8(sizeof(tRowcnt)*(nCol+1) + /* Index.aiRowEst */ - sizeof(int)*nCol + /* Index.aiColumn */ + sizeof(i16)*nCol + /* Index.aiColumn */ sizeof(u8)*nCol); /* Index.aSortOrder */ p = sqlite3DbMallocZero(db, nByte + nExtra); if( p ){ char *pExtra = ((char*)p)+ROUND8(sizeof(Index)); p->azColl = (char**)pExtra; pExtra += ROUND8(sizeof(char*)*nCol); p->aiRowEst = (tRowcnt*)pExtra; pExtra += sizeof(tRowcnt)*(nCol+1); - p->aiColumn = (int*)pExtra; pExtra += sizeof(int)*nCol; + p->aiColumn = (i16*)pExtra; pExtra += sizeof(i16)*nCol; p->aSortOrder = (u8*)pExtra; p->nColumn = nCol; + p->nKeyCol = nCol - 1; *ppExtra = ((char*)p) + nByte; } return p; @@ -2763,7 +2765,7 @@ Index *sqlite3CreateIndex( ** Allocate the index structure. */ nName = sqlite3Strlen30(zName); - pIndex = sqlite3AllocateIndexObject(db, pList->nExpr, + pIndex = sqlite3AllocateIndexObject(db, pList->nExpr + 1, nName + nExtra + 1, &zExtra); if( db->mallocFailed ){ goto exit_create_index; @@ -2774,7 +2776,6 @@ Index *sqlite3CreateIndex( zExtra += nName + 1; memcpy(pIndex->zName, zName, nName+1); pIndex->pTable = pTab; - pIndex->nColumn = pList->nExpr; pIndex->onError = (u8)onError; pIndex->uniqNotNull = onError==OE_Abort; pIndex->autoIndex = (u8)(pName==0); @@ -2818,7 +2819,8 @@ Index *sqlite3CreateIndex( pParse->checkSchema = 1; goto exit_create_index; } - pIndex->aiColumn[i] = j; + assert( pTab->nCol<=0x7fff && j<=0x7fff ); + pIndex->aiColumn[i] = (i16)j; if( pListItem->pExpr ){ int nColl; assert( pListItem->pExpr->op==TK_COLLATE ); @@ -2841,6 +2843,8 @@ Index *sqlite3CreateIndex( pIndex->aSortOrder[i] = (u8)requestedSortOrder; if( pTab->aCol[j].notNull==0 ) pIndex->uniqNotNull = 0; } + pIndex->aiColumn[i] = -1; + pIndex->azColl[i] = "BINARY"; sqlite3DefaultRowEst(pIndex); if( pParse->pNewTable==0 ) estimateIndexWidth(pIndex); @@ -2873,8 +2877,8 @@ Index *sqlite3CreateIndex( assert( pIdx->autoIndex ); assert( pIndex->onError!=OE_None ); - if( pIdx->nColumn!=pIndex->nColumn ) continue; - for(k=0; k<pIdx->nColumn; k++){ + if( pIdx->nKeyCol!=pIndex->nKeyCol ) continue; + for(k=0; k<pIdx->nKeyCol; k++){ const char *z1; const char *z2; if( pIdx->aiColumn[k]!=pIndex->aiColumn[k] ) break; @@ -2882,7 +2886,7 @@ Index *sqlite3CreateIndex( z2 = pIndex->azColl[k]; if( z1!=z2 && sqlite3StrICmp(z1, z2) ) break; } - if( k==pIdx->nColumn ){ + if( k==pIdx->nKeyCol ){ if( pIdx->onError!=pIndex->onError ){ /* This constraint creates the same index as a previous ** constraint specified somewhere in the CREATE TABLE statement. @@ -3051,12 +3055,12 @@ void sqlite3DefaultRowEst(Index *pIdx){ a[0] = pIdx->pTable->nRowEst; if( a[0]<10 ) a[0] = 10; n = 10; - for(i=1; i<=pIdx->nColumn; i++){ + for(i=1; i<=pIdx->nKeyCol; i++){ a[i] = n; if( n>5 ) n--; } if( pIdx->onError!=OE_None ){ - a[pIdx->nColumn] = 1; + a[pIdx->nKeyCol] = 1; } } @@ -3764,8 +3768,8 @@ static int collationMatch(const char *zColl, Index *pIndex){ assert( zColl!=0 ); for(i=0; i<pIndex->nColumn; i++){ const char *z = pIndex->azColl[i]; - assert( z!=0 ); - if( 0==sqlite3StrICmp(z, zColl) ){ + assert( z!=0 || pIndex->aiColumn[i]<0 ); + if( pIndex->aiColumn[i]>=0 && 0==sqlite3StrICmp(z, zColl) ){ return 1; } } @@ -3895,7 +3899,7 @@ void sqlite3Reindex(Parse *pParse, Token *pName1, Token *pName2){ */ KeyInfo *sqlite3IndexKeyinfo(Parse *pParse, Index *pIdx){ int i; - int nCol = pIdx->nColumn; + int nCol = pIdx->nKeyCol; KeyInfo *pKey; pKey = sqlite3KeyInfoAlloc(pParse->db, nCol); diff --git a/src/delete.c b/src/delete.c index 5eaae4fb8..38257a1af 100644 --- a/src/delete.c +++ b/src/delete.c @@ -598,7 +598,7 @@ void sqlite3GenerateRowIndexDelete( for(i=1, pIdx=pTab->pIndex; pIdx; i++, pIdx=pIdx->pNext){ if( aRegIdx!=0 && aRegIdx[i-1]==0 ) continue; r1 = sqlite3GenerateIndexKey(pParse, pIdx, iCur, 0, 0, &iPartIdxLabel); - sqlite3VdbeAddOp3(v, OP_IdxDelete, iCur+i, r1, pIdx->nColumn+1); + sqlite3VdbeAddOp3(v, OP_IdxDelete, iCur+i, r1, pIdx->nKeyCol+1); sqlite3VdbeResolveLabel(v, iPartIdxLabel); } } @@ -645,11 +645,11 @@ int sqlite3GenerateIndexKey( *piPartIdxLabel = 0; } } - nCol = pIdx->nColumn; + nCol = pIdx->nKeyCol; regBase = sqlite3GetTempRange(pParse, nCol+1); sqlite3VdbeAddOp2(v, OP_Rowid, iCur, regBase+nCol); for(j=0; j<nCol; j++){ - int idx = pIdx->aiColumn[j]; + i16 idx = pIdx->aiColumn[j]; if( idx==pTab->iPKey ){ sqlite3VdbeAddOp2(v, OP_SCopy, regBase+nCol, regBase+j); }else{ diff --git a/src/expr.c b/src/expr.c index eb2f54563..58895562d 100644 --- a/src/expr.c +++ b/src/expr.c @@ -1532,8 +1532,8 @@ int sqlite3FindInIndex(Parse *pParse, Expr *pX, int *prNotFound){ sqlite3 *db = pParse->db; /* Database connection */ Table *pTab; /* Table <table>. */ Expr *pExpr; /* Expression <column> */ - int iCol; /* Index of column <column> */ - int iDb; /* Database idx for pTab */ + i16 iCol; /* Index of column <column> */ + i16 iDb; /* Database idx for pTab */ assert( p ); /* Because of isCandidateForInOpt(p) */ assert( p->pEList!=0 ); /* Because of isCandidateForInOpt(p) */ @@ -1541,7 +1541,7 @@ int sqlite3FindInIndex(Parse *pParse, Expr *pX, int *prNotFound){ assert( p->pSrc!=0 ); /* Because of isCandidateForInOpt(p) */ pTab = p->pSrc->a[0].pTab; pExpr = p->pEList->a[0].pExpr; - iCol = pExpr->iColumn; + iCol = (i16)pExpr->iColumn; /* Code an OP_VerifyCookie and OP_TableLock for <table>. */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); @@ -1579,7 +1579,7 @@ int sqlite3FindInIndex(Parse *pParse, Expr *pX, int *prNotFound){ for(pIdx=pTab->pIndex; pIdx && eType==0 && affinity_ok; pIdx=pIdx->pNext){ if( (pIdx->aiColumn[0]==iCol) && sqlite3FindCollSeq(db, ENC(db), pIdx->azColl[0], 0)==pReq - && (!mustBeUnique || (pIdx->nColumn==1 && pIdx->onError!=OE_None)) + && (!mustBeUnique || (pIdx->nKeyCol==1 && pIdx->onError!=OE_None)) ){ int iAddr; char *pKey; diff --git a/src/fkey.c b/src/fkey.c index 5c49ded87..95f1d632c 100644 --- a/src/fkey.c +++ b/src/fkey.c @@ -225,7 +225,7 @@ int sqlite3FkLocateIndex( } for(pIdx=pParent->pIndex; pIdx; pIdx=pIdx->pNext){ - if( pIdx->nColumn==nCol && pIdx->onError!=OE_None ){ + if( pIdx->nKeyCol==nCol && pIdx->onError!=OE_None ){ /* pIdx is a UNIQUE index (or a PRIMARY KEY) and has the right number ** of columns. If each indexed column corresponds to a foreign key ** column of pFKey, then this index is a winner. */ @@ -248,7 +248,7 @@ int sqlite3FkLocateIndex( ** the default collation sequences for each column. */ int i, j; for(i=0; i<nCol; i++){ - int iCol = pIdx->aiColumn[i]; /* Index of column in parent tbl */ + i16 iCol = pIdx->aiColumn[i]; /* Index of column in parent tbl */ char *zDfltColl; /* Def. collation for column */ char *zIdxCol; /* Name of indexed column */ @@ -509,7 +509,7 @@ static void fkScanChildren( Expr *pLeft; /* Value from parent table row */ Expr *pRight; /* Column ref to child table */ Expr *pEq; /* Expression (pLeft = pRight) */ - int iCol; /* Index of column in child table */ + i16 iCol; /* Index of column in child table */ const char *zCol; /* Name of column in child table */ pLeft = sqlite3Expr(db, TK_REGISTER, 0); @@ -966,7 +966,7 @@ u32 sqlite3FkOldmask( Index *pIdx = 0; sqlite3FkLocateIndex(pParse, pTab, p, &pIdx, 0); if( pIdx ){ - for(i=0; i<pIdx->nColumn; i++) mask |= COLUMN_MASK(pIdx->aiColumn[i]); + for(i=0; i<pIdx->nKeyCol; i++) mask |= COLUMN_MASK(pIdx->aiColumn[i]); } } } diff --git a/src/insert.c b/src/insert.c index 2f5a386ca..c662a52e7 100644 --- a/src/insert.c +++ b/src/insert.c @@ -67,12 +67,12 @@ const char *sqlite3IndexAffinityStr(Vdbe *v, Index *pIdx){ int n; Table *pTab = pIdx->pTable; sqlite3 *db = sqlite3VdbeDb(v); - pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nColumn+2); + pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nKeyCol+2); if( !pIdx->zColAff ){ db->mallocFailed = 1; return 0; } - for(n=0; n<pIdx->nColumn; n++){ + for(n=0; n<pIdx->nKeyCol; n++){ pIdx->zColAff[n] = pTab->aCol[pIdx->aiColumn[n]].affinity; } pIdx->zColAff[n++] = SQLITE_AFF_INTEGER; @@ -1393,24 +1393,23 @@ void sqlite3GenerateConstraintChecks( } /* Create a key for accessing the index entry */ - regIdx = sqlite3GetTempRange(pParse, pIdx->nColumn+1); + regIdx = sqlite3GetTempRange(pParse, pIdx->nKeyCol+1); for(i=0; i<pIdx->nColumn; i++){ - int idx = pIdx->aiColumn[i]; - if( idx==pTab->iPKey ){ + i16 idx = pIdx->aiColumn[i]; + if( idx<0 || idx==pTab->iPKey ){ sqlite3VdbeAddOp2(v, OP_SCopy, regRowid, regIdx+i); }else{ sqlite3VdbeAddOp2(v, OP_SCopy, regData+idx, regIdx+i); } } - sqlite3VdbeAddOp2(v, OP_SCopy, regRowid, regIdx+i); - sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn+1, aRegIdx[iCur]); + sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[iCur]); sqlite3VdbeChangeP4(v, -1, sqlite3IndexAffinityStr(v, pIdx), P4_TRANSIENT); - sqlite3ExprCacheAffinityChange(pParse, regIdx, pIdx->nColumn+1); + sqlite3ExprCacheAffinityChange(pParse, regIdx, pIdx->nColumn); /* Find out what action to take in case there is an indexing conflict */ onError = pIdx->onError; if( onError==OE_None ){ - sqlite3ReleaseTempRange(pParse, regIdx, pIdx->nColumn+1); + sqlite3ReleaseTempRange(pParse, regIdx, pIdx->nKeyCol+1); sqlite3VdbeResolveLabel(v, addrSkipRow); continue; /* pIdx is not a UNIQUE index */ } @@ -1430,7 +1429,7 @@ void sqlite3GenerateConstraintChecks( j3 = sqlite3VdbeAddOp4(v, OP_IsUnique, baseCur+iCur+1, 0, regR, SQLITE_INT_TO_PTR(regIdx), P4_INT32); - sqlite3ReleaseTempRange(pParse, regIdx, pIdx->nColumn+1); + sqlite3ReleaseTempRange(pParse, regIdx, pIdx->nKeyCol+1); /* Generate code that executes if the new index entry is not unique */ assert( onError==OE_Rollback || onError==OE_Abort || onError==OE_Fail @@ -1446,15 +1445,15 @@ void sqlite3GenerateConstraintChecks( sqlite3StrAccumInit(&errMsg, 0, 0, 200); errMsg.db = db; - zSep = pIdx->nColumn>1 ? "columns " : "column "; - for(j=0; j<pIdx->nColumn; j++){ + zSep = pIdx->nKeyCol>1 ? "columns " : "column "; + for(j=0; j<pIdx->nKeyCol; j++){ char *zCol = pTab->aCol[pIdx->aiColumn[j]].zName; sqlite3StrAccumAppend(&errMsg, zSep, -1); zSep = ", "; sqlite3StrAccumAppend(&errMsg, zCol, -1); } sqlite3StrAccumAppend(&errMsg, - pIdx->nColumn>1 ? " are not unique" : " is not unique", -1); + pIdx->nKeyCol>1 ? " are not unique" : " is not unique", -1); zErr = sqlite3StrAccumFinish(&errMsg); sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_UNIQUE, onError, zErr, 0); @@ -1631,13 +1630,13 @@ static int xferCompatibleIndex(Index *pDest, Index *pSrc){ int i; assert( pDest && pSrc ); assert( pDest->pTable!=pSrc->pTable ); - if( pDest->nColumn!=pSrc->nColumn ){ + if( pDest->nKeyCol!=pSrc->nKeyCol ){ return 0; /* Different number of columns */ } if( pDest->onError!=pSrc->onError ){ return 0; /* Different conflict resolution strategies */ } - for(i=0; i<pSrc->nColumn; i++){ + for(i=0; i<pSrc->nKeyCol; i++){ if( pSrc->aiColumn[i]!=pDest->aiColumn[i] ){ return 0; /* Different columns indexed */ } diff --git a/src/pragma.c b/src/pragma.c index a1f32c36d..b6f9ae191 100644 --- a/src/pragma.c +++ b/src/pragma.c @@ -1475,8 +1475,8 @@ void sqlite3Pragma( sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC); sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC); sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC); - for(i=0; i<pIdx->nColumn; i++){ - int cnum = pIdx->aiColumn[i]; + for(i=0; i<pIdx->nKeyCol; i++){ + i16 cnum = pIdx->aiColumn[i]; sqlite3VdbeAddOp2(v, OP_Integer, i, 1); sqlite3VdbeAddOp2(v, OP_Integer, cnum, 2); assert( pTab->nCol>cnum ); @@ -1872,7 +1872,7 @@ void sqlite3Pragma( }; r1 = sqlite3GenerateIndexKey(pParse, pIdx, 1, 3, 0, &jmp3); sqlite3VdbeAddOp2(v, OP_AddImm, 7+j, 1); /* increment entry count */ - jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, j+2, 0, r1, pIdx->nColumn+1); + jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, j+2, 0, r1, pIdx->nKeyCol+1); addr = sqlite3VdbeAddOpList(v, ArraySize(idxErr), idxErr); sqlite3VdbeChangeP4(v, addr+1, "rowid ", P4_STATIC); sqlite3VdbeChangeP4(v, addr+3, " missing from index ", P4_STATIC); diff --git a/src/sqliteInt.h b/src/sqliteInt.h index 11053b9af..4565e92a8 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -1577,7 +1577,7 @@ struct UnpackedRecord { */ struct Index { char *zName; /* Name of this index */ - int *aiColumn; /* Which columns are used by this index. 1st is 0 */ + i16 *aiColumn; /* Which columns are used by this index. 1st is 0 */ tRowcnt *aiRowEst; /* From ANALYZE: Est. rows selected by each column */ Table *pTable; /* The SQL table being indexed */ char *zColAff; /* String defining the affinity of each column */ @@ -1588,7 +1588,8 @@ struct Index { Expr *pPartIdxWhere; /* WHERE clause for partial indices */ int tnum; /* DB Page containing root of this index */ LogEst szIdxRow; /* Estimated average row size in bytes */ - u16 nColumn; /* Number of columns in table used by this index */ + u16 nKeyCol; /* Number of columns forming the key */ + u16 nColumn; /* Number of columns stored in the index */ u8 onError; /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */ unsigned autoIndex:2; /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */ unsigned bUnordered:1; /* Use this index for == or IN queries only */ @@ -2826,7 +2827,7 @@ void sqlite3SrcListShiftJoinType(SrcList*); void sqlite3SrcListAssignCursors(Parse*, SrcList*); void sqlite3IdListDelete(sqlite3*, IdList*); void sqlite3SrcListDelete(sqlite3*, SrcList*); -Index *sqlite3AllocateIndexObject(sqlite3*,int,int,char**); +Index *sqlite3AllocateIndexObject(sqlite3*,i16,int,char**); Index *sqlite3CreateIndex(Parse*,Token*,Token*,SrcList*,ExprList*,int,Token*, Expr*, int, int); void sqlite3DropIndex(Parse*, SrcList*, int); diff --git a/src/update.c b/src/update.c index 0f760a460..9a4f374fa 100644 --- a/src/update.c +++ b/src/update.c @@ -250,7 +250,7 @@ void sqlite3Update( reg = ++pParse->nMem; }else{ reg = 0; - for(i=0; i<pIdx->nColumn; i++){ + for(i=0; i<pIdx->nKeyCol; i++){ if( aXRef[pIdx->aiColumn[i]]>=0 ){ reg = ++pParse->nMem; break; diff --git a/src/vdbeblob.c b/src/vdbeblob.c index 2e8fd8ee7..4953579c6 100644 --- a/src/vdbeblob.c +++ b/src/vdbeblob.c @@ -235,7 +235,7 @@ int sqlite3_blob_open( #endif for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ int j; - for(j=0; j<pIdx->nColumn; j++){ + for(j=0; j<pIdx->nKeyCol; j++){ if( pIdx->aiColumn[j]==iCol ){ zFault = "indexed"; } diff --git a/src/vdbemem.c b/src/vdbemem.c index b549c4a31..cdaacac83 100644 --- a/src/vdbemem.c +++ b/src/vdbemem.c @@ -1031,7 +1031,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ Index *pIdx = p->pIdx; /* Index being probed */ int nByte; /* Bytes of space to allocate */ int i; /* Counter variable */ - int nCol = pIdx->nColumn+1; /* Number of index columns including rowid */ + int nCol = pIdx->nKeyCol+1; /* Number of index columns including rowid */ nByte = sizeof(Mem) * nCol + sizeof(UnpackedRecord); pRec = (UnpackedRecord*)sqlite3DbMallocZero(db, nByte); diff --git a/src/where.c b/src/where.c index d9f4a9c42..b9036c924 100644 --- a/src/where.c +++ b/src/where.c @@ -968,7 +968,7 @@ static WhereTerm *whereScanInit( if( pIdx && iColumn>=0 ){ pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity; for(j=0; pIdx->aiColumn[j]!=iColumn; j++){ - if( NEVER(j>=pIdx->nColumn) ) return 0; + if( NEVER(j>=pIdx->nKeyCol) ) return 0; } pScan->zCollName = pIdx->azColl[j]; }else{ @@ -1898,16 +1898,16 @@ static int isDistinctRedundant( */ for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ if( pIdx->onError==OE_None ) continue; - for(i=0; i<pIdx->nColumn; i++){ - int iCol = pIdx->aiColumn[i]; + for(i=0; i<pIdx->nKeyCol; i++){ + i16 iCol = pIdx->aiColumn[i]; if( 0==findTerm(pWC, iBase, iCol, ~(Bitmask)0, WO_EQ, pIdx) ){ int iIdxCol = findIndexCol(pParse, pDistinct, iBase, pIdx, i); - if( iIdxCol<0 || pTab->aCol[pIdx->aiColumn[i]].notNull==0 ){ + if( iIdxCol<0 || pTab->aCol[iCol].notNull==0 ){ break; } } } - if( i==pIdx->nColumn ){ + if( i==pIdx->nKeyCol ){ /* This index implies that the DISTINCT qualifier is redundant. */ return 1; } @@ -2005,7 +2005,7 @@ static void constructAutomaticIndex( Bitmask notReady, /* Mask of cursors that are not available */ WhereLevel *pLevel /* Write new index here */ ){ - int nColumn; /* Number of columns in the constructed index */ + int nKeyCol; /* Number of columns in the constructed index */ WhereTerm *pTerm; /* A single term of the WHERE clause */ WhereTerm *pWCEnd; /* End of pWC->a[] */ Index *pIdx; /* Object describing the transient index */ @@ -2033,7 +2033,7 @@ static void constructAutomaticIndex( /* Count the number of columns that will be added to the index ** and used to match WHERE clause constraints */ - nColumn = 0; + nKeyCol = 0; pTable = pSrc->pTab; pWCEnd = &pWC->a[pWC->nTerm]; pLoop = pLevel->pWLoop; @@ -2051,14 +2051,14 @@ static void constructAutomaticIndex( sentWarning = 1; } if( (idxCols & cMask)==0 ){ - if( whereLoopResize(pParse->db, pLoop, nColumn+1) ) return; - pLoop->aLTerm[nColumn++] = pTerm; + if( whereLoopResize(pParse->db, pLoop, nKeyCol+1) ) return; + pLoop->aLTerm[nKeyCol++] = pTerm; idxCols |= cMask; } } } - assert( nColumn>0 ); - pLoop->u.btree.nEq = pLoop->nLTerm = nColumn; + assert( nKeyCol>0 ); + pLoop->u.btree.nEq = pLoop->nLTerm = nKeyCol; pLoop->wsFlags = WHERE_COLUMN_EQ | WHERE_IDX_ONLY | WHERE_INDEXED | WHERE_AUTO_INDEX; @@ -2075,15 +2075,15 @@ static void constructAutomaticIndex( testcase( pTable->nCol==BMS-1 ); testcase( pTable->nCol==BMS-2 ); for(i=0; i<mxBitCol; i++){ - if( extraCols & MASKBIT(i) ) nColumn++; + if( extraCols & MASKBIT(i) ) nKeyCol++; } if( pSrc->colUsed & MASKBIT(BMS-1) ){ - nColumn += pTable->nCol - BMS + 1; + nKeyCol += pTable->nCol - BMS + 1; } pLoop->wsFlags |= WHERE_COLUMN_EQ | WHERE_IDX_ONLY; /* Construct the Index object to describe this index */ - pIdx = sqlite3AllocateIndexObject(pParse->db, nColumn, 0, &zNotUsed); + pIdx = sqlite3AllocateIndexObject(pParse->db, nKeyCol+1, 0, &zNotUsed); if( pIdx==0 ) return; pLoop->u.btree.pIndex = pIdx; pIdx->zName = "auto-index"; @@ -2124,13 +2124,13 @@ static void constructAutomaticIndex( n++; } } - assert( n==nColumn ); + assert( n==nKeyCol ); /* Create the automatic index */ pKeyinfo = sqlite3IndexKeyinfo(pParse, pIdx); assert( pLevel->iIdxCur>=0 ); pLevel->iIdxCur = pParse->nTab++; - sqlite3VdbeAddOp4(v, OP_OpenAutoindex, pLevel->iIdxCur, nColumn+1, 0, + sqlite3VdbeAddOp4(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1, 0, (char*)pKeyinfo, P4_KEYINFO_HANDOFF); VdbeComment((v, "for %s", pTable->zName)); @@ -2384,7 +2384,7 @@ static void whereKeyStats( iUpper = i>=pIdx->nSample ? pIdx->aiRowEst[0] : aSample[i].anLt[iCol]; iLower = aSample[i-1].anEq[iCol] + aSample[i-1].anLt[iCol]; } - aStat[1] = (pIdx->nColumn>iCol ? pIdx->aAvgEq[iCol] : 1); + aStat[1] = (pIdx->nKeyCol>iCol ? pIdx->aAvgEq[iCol] : 1); if( iLower>=iUpper ){ iGap = 0; }else{ @@ -2484,7 +2484,7 @@ static int whereRangeScanEst( tRowcnt iLower; tRowcnt iUpper; - if( nEq==p->nColumn ){ + if( nEq==p->nKeyCol ){ aff = SQLITE_AFF_INTEGER; }else{ aff = p->pTable->aCol[p->aiColumn[nEq]].affinity; @@ -2602,7 +2602,7 @@ static int whereEqualScanEst( int bOk; assert( nEq>=1 ); - assert( nEq<=(p->nColumn+1) ); + assert( nEq<=(p->nKeyCol+1) ); assert( p->aSample!=0 ); assert( p->nSample>0 ); assert( pBuilder->nRecValid<nEq ); @@ -2615,7 +2615,7 @@ static int whereEqualScanEst( /* This is an optimization only. The call to sqlite3Stat4ProbeSetValue() ** below would return the same value. */ - if( nEq>p->nColumn ){ + if( nEq>p->nKeyCol ){ *pnRow = 1; return SQLITE_OK; } @@ -3002,7 +3002,7 @@ static char *explainIndexRange(sqlite3 *db, WhereLoop *pLoop, Table *pTab){ int nEq = pLoop->u.btree.nEq; int i, j; Column *aCol = pTab->aCol; - int *aiColumn = pIndex->aiColumn; + i16 *aiColumn = pIndex->aiColumn; StrAccum txt; if( nEq==0 && (pLoop->wsFlags & (WHERE_BTM_LIMIT|WHERE_TOP_LIMIT))==0 ){ @@ -3012,17 +3012,17 @@ static char *explainIndexRange(sqlite3 *db, WhereLoop *pLoop, Table *pTab){ txt.db = db; sqlite3StrAccumAppend(&txt, " (", 2); for(i=0; i<nEq; i++){ - char *z = (i==pIndex->nColumn ) ? "rowid" : aCol[aiColumn[i]].zName; + char *z = (i==pIndex->nKeyCol ) ? "rowid" : aCol[aiColumn[i]].zName; explainAppendTerm(&txt, i, z, "="); } j = i; if( pLoop->wsFlags&WHERE_BTM_LIMIT ){ - char *z = (j==pIndex->nColumn ) ? "rowid" : aCol[aiColumn[j]].zName; + char *z = (j==pIndex->nKeyCol ) ? "rowid" : aCol[aiColumn[j]].zName; explainAppendTerm(&txt, i++, z, ">"); } if( pLoop->wsFlags&WHERE_TOP_LIMIT ){ - char *z = (j==pIndex->nColumn ) ? "rowid" : aCol[aiColumn[j]].zName; + char *z = (j==pIndex->nKeyCol ) ? "rowid" : aCol[aiColumn[j]].zName; explainAppendTerm(&txt, i, z, "<"); } sqlite3StrAccumAppend(&txt, ")", 1); @@ -3406,7 +3406,7 @@ static Bitmask codeOneLoopStart( */ if( (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)!=0 && (pWInfo->bOBSat!=0) - && (pIdx->nColumn>nEq) + && (pIdx->nKeyCol>nEq) ){ /* assert( pOrderBy->nExpr==1 ); */ /* assert( pOrderBy->a[0].pExpr->iColumn==pIdx->aiColumn[nEq] ); */ @@ -3439,8 +3439,8 @@ static Bitmask codeOneLoopStart( ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ - if( (nEq<pIdx->nColumn && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC)) - || (bRev && pIdx->nColumn==nEq) + if( (nEq<pIdx->nKeyCol && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC)) + || (bRev && pIdx->nKeyCol==nEq) ){ SWAP(WhereTerm *, pRangeEnd, pRangeStart); } @@ -4243,8 +4243,8 @@ static int whereLoopAddBtreeIndex( } if( pProbe->bUnordered ) opMask &= ~(WO_GT|WO_GE|WO_LT|WO_LE); - assert( pNew->u.btree.nEq<=pProbe->nColumn ); - if( pNew->u.btree.nEq < pProbe->nColumn ){ + assert( pNew->u.btree.nEq<=pProbe->nKeyCol ); + if( pNew->u.btree.nEq < pProbe->nKeyCol ){ iCol = pProbe->aiColumn[pNew->u.btree.nEq]; nRowEst = sqlite3LogEst(pProbe->aiRowEst[pNew->u.btree.nEq+1]); if( nRowEst==0 && pProbe->onError==OE_None ) nRowEst = 1; @@ -4301,7 +4301,7 @@ static int whereLoopAddBtreeIndex( pNew->wsFlags |= WHERE_COLUMN_EQ; if( iCol<0 || (pProbe->onError!=OE_None && nInMul==0 - && pNew->u.btree.nEq==pProbe->nColumn-1) + && pNew->u.btree.nEq==pProbe->nKeyCol-1) ){ assert( (pNew->wsFlags & WHERE_COLUMN_IN)==0 || iCol<0 ); pNew->wsFlags |= WHERE_ONEROW; @@ -4367,7 +4367,7 @@ static int whereLoopAddBtreeIndex( whereLoopOutputAdjust(pBuilder->pWC, pNew); rc = whereLoopInsert(pBuilder, pNew); if( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 - && pNew->u.btree.nEq<(pProbe->nColumn + (pProbe->zName!=0)) + && pNew->u.btree.nEq<(pProbe->nKeyCol + (pProbe->zName!=0)) ){ whereLoopAddBtreeIndex(pBuilder, pSrc, pProbe, nInMul+nIn); } @@ -4406,7 +4406,7 @@ static int indexMightHelpWithOrderBy( Expr *pExpr = sqlite3ExprSkipCollate(pOB->a[ii].pExpr); if( pExpr->op!=TK_COLUMN ) return 0; if( pExpr->iTable==iCursor ){ - for(jj=0; jj<pIndex->nColumn; jj++){ + for(jj=0; jj<pIndex->nKeyCol; jj++){ if( pExpr->iColumn==pIndex->aiColumn[jj] ) return 1; } } @@ -4421,7 +4421,7 @@ static int indexMightHelpWithOrderBy( static Bitmask columnsInIndex(Index *pIdx){ Bitmask m = 0; int j; - for(j=pIdx->nColumn-1; j>=0; j--){ + for(j=pIdx->nKeyCol-1; j>=0; j--){ int x = pIdx->aiColumn[j]; assert( x>=0 ); testcase( x==BMS-1 ); @@ -4456,7 +4456,7 @@ static int whereLoopAddBtree( Index *pProbe; /* An index we are evaluating */ Index sPk; /* A fake index object for the primary key */ tRowcnt aiRowEstPk[2]; /* The aiRowEst[] value for the sPk index */ - int aiColumnPk = -1; /* The aColumn[] value for the sPk index */ + i16 aiColumnPk = -1; /* The aColumn[] value for the sPk index */ SrcList *pTabList; /* The FROM clause */ struct SrcList_item *pSrc; /* The FROM clause btree term to add */ WhereLoop *pNew; /* Template WhereLoop object */ @@ -4486,7 +4486,7 @@ static int whereLoopAddBtree( ** indices to follow */ Index *pFirst; /* First of real indices on the table */ memset(&sPk, 0, sizeof(Index)); - sPk.nColumn = 1; + sPk.nKeyCol = 1; sPk.aiColumn = &aiColumnPk; sPk.aiRowEst = aiRowEstPk; sPk.onError = OE_Replace; @@ -4961,7 +4961,7 @@ static int wherePathSatisfiesOrderBy( u8 isOrderDistinct; /* All prior WhereLoops are order-distinct */ u8 distinctColumns; /* True if the loop has UNIQUE NOT NULL columns */ u8 isMatch; /* iColumn matches a term of the ORDER BY clause */ - u16 nColumn; /* Number of columns in pIndex */ + u16 nKeyCol; /* Number of columns in pIndex */ u16 nOrderBy; /* Number terms in the ORDER BY clause */ int iLoop; /* Index of WhereLoop in pPath being processed */ int i, j; /* Loop counters */ @@ -5053,11 +5053,11 @@ static int wherePathSatisfiesOrderBy( if( (pLoop->wsFlags & WHERE_ONEROW)==0 ){ if( pLoop->wsFlags & WHERE_IPK ){ pIndex = 0; - nColumn = 0; + nKeyCol = 0; }else if( (pIndex = pLoop->u.btree.pIndex)==0 || pIndex->bUnordered ){ return 0; }else{ - nColumn = pIndex->nColumn; + nKeyCol = pIndex->nKeyCol; isOrderDistinct = pIndex->onError!=OE_None; } @@ -5066,7 +5066,7 @@ static int wherePathSatisfiesOrderBy( */ rev = revSet = 0; distinctColumns = 0; - for(j=0; j<=nColumn; j++){ + for(j=0; j<=nKeyCol; j++){ u8 bOnce; /* True to run the ORDER BY search loop */ /* Skip over == and IS NULL terms */ @@ -5083,14 +5083,14 @@ static int wherePathSatisfiesOrderBy( /* Get the column number in the table (iColumn) and sort order ** (revIdx) for the j-th column of the index. */ - if( j<nColumn ){ + if( j<nKeyCol ){ /* Normal index columns */ iColumn = pIndex->aiColumn[j]; revIdx = pIndex->aSortOrder[j]; if( iColumn==pIndex->pTable->iPKey ) iColumn = -1; }else{ /* The ROWID column at the end */ - assert( j==nColumn ); + assert( j==nKeyCol ); iColumn = -1; revIdx = 0; } @@ -5147,7 +5147,7 @@ static int wherePathSatisfiesOrderBy( } }else{ /* No match found */ - if( j==0 || j<nColumn ){ + if( j==0 || j<nKeyCol ){ testcase( isOrderDistinct!=0 ); isOrderDistinct = 0; } @@ -5513,14 +5513,14 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ assert( ArraySize(pLoop->aLTermSpace)==4 ); if( pIdx->onError==OE_None || pIdx->pPartIdxWhere!=0 - || pIdx->nColumn>ArraySize(pLoop->aLTermSpace) + || pIdx->nKeyCol>ArraySize(pLoop->aLTermSpace) ) continue; - for(j=0; j<pIdx->nColumn; j++){ + for(j=0; j<pIdx->nKeyCol; j++){ pTerm = findTerm(pWC, iCur, pIdx->aiColumn[j], 0, WO_EQ, pIdx); if( pTerm==0 ) break; pLoop->aLTerm[j] = pTerm; } - if( j!=pIdx->nColumn ) continue; + if( j!=pIdx->nKeyCol ) continue; pLoop->wsFlags = WHERE_COLUMN_EQ|WHERE_ONEROW|WHERE_INDEXED; if( (pItem->colUsed & ~columnsInIndex(pIdx))==0 ){ pLoop->wsFlags |= WHERE_IDX_ONLY; @@ -6112,14 +6112,14 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){ for(; k<last; k++, pOp++){ if( pOp->p1!=pLevel->iTabCur ) continue; if( pOp->opcode==OP_Column ){ - for(j=0; j<pIdx->nColumn; j++){ + for(j=0; j<pIdx->nKeyCol; j++){ if( pOp->p2==pIdx->aiColumn[j] ){ pOp->p2 = j; pOp->p1 = pLevel->iIdxCur; break; } } - assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || j<pIdx->nColumn ); + assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || j<pIdx->nKeyCol ); }else if( pOp->opcode==OP_Rowid ){ pOp->p1 = pLevel->iIdxCur; pOp->opcode = OP_IdxRowid; |