diff options
Diffstat (limited to 'src/expr.c')
| -rw-r--r-- | src/expr.c | 308 |
1 files changed, 154 insertions, 154 deletions
diff --git a/src/expr.c b/src/expr.c index f5d922f56..bca83aa0b 100644 --- a/src/expr.c +++ b/src/expr.c @@ -30,7 +30,7 @@ char sqlite3TableColumnAffinity(const Table *pTab, int iCol){ ** Return the 'affinity' of the expression pExpr if any. ** ** If pExpr is a column, a reference to a column via an 'AS' alias, -** or a sub-select with a column as the return value, then the +** or a sub-select with a column as the return value, then the ** affinity of that column is returned. Otherwise, 0x00 is returned, ** indicating no affinity for the expression. ** @@ -202,7 +202,7 @@ Expr *sqlite3ExprSkipCollate(Expr *pExpr){ while( pExpr && ExprHasProperty(pExpr, EP_Skip) ){ assert( pExpr->op==TK_COLLATE ); pExpr = pExpr->pLeft; - } + } return pExpr; } @@ -222,7 +222,7 @@ Expr *sqlite3ExprSkipCollateAndLikely(Expr *pExpr){ assert( pExpr->op==TK_COLLATE ); pExpr = pExpr->pLeft; } - } + } return pExpr; } @@ -247,7 +247,7 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ while( p ){ int op = p->op; if( op==TK_REGISTER ) op = p->op2; - if( (op==TK_AGG_COLUMN && p->y.pTab!=0) + if( (op==TK_AGG_COLUMN && p->y.pTab!=0) || op==TK_COLUMN || op==TK_TRIGGER ){ int j; @@ -295,7 +295,7 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ break; } } - if( sqlite3CheckCollSeq(pParse, pColl) ){ + if( sqlite3CheckCollSeq(pParse, pColl) ){ pColl = 0; } return pColl; @@ -304,7 +304,7 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ /* ** Return the collation sequence for the expression pExpr. If ** there is no defined collating sequence, return a pointer to the -** defautl collation sequence. +** default collation sequence. ** ** See also: sqlite3ExprCollSeq() ** @@ -415,8 +415,8 @@ static u8 binaryCompareP5( ** it is not considered. */ CollSeq *sqlite3BinaryCompareCollSeq( - Parse *pParse, - const Expr *pLeft, + Parse *pParse, + const Expr *pLeft, const Expr *pRight ){ CollSeq *pColl; @@ -434,7 +434,7 @@ CollSeq *sqlite3BinaryCompareCollSeq( return pColl; } -/* Expresssion p is a comparison operator. Return a collation sequence +/* Expression p is a comparison operator. Return a collation sequence ** appropriate for the comparison operator. ** ** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). @@ -494,7 +494,7 @@ int sqlite3ExprIsVector(const Expr *pExpr){ } /* -** If the expression passed as the only argument is of type TK_VECTOR +** If the expression passed as the only argument is of type TK_VECTOR ** return the number of expressions in the vector. Or, if the expression ** is a sub-select, return the number of columns in the sub-select. For ** any other type of expression, return 1. @@ -548,7 +548,7 @@ Expr *sqlite3VectorFieldSubexpr(Expr *pVector, int i){ ** sqlite3ExprCode() will generate all necessary code to compute ** the iField-th column of the vector expression pVector. ** -** It is ok for pVector to be a scalar (as long as iField==0). +** It is ok for pVector to be a scalar (as long as iField==0). ** In that case, this routine works like sqlite3ExprDup(). ** ** The caller owns the returned Expr object and is responsible for @@ -614,7 +614,7 @@ Expr *sqlite3ExprForVectorField( /* ** If expression pExpr is of type TK_SELECT, generate code to evaluate -** it. Return the register in which the result is stored (or, if the +** it. Return the register in which the result is stored (or, if the ** sub-select returns more than one column, the first in an array ** of registers in which the result is stored). ** @@ -636,10 +636,10 @@ static int exprCodeSubselect(Parse *pParse, Expr *pExpr){ ** the register number of a register that contains the value of ** element iField of the vector. ** -** If pVector is a TK_SELECT expression, then code for it must have +** If pVector is a TK_SELECT expression, then code for it must have ** already been generated using the exprCodeSubselect() routine. In this ** case parameter regSelect should be the first in an array of registers -** containing the results of the sub-select. +** containing the results of the sub-select. ** ** If pVector is of type TK_VECTOR, then code for the requested field ** is generated. In this case (*pRegFree) may be set to the number of @@ -711,10 +711,10 @@ static void codeVectorCompare( sqlite3ErrorMsg(pParse, "row value misused"); return; } - assert( pExpr->op==TK_EQ || pExpr->op==TK_NE - || pExpr->op==TK_IS || pExpr->op==TK_ISNOT - || pExpr->op==TK_LT || pExpr->op==TK_GT - || pExpr->op==TK_LE || pExpr->op==TK_GE + assert( pExpr->op==TK_EQ || pExpr->op==TK_NE + || pExpr->op==TK_IS || pExpr->op==TK_ISNOT + || pExpr->op==TK_LT || pExpr->op==TK_GT + || pExpr->op==TK_LE || pExpr->op==TK_GE ); assert( pExpr->op==op || (pExpr->op==TK_IS && op==TK_EQ) || (pExpr->op==TK_ISNOT && op==TK_NE) ); @@ -731,7 +731,7 @@ static void codeVectorCompare( sqlite3VdbeAddOp2(v, OP_Integer, 1, dest); for(i=0; 1 /*Loop exits by "break"*/; i++){ int regFree1 = 0, regFree2 = 0; - Expr *pL = 0, *pR = 0; + Expr *pL = 0, *pR = 0; int r1, r2; assert( i>=0 && i<nLeft ); if( addrCmp ) sqlite3VdbeJumpHere(v, addrCmp); @@ -785,7 +785,7 @@ int sqlite3ExprCheckHeight(Parse *pParse, int nHeight){ int rc = SQLITE_OK; int mxHeight = pParse->db->aLimit[SQLITE_LIMIT_EXPR_DEPTH]; if( nHeight>mxHeight ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "Expression tree is too large (maximum depth %d)", mxHeight ); rc = SQLITE_ERROR; @@ -830,10 +830,10 @@ static void heightOfSelect(const Select *pSelect, int *pnHeight){ } /* -** Set the Expr.nHeight variable in the structure passed as an -** argument. An expression with no children, Expr.pList or +** Set the Expr.nHeight variable in the structure passed as an +** argument. An expression with no children, Expr.pList or ** Expr.pSelect member has a height of 1. Any other expression -** has a height equal to the maximum height of any other +** has a height equal to the maximum height of any other ** referenced Expr plus one. ** ** Also propagate EP_Propagate flags up from Expr.x.pList to Expr.flags, @@ -859,7 +859,7 @@ static void exprSetHeight(Expr *p){ ** leave an error in pParse. ** ** Also propagate all EP_Propagate flags from the Expr.x.pList into -** Expr.flags. +** Expr.flags. */ void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ if( pParse->nErr ) return; @@ -879,7 +879,7 @@ int sqlite3SelectExprHeight(const Select *p){ #else /* ABOVE: Height enforcement enabled. BELOW: Height enforcement off */ /* ** Propagate all EP_Propagate flags from the Expr.x.pList into -** Expr.flags. +** Expr.flags. */ void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ if( pParse->nErr ) return; @@ -949,7 +949,7 @@ Expr *sqlite3ExprAlloc( } #if SQLITE_MAX_EXPR_DEPTH>0 pNew->nHeight = 1; -#endif +#endif } return pNew; } @@ -1055,7 +1055,7 @@ void sqlite3PExprAddSelect(Parse *pParse, Expr *pExpr, Select *pSelect){ /* ** Expression list pEList is a list of vector values. This function ** converts the contents of pEList to a VALUES(...) Select statement -** returning 1 row for each element of the list. For example, the +** returning 1 row for each element of the list. For example, the ** expression list: ** ** ( (1,2), (3,4) (5,6) ) @@ -1086,7 +1086,7 @@ Select *sqlite3ExprListToValues(Parse *pParse, int nElem, ExprList *pEList){ nExprElem = 1; } if( nExprElem!=nElem ){ - sqlite3ErrorMsg(pParse, "IN(...) element has %d term%s - expected %d", + sqlite3ErrorMsg(pParse, "IN(...) element has %d term%s - expected %d", nExprElem, nExprElem>1?"s":"", nElem ); break; @@ -1126,7 +1126,7 @@ Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ return pLeft; }else{ u32 f = pLeft->flags | pRight->flags; - if( (f&(EP_OuterON|EP_InnerON|EP_IsFalse))==EP_IsFalse + if( (f&(EP_OuterON|EP_InnerON|EP_IsFalse))==EP_IsFalse && !IN_RENAME_OBJECT ){ sqlite3ExprDeferredDelete(pParse, pLeft); @@ -1158,7 +1158,7 @@ Expr *sqlite3ExprFunction( } assert( !ExprHasProperty(pNew, EP_InnerON|EP_OuterON) ); pNew->w.iOfst = (int)(pToken->z - pParse->zTail); - if( pList + if( pList && pList->nExpr > pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] && !pParse->nested ){ @@ -1197,7 +1197,7 @@ void sqlite3ExprFunctionUsable( /* Functions prohibited in triggers and views if: ** (1) tagged with SQLITE_DIRECTONLY ** (2) not tagged with SQLITE_INNOCUOUS (which means it - ** is tagged with SQLITE_FUNC_UNSAFE) and + ** is tagged with SQLITE_FUNC_UNSAFE) and ** SQLITE_DBCONFIG_TRUSTED_SCHEMA is off (meaning ** that the schema is possibly tainted). */ @@ -1208,7 +1208,7 @@ void sqlite3ExprFunctionUsable( /* ** Assign a variable number to an expression that encodes a wildcard -** in the original SQL statement. +** in the original SQL statement. ** ** Wildcards consisting of a single "?" are assigned the next sequential ** variable number. @@ -1350,7 +1350,7 @@ void sqlite3ClearOnOrUsing(sqlite3 *db, OnOrUsing *p){ /* ** Arrange to cause pExpr to be deleted when the pParse is deleted. ** This is similar to sqlite3ExprDelete() except that the delete is -** deferred untilthe pParse is deleted. +** deferred until the pParse is deleted. ** ** The pExpr might be deleted immediately on an OOM error. ** @@ -1376,7 +1376,7 @@ void sqlite3ExprUnmapAndDelete(Parse *pParse, Expr *p){ } /* -** Return the number of bytes allocated for the expression structure +** Return the number of bytes allocated for the expression structure ** passed as the first argument. This is always one of EXPR_FULLSIZE, ** EXPR_REDUCEDSIZE or EXPR_TOKENONLYSIZE. */ @@ -1391,14 +1391,14 @@ static int exprStructSize(const Expr *p){ ** to store a copy of an expression or expression tree. They differ in ** how much of the tree is measured. ** -** dupedExprStructSize() Size of only the Expr structure +** dupedExprStructSize() Size of only the Expr structure ** dupedExprNodeSize() Size of Expr + space for token ** dupedExprSize() Expr + token + subtree components ** *************************************************************************** ** -** The dupedExprStructSize() function returns two values OR-ed together: -** (1) the space required for a copy of the Expr structure only and +** The dupedExprStructSize() function returns two values OR-ed together: +** (1) the space required for a copy of the Expr structure only and ** (2) the EP_xxx flags that indicate what the structure size should be. ** The return values is always one of: ** @@ -1425,7 +1425,7 @@ static int dupedExprStructSize(const Expr *p, int flags){ assert( flags==EXPRDUP_REDUCE || flags==0 ); /* Only one flag value allowed */ assert( EXPR_FULLSIZE<=0xfff ); assert( (0xfff & (EP_Reduced|EP_TokenOnly))==0 ); - if( 0==flags || p->op==TK_SELECT_COLUMN + if( 0==flags || p->op==TK_SELECT_COLUMN #ifndef SQLITE_OMIT_WINDOWFUNC || ExprHasProperty(p, EP_WinFunc) #endif @@ -1433,7 +1433,7 @@ static int dupedExprStructSize(const Expr *p, int flags){ nSize = EXPR_FULLSIZE; }else{ assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); - assert( !ExprHasProperty(p, EP_OuterON) ); + assert( !ExprHasProperty(p, EP_OuterON) ); assert( !ExprHasVVAProperty(p, EP_NoReduce) ); if( p->pLeft || p->x.pList ){ nSize = EXPR_REDUCEDSIZE | EP_Reduced; @@ -1446,7 +1446,7 @@ static int dupedExprStructSize(const Expr *p, int flags){ } /* -** This function returns the space in bytes required to store the copy +** This function returns the space in bytes required to store the copy ** of the Expr structure and a copy of the Expr.u.zToken string (if that ** string is defined.) */ @@ -1459,16 +1459,16 @@ static int dupedExprNodeSize(const Expr *p, int flags){ } /* -** Return the number of bytes required to create a duplicate of the +** Return the number of bytes required to create a duplicate of the ** expression passed as the first argument. The second argument is a ** mask containing EXPRDUP_XXX flags. ** ** The value returned includes space to create a copy of the Expr struct ** itself and the buffer referred to by Expr.u.zToken, if any. ** -** If the EXPRDUP_REDUCE flag is set, then the return value includes -** space to duplicate all Expr nodes in the tree formed by Expr.pLeft -** and Expr.pRight variables (but not for any structures pointed to or +** If the EXPRDUP_REDUCE flag is set, then the return value includes +** space to duplicate all Expr nodes in the tree formed by Expr.pLeft +** and Expr.pRight variables (but not for any structures pointed to or ** descended from the Expr.x.pList or Expr.x.pSelect variables). */ static int dupedExprSize(const Expr *p, int flags){ @@ -1483,8 +1483,8 @@ static int dupedExprSize(const Expr *p, int flags){ } /* -** This function is similar to sqlite3ExprDup(), except that if pzBuffer -** is not NULL then *pzBuffer is assumed to point to a buffer large enough +** This function is similar to sqlite3ExprDup(), except that if pzBuffer +** is not NULL then *pzBuffer is assumed to point to a buffer large enough ** to store the copy of expression p, the copies of p->u.zToken ** (if applicable), and the copies of the p->pLeft and p->pRight expressions, ** if any. Before returning, *pzBuffer is set to the first byte past the @@ -1531,7 +1531,7 @@ static Expr *exprDup(sqlite3 *db, const Expr *p, int dupFlags, u8 **pzBuffer){ }else{ u32 nSize = (u32)exprStructSize(p); memcpy(zAlloc, p, nSize); - if( nSize<EXPR_FULLSIZE ){ + if( nSize<EXPR_FULLSIZE ){ memset(&zAlloc[nSize], 0, EXPR_FULLSIZE-nSize); } } @@ -1595,7 +1595,7 @@ static Expr *exprDup(sqlite3 *db, const Expr *p, int dupFlags, u8 **pzBuffer){ } /* -** Create and return a deep copy of the object passed as the second +** Create and return a deep copy of the object passed as the second ** argument. If an OOM condition is encountered, NULL is returned ** and the db->mallocFailed flag set. */ @@ -1662,7 +1662,7 @@ static void gatherSelectWindows(Select *p){ ** without effecting the originals. ** ** The expression list, ID, and source lists return by sqlite3ExprListDup(), -** sqlite3IdListDup(), and sqlite3SrcListDup() can not be further expanded +** sqlite3IdListDup(), and sqlite3SrcListDup() can not be further expanded ** by subsequent calls to sqlite*ListAppend() routines. ** ** Any tables that the SrcList might point to are not duplicated. @@ -1695,9 +1695,9 @@ ExprList *sqlite3ExprListDup(sqlite3 *db, const ExprList *p, int flags){ Expr *pOldExpr = pOldItem->pExpr; Expr *pNewExpr; pItem->pExpr = sqlite3ExprDup(db, pOldExpr, flags); - if( pOldExpr + if( pOldExpr && pOldExpr->op==TK_SELECT_COLUMN - && (pNewExpr = pItem->pExpr)!=0 + && (pNewExpr = pItem->pExpr)!=0 ){ if( pNewExpr->pRight ){ pPriorSelectColOld = pOldExpr->pRight; @@ -1722,7 +1722,7 @@ ExprList *sqlite3ExprListDup(sqlite3 *db, const ExprList *p, int flags){ /* ** If cursors, triggers, views and subqueries are all omitted from -** the build, then none of the following routines, except for +** the build, then none of the following routines, except for ** sqlite3SelectDup(), can be called. sqlite3SelectDup() is sometimes ** called with a NULL argument. */ @@ -1758,7 +1758,7 @@ SrcList *sqlite3SrcListDup(sqlite3 *db, const SrcList *p, int flags){ pNewItem->u2.pCteUse->nUse++; } if( pNewItem->fg.isTabFunc ){ - pNewItem->u1.pFuncArg = + pNewItem->u1.pFuncArg = sqlite3ExprListDup(db, pOldItem->u1.pFuncArg, flags); } pTab = pNewItem->pTab = pOldItem->pTab; @@ -1893,7 +1893,7 @@ SQLITE_NOINLINE ExprList *sqlite3ExprListAppendGrow( struct ExprList_item *pItem; ExprList *pNew; pList->nAlloc *= 2; - pNew = sqlite3DbRealloc(db, pList, + pNew = sqlite3DbRealloc(db, pList, sizeof(*pList)+(pList->nAlloc-1)*sizeof(pList->a[0])); if( pNew==0 ){ sqlite3ExprListDelete(db, pList); @@ -1951,8 +1951,8 @@ ExprList *sqlite3ExprListAppendVector( if( NEVER(pColumns==0) ) goto vector_append_error; if( pExpr==0 ) goto vector_append_error; - /* If the RHS is a vector, then we can immediately check to see that - ** the size of the RHS and LHS match. But if the RHS is a SELECT, + /* If the RHS is a vector, then we can immediately check to see that + ** the size of the RHS and LHS match. But if the RHS is a SELECT, ** wildcards ("*") in the result set of the SELECT must be expanded before ** we can do the size check, so defer the size check until code generation. */ @@ -1978,7 +1978,7 @@ ExprList *sqlite3ExprListAppendVector( Expr *pFirst = pList->a[iFirst].pExpr; assert( pFirst!=0 ); assert( pFirst->op==TK_SELECT_COLUMN ); - + /* Store the SELECT statement in pRight so it will be deleted when ** sqlite3ExprListDelete() is called */ pFirst->pRight = pExpr; @@ -2004,13 +2004,13 @@ void sqlite3ExprListSetSortOrder(ExprList *p, int iSortOrder, int eNulls){ assert( p->nExpr>0 ); assert( SQLITE_SO_UNDEFINED<0 && SQLITE_SO_ASC==0 && SQLITE_SO_DESC>0 ); - assert( iSortOrder==SQLITE_SO_UNDEFINED - || iSortOrder==SQLITE_SO_ASC - || iSortOrder==SQLITE_SO_DESC + assert( iSortOrder==SQLITE_SO_UNDEFINED + || iSortOrder==SQLITE_SO_ASC + || iSortOrder==SQLITE_SO_DESC ); - assert( eNulls==SQLITE_SO_UNDEFINED - || eNulls==SQLITE_SO_ASC - || eNulls==SQLITE_SO_DESC + assert( eNulls==SQLITE_SO_UNDEFINED + || eNulls==SQLITE_SO_ASC + || eNulls==SQLITE_SO_DESC ); pItem = &p->a[p->nExpr-1]; @@ -2249,7 +2249,7 @@ Expr *sqlite3ExprSimplifiedAndOr(Expr *pExpr){ ** when parsing an existing schema out of the sqlite_schema table and 4 ** when processing a new CREATE TABLE statement. A bound parameter raises ** an error for new statements, but is silently converted -** to NULL for existing schemas. This allows sqlite_schema tables that +** to NULL for existing schemas. This allows sqlite_schema tables that ** contain a bound parameter because they were generated by older versions ** of SQLite to be parsed by newer versions of SQLite without raising a ** malformed schema error. @@ -2481,7 +2481,7 @@ static int exprNodeIsConstantOrGroupBy(Walker *pWalker, Expr *pExpr){ /* ** Walk the expression tree passed as the first argument. Return non-zero -** if the expression consists entirely of constants or copies of terms +** if the expression consists entirely of constants or copies of terms ** in pGroupBy that sort with the BINARY collation sequence. ** ** This routine is used to determine if a term of the HAVING clause can @@ -2511,7 +2511,7 @@ int sqlite3ExprIsConstantOrGroupBy(Parse *pParse, Expr *p, ExprList *pGroupBy){ /* ** Walk an expression tree for the DEFAULT field of a column definition -** in a CREATE TABLE statement. Return non-zero if the expression is +** in a CREATE TABLE statement. Return non-zero if the expression is ** acceptable for use as a DEFAULT. That is to say, return non-zero if ** the expression is constant or a function call with constant arguments. ** Return and 0 if there are any variables. @@ -2595,7 +2595,7 @@ int sqlite3ExprIsInteger(const Expr *p, int *pValue){ ** Return FALSE if there is no chance that the expression can be NULL. ** ** If the expression might be NULL or if the expression is too complex -** to tell return TRUE. +** to tell return TRUE. ** ** This routine is used as an optimization, to skip OP_IsNull opcodes ** when we know that a value cannot be NULL. Hence, a false positive @@ -2686,7 +2686,7 @@ int sqlite3IsRowid(const char *z){ } /* -** pX is the RHS of an IN operator. If pX is a SELECT statement +** pX is the RHS of an IN operator. If pX is a SELECT statement ** that can be simplified to a direct table access, then return ** a pointer to the SELECT statement. If pX is not a SELECT statement, ** or if the SELECT statement needs to be materialized into a transient @@ -2752,7 +2752,7 @@ static void sqlite3SetHasNullFlag(Vdbe *v, int iCur, int regHasNull){ #ifndef SQLITE_OMIT_SUBQUERY /* -** The argument is an IN operator with a list (not a subquery) on the +** The argument is an IN operator with a list (not a subquery) on the ** right-hand side. Return TRUE if that list is constant. */ static int sqlite3InRhsIsConstant(Expr *pIn){ @@ -2798,7 +2798,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** an ephemeral table might need to be generated from the RHS and then ** pX->iTable made to point to the ephemeral table instead of an ** existing table. In this case, the creation and initialization of the -** ephmeral table might be put inside of a subroutine, the EP_Subrtn flag +** ephemeral table might be put inside of a subroutine, the EP_Subrtn flag ** will be set on pX and the pX->y.sub fields will be set to show where ** the subroutine is coded. ** @@ -2814,9 +2814,9 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** to be unique - either because it is an INTEGER PRIMARY KEY or due to ** a UNIQUE constraint or index. ** -** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used -** for fast set membership tests) then an epheremal table must -** be used unless <columns> is a single INTEGER PRIMARY KEY column or an +** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used +** for fast set membership tests) then an epheremal table must +** be used unless <columns> is a single INTEGER PRIMARY KEY column or an ** index can be found with the specified <columns> as its left-most. ** ** If the IN_INDEX_NOOP_OK and IN_INDEX_MEMBERSHIP are both set and @@ -2828,7 +2828,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** ** When the b-tree is being used for membership tests, the calling function ** might need to know whether or not the RHS side of the IN operator -** contains a NULL. If prRhsHasNull is not a NULL pointer and +** contains a NULL. If prRhsHasNull is not a NULL pointer and ** if there is any chance that the (...) might contain a NULL value at ** runtime, then a register is allocated and the register number written ** to *prRhsHasNull. If there is no chance that the (...) contains a @@ -2869,9 +2869,9 @@ int sqlite3FindInIndex( mustBeUnique = (inFlags & IN_INDEX_LOOP)!=0; iTab = pParse->nTab++; - /* If the RHS of this IN(...) operator is a SELECT, and if it matters + /* If the RHS of this IN(...) operator is a SELECT, and if it matters ** whether or not the SELECT result contains NULL values, check whether - ** or not NULL is actually possible (it may not be, for example, due + ** or not NULL is actually possible (it may not be, for example, due ** to NOT NULL constraints in the schema). If no NULL values are possible, ** set prRhsHasNull to 0 before continuing. */ if( prRhsHasNull && ExprUseXSelect(pX) ){ @@ -2886,7 +2886,7 @@ int sqlite3FindInIndex( } /* Check to see if an existing table or index can be used to - ** satisfy the query. This is preferable to generating a new + ** satisfy the query. This is preferable to generating a new ** ephemeral table. */ if( pParse->nErr==0 && (p = isCandidateForInOpt(pX))!=0 ){ sqlite3 *db = pParse->db; /* Database connection */ @@ -2922,7 +2922,7 @@ int sqlite3FindInIndex( int affinity_ok = 1; int i; - /* Check that the affinity that will be used to perform each + /* Check that the affinity that will be used to perform each ** comparison is the same as the affinity of each column in table ** on the RHS of the IN operator. If it not, it is not possible to ** use any index of the RHS table. */ @@ -2967,14 +2967,14 @@ int sqlite3FindInIndex( continue; /* This index is not unique over the IN RHS columns */ } } - + colUsed = 0; /* Columns of index used so far */ for(i=0; i<nExpr; i++){ Expr *pLhs = sqlite3VectorFieldSubexpr(pX->pLeft, i); Expr *pRhs = pEList->a[i].pExpr; CollSeq *pReq = sqlite3BinaryCompareCollSeq(pParse, pLhs, pRhs); int j; - + for(j=0; j<nExpr; j++){ if( pIdx->aiColumn[j]!=pRhs->iColumn ) continue; assert( pIdx->azColl[j] ); @@ -2989,7 +2989,7 @@ int sqlite3FindInIndex( colUsed |= mCol; if( aiMap ) aiMap[i] = j; } - + assert( i==nExpr || colUsed!=(MASKBIT(nExpr)-1) ); if( colUsed==(MASKBIT(nExpr)-1) ){ /* If we reach this point, that means the index pIdx is usable */ @@ -3001,11 +3001,11 @@ int sqlite3FindInIndex( VdbeComment((v, "%s", pIdx->zName)); assert( IN_INDEX_INDEX_DESC == IN_INDEX_INDEX_ASC+1 ); eType = IN_INDEX_INDEX_ASC + pIdx->aSortOrder[0]; - + if( prRhsHasNull ){ #ifdef SQLITE_ENABLE_COLUMN_USED_MASK i64 mask = (1<<nExpr)-1; - sqlite3VdbeAddOp4Dup8(v, OP_ColumnsUsed, + sqlite3VdbeAddOp4Dup8(v, OP_ColumnsUsed, iTab, 0, 0, (u8*)&mask, P4_INT64); #endif *prRhsHasNull = ++pParse->nMem; @@ -3069,8 +3069,8 @@ int sqlite3FindInIndex( #ifndef SQLITE_OMIT_SUBQUERY /* -** Argument pExpr is an (?, ?...) IN(...) expression. This -** function allocates and returns a nul-terminated string containing +** Argument pExpr is an (?, ?...) IN(...) expression. This +** function allocates and returns a nul-terminated string containing ** the affinities to be used for each column of the comparison. ** ** It is the responsibility of the caller to ensure that the returned @@ -3103,11 +3103,11 @@ static char *exprINAffinity(Parse *pParse, const Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY /* -** Load the Parse object passed as the first argument with an error +** Load the Parse object passed as the first argument with an error ** message of the form: ** ** "sub-select returns N columns - expected M" -*/ +*/ void sqlite3SubselectError(Parse *pParse, int nActual, int nExpect){ if( pParse->nErr==0 ){ const char *zFmt = "sub-select returns %d columns - expected %d"; @@ -3118,7 +3118,7 @@ void sqlite3SubselectError(Parse *pParse, int nActual, int nExpect){ /* ** Expression pExpr is a vector that has been used in a context where -** it is not permitted. If pExpr is a sub-select vector, this routine +** it is not permitted. If pExpr is a sub-select vector, this routine ** loads the Parse object with a message of the form: ** ** "sub-select returns N columns - expected 1" @@ -3126,7 +3126,7 @@ void sqlite3SubselectError(Parse *pParse, int nActual, int nExpect){ ** Or, if it is a regular scalar vector: ** ** "row value misused" -*/ +*/ void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY if( ExprUseXSelect(pExpr) ){ @@ -3148,7 +3148,7 @@ void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ ** x IN (SELECT a FROM b) -- IN operator with subquery on the right ** ** The pExpr parameter is the IN operator. The cursor number for the -** constructed ephermeral table is returned. The first time the ephemeral +** constructed ephemeral table is returned. The first time the ephemeral ** table is computed, the cursor number is also stored in pExpr->iTable, ** however the cursor number returned might not be the same, as it might ** have been duplicated using OP_OpenDup. @@ -3189,7 +3189,7 @@ void sqlite3CodeRhsOfIN( if( !ExprHasProperty(pExpr, EP_VarSelect) && pParse->iSelfTab==0 ){ /* Reuse of the RHS is allowed */ /* If this routine has already been coded, but the previous code - ** might not have been invoked yet, so invoke it now as a subroutine. + ** might not have been invoked yet, so invoke it now as a subroutine. */ if( ExprHasProperty(pExpr, EP_Subrtn) ){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); @@ -3266,7 +3266,7 @@ void sqlite3CodeRhsOfIN( if( rc ){ sqlite3KeyInfoUnref(pKeyInfo); return; - } + } assert( pKeyInfo!=0 ); /* OOM will cause exit after sqlite3Select() */ assert( pEList!=0 ); assert( pEList->nExpr>0 ); @@ -3355,7 +3355,7 @@ void sqlite3CodeRhsOfIN( ** ** The pExpr parameter is the SELECT or EXISTS operator to be coded. ** -** Return the register that holds the result. For a multi-column SELECT, +** Return the register that holds the result. For a multi-column SELECT, ** the result is stored in a contiguous array of registers and the ** return value is the register of the left-most result column. ** Return 0 if an error occurs. @@ -3412,7 +3412,7 @@ int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ if( !ExprHasProperty(pExpr, EP_VarSelect) ){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } - + /* For a SELECT, generate code to put the values for all columns of ** the first row into an array of registers and return the index of ** the first register. @@ -3420,7 +3420,7 @@ int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ ** If this is an EXISTS, write an integer 0 (not exists) or 1 (exists) ** into a register and return that register number. ** - ** In both cases, the query is augmented with "LIMIT 1". Any + ** In both cases, the query is augmented with "LIMIT 1". Any ** preexisting limit is discarded in place of the new LIMIT 1. */ ExplainQueryPlan2(addrExplain, (pParse, 1, "%sSCALAR SUBQUERY %d", @@ -3484,9 +3484,9 @@ int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY /* -** Expr pIn is an IN(...) expression. This function checks that the -** sub-select on the RHS of the IN() operator has the same number of -** columns as the vector on the LHS. Or, if the RHS of the IN() is not +** Expr pIn is an IN(...) expression. This function checks that the +** sub-select on the RHS of the IN() operator has the same number of +** columns as the vector on the LHS. Or, if the RHS of the IN() is not ** a sub-query, that the LHS is a vector of size 1. */ int sqlite3ExprCheckIN(Parse *pParse, Expr *pIn){ @@ -3511,18 +3511,18 @@ int sqlite3ExprCheckIN(Parse *pParse, Expr *pIn){ ** x IN (SELECT ...) ** x IN (value, value, ...) ** -** The left-hand side (LHS) is a scalar or vector expression. The +** The left-hand side (LHS) is a scalar or vector expression. The ** right-hand side (RHS) is an array of zero or more scalar values, or a ** subquery. If the RHS is a subquery, the number of result columns must ** match the number of columns in the vector on the LHS. If the RHS is -** a list of values, the LHS must be a scalar. +** a list of values, the LHS must be a scalar. ** ** The IN operator is true if the LHS value is contained within the RHS. -** The result is false if the LHS is definitely not in the RHS. The -** result is NULL if the presence of the LHS in the RHS cannot be +** The result is false if the LHS is definitely not in the RHS. The +** result is NULL if the presence of the LHS in the RHS cannot be ** determined due to NULLs. ** -** This routine generates code that jumps to destIfFalse if the LHS is not +** This routine generates code that jumps to destIfFalse if the LHS is not ** contained within the RHS. If due to NULLs we cannot determine if the LHS ** is contained in the RHS then jump to destIfNull. If the LHS is contained ** within the RHS then fall through. @@ -3551,7 +3551,7 @@ static void sqlite3ExprCodeIN( int destStep6 = 0; /* Start of code for Step 6 */ int addrTruthOp; /* Address of opcode that determines the IN is true */ int destNotNull; /* Jump here if a comparison is not true in step 6 */ - int addrTop; /* Top of the step-6 loop */ + int addrTop; /* Top of the step-6 loop */ int iTab = 0; /* Index to use */ u8 okConstFactor = pParse->okConstFactor; @@ -3578,7 +3578,7 @@ static void sqlite3ExprCodeIN( aiMap, &iTab); assert( pParse->nErr || nVector==1 || eType==IN_INDEX_EPH - || eType==IN_INDEX_INDEX_ASC || eType==IN_INDEX_INDEX_DESC + || eType==IN_INDEX_INDEX_ASC || eType==IN_INDEX_INDEX_DESC ); #ifdef SQLITE_DEBUG /* Confirm that aiMap[] contains nVector integer values between 0 and @@ -3590,8 +3590,8 @@ static void sqlite3ExprCodeIN( } #endif - /* Code the LHS, the <expr> from "<expr> IN (...)". If the LHS is a - ** vector, then it is stored in an array of nVector registers starting + /* Code the LHS, the <expr> from "<expr> IN (...)". If the LHS is a + ** vector, then it is stored in an array of nVector registers starting ** at r1. ** ** sqlite3FindInIndex() might have reordered the fields of the LHS vector @@ -3723,7 +3723,7 @@ static void sqlite3ExprCodeIN( } /* Step 5. If we do not care about the difference between NULL and - ** FALSE, then just return false. + ** FALSE, then just return false. */ if( destIfFalse==destIfNull ) sqlite3VdbeGoto(v, destIfFalse); @@ -3784,7 +3784,7 @@ sqlite3ExprCodeIN_oom_error: ** Generate an instruction that will put the floating point ** value described by z[0..n-1] into register iMem. ** -** The z[] string will probably not be zero-terminated. But the +** The z[] string will probably not be zero-terminated. But the ** z[n] character is guaranteed to be something that does not look ** like the continuation of the number. */ @@ -3949,7 +3949,7 @@ void sqlite3ExprCodeGetColumnOfTable( /* ** Generate code that will extract the iColumn-th column from -** table pTab and store the column value in register iReg. +** table pTab and store the column value in register iReg. ** ** There must be an open cursor to pTab in iTable when this routine ** is called. If iColumn<0 then code is generated that extracts the rowid. @@ -3995,7 +3995,7 @@ static void exprToRegister(Expr *pExpr, int iReg){ /* ** Evaluate an expression (either a vector or a scalar expression) and store -** the result in continguous temporary registers. Return the index of +** the result in contiguous temporary registers. Return the index of ** the first register used to store the result. ** ** If the returned result register is a temporary scalar, then also write @@ -4035,7 +4035,7 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ */ static void setDoNotMergeFlagOnCopy(Vdbe *v){ if( sqlite3VdbeGetLastOp(v)->opcode==OP_Copy ){ - sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergable */ + sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergeable */ } } @@ -4092,7 +4092,7 @@ static int exprCodeInlineFunction( break; } #endif - default: { + default: { /* The UNLIKELY() function is a no-op. The result is the value ** of the first argument. */ @@ -4109,7 +4109,7 @@ static int exprCodeInlineFunction( case INLINEFUNC_expr_compare: { /* Compare two expressions using sqlite3ExprCompare() */ assert( nFarg==2 ); - sqlite3VdbeAddOp2(v, OP_Integer, + sqlite3VdbeAddOp2(v, OP_Integer, sqlite3ExprCompare(0,pFarg->a[0].pExpr, pFarg->a[1].pExpr,-1), target); break; @@ -4118,19 +4118,19 @@ static int exprCodeInlineFunction( case INLINEFUNC_expr_implies_expr: { /* Compare two expressions using sqlite3ExprImpliesExpr() */ assert( nFarg==2 ); - sqlite3VdbeAddOp2(v, OP_Integer, + sqlite3VdbeAddOp2(v, OP_Integer, sqlite3ExprImpliesExpr(pParse,pFarg->a[0].pExpr, pFarg->a[1].pExpr,-1), target); break; } case INLINEFUNC_implies_nonnull_row: { - /* REsult of sqlite3ExprImpliesNonNullRow() */ + /* Result of sqlite3ExprImpliesNonNullRow() */ Expr *pA1; assert( nFarg==2 ); pA1 = pFarg->a[1].pExpr; if( pA1->op==TK_COLUMN ){ - sqlite3VdbeAddOp2(v, OP_Integer, + sqlite3VdbeAddOp2(v, OP_Integer, sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable,1), target); }else{ @@ -4246,7 +4246,7 @@ int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target){ expr_code_doover: if( pExpr==0 ){ op = TK_NULL; - }else if( pParse->pIdxEpr!=0 + }else if( pParse->pIdxEpr!=0 && !ExprHasProperty(pExpr, EP_Leaf) && (r1 = sqlite3IndexedExprLookup(pParse, pExpr, target))>=0 ){ @@ -4285,7 +4285,7 @@ expr_code_doover: }else if( pCol->iColumn<0 ){ VdbeComment((v,"%s.rowid",pTab->zName)); }else{ - VdbeComment((v,"%s.%s", + VdbeComment((v,"%s.%s", pTab->zName, pTab->aCol[pCol->iColumn].zCnName)); if( pTab->aCol[pCol->iColumn].affinity==SQLITE_AFF_REAL ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, target); @@ -4502,7 +4502,7 @@ expr_code_doover: case TK_BITOR: case TK_SLASH: case TK_LSHIFT: - case TK_RSHIFT: + case TK_RSHIFT: case TK_CONCAT: { assert( TK_AND==OP_And ); testcase( op==TK_AND ); assert( TK_OR==OP_Or ); testcase( op==TK_OR ); @@ -4673,7 +4673,7 @@ expr_code_doover: assert( SQLITE_FUNC_LENGTH==OPFLAG_LENGTHARG ); assert( SQLITE_FUNC_TYPEOF==OPFLAG_TYPEOFARG ); testcase( pDef->funcFlags & OPFLAG_LENGTHARG ); - pFarg->a[0].pExpr->op2 = + pFarg->a[0].pExpr->op2 = pDef->funcFlags & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG); } } @@ -4692,7 +4692,7 @@ expr_code_doover: ** see if it is a column in a virtual table. This is done because ** the left operand of infix functions (the operand we want to ** control overloading) ends up as the second argument to the - ** function. The expression "A glob B" is equivalent to + ** function. The expression "A glob B" is equivalent to ** "glob(B,A). We want to use the A in "A glob B" to test ** for function overloading. But we use the B term in "glob(B,A)". */ @@ -4703,7 +4703,7 @@ expr_code_doover: } #endif if( pDef->funcFlags & SQLITE_FUNC_NEEDCOLL ){ - if( !pColl ) pColl = db->pDfltColl; + if( !pColl ) pColl = db->pDfltColl; sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ); } sqlite3VdbeAddFunctionCall(pParse, constMask, r1, target, nFarg, @@ -4811,7 +4811,7 @@ expr_code_doover: ** ** The expression is implemented using an OP_Param opcode. The p1 ** parameter is set to 0 for an old.rowid reference, or to (i+1) - ** to reference another column of the old.* pseudo-table, where + ** to reference another column of the old.* pseudo-table, where ** i is the index of the column. For a new.rowid reference, p1 is ** set to (n+1), where n is the number of columns in each pseudo-table. ** For a reference to any other column in the new.* pseudo-table, p1 @@ -4825,7 +4825,7 @@ expr_code_doover: ** ** p1==0 -> old.rowid p1==3 -> new.rowid ** p1==1 -> old.a p1==4 -> new.a - ** p1==2 -> old.b p1==5 -> new.b + ** p1==2 -> old.b p1==5 -> new.b */ Table *pTab; int iCol; @@ -4834,7 +4834,7 @@ expr_code_doover: assert( ExprUseYTab(pExpr) ); pTab = pExpr->y.pTab; iCol = pExpr->iColumn; - p1 = pExpr->iTable * (pTab->nCol+1) + 1 + p1 = pExpr->iTable * (pTab->nCol+1) + 1 + sqlite3TableColumnToStorage(pTab, iCol); assert( pExpr->iTable==0 || pExpr->iTable==1 ); @@ -4992,7 +4992,7 @@ expr_code_doover: } #ifndef SQLITE_OMIT_TRIGGER case TK_RAISE: { - assert( pExpr->affExpr==OE_Rollback + assert( pExpr->affExpr==OE_Rollback || pExpr->affExpr==OE_Abort || pExpr->affExpr==OE_Fail || pExpr->affExpr==OE_Ignore @@ -5035,8 +5035,8 @@ expr_code_doover: ** the end of the prepared statement in the initialization section. ** ** If regDest>=0 then the result is always stored in that register and the -** result is not reusable. If regDest<0 then this routine is free to -** store the value whereever it wants. The register where the expression +** result is not reusable. If regDest<0 then this routine is free to +** store the value wherever it wants. The register where the expression ** is stored is returned. When regDest<0, two identical expressions might ** code to the same register, if they do not contain function calls and hence ** are factored out into the initialization section at the end of the @@ -5256,7 +5256,7 @@ int sqlite3ExprCodeExprList( ** ** x BETWEEN y AND z ** -** The above is equivalent to +** The above is equivalent to ** ** x>=y AND x<=z ** @@ -5474,7 +5474,7 @@ void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int jumpIfNull){ } } sqlite3ReleaseTempReg(pParse, regFree1); - sqlite3ReleaseTempReg(pParse, regFree2); + sqlite3ReleaseTempReg(pParse, regFree2); } /* @@ -5635,7 +5635,7 @@ void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int jumpIfNull){ } #endif default: { - default_expr: + default_expr: if( ExprAlwaysFalse(pExpr) ){ sqlite3VdbeGoto(v, dest); }else if( ExprAlwaysTrue(pExpr) ){ @@ -5689,7 +5689,7 @@ static int exprCompareVariable( int res = 0; int iVar; sqlite3_value *pL, *pR = 0; - + sqlite3ValueFromExpr(pParse->db, pExpr, SQLITE_UTF8, SQLITE_AFF_BLOB, &pR); if( pR ){ iVar = pVar->iColumn; @@ -5731,9 +5731,9 @@ static int exprCompareVariable( ** an incorrect 0 or 1 could lead to a malfunction. ** ** If pParse is not NULL then TK_VARIABLE terms in pA with bindings in -** pParse->pReprepare can be matched against literals in pB. The +** pParse->pReprepare can be matched against literals in pB. The ** pParse->pVdbe->expmask bitmask is updated for each variable referenced. -** If pParse is NULL (the normal case) then any TK_VARIABLE term in +** If pParse is NULL (the normal case) then any TK_VARIABLE term in ** Argument pParse should normally be NULL. If it is not NULL and pA or ** pB causes a return value of 2. */ @@ -5764,7 +5764,7 @@ int sqlite3ExprCompare( if( pB->op==TK_COLLATE && sqlite3ExprCompare(pParse, pA,pB->pLeft,iTab)<2 ){ return 1; } - if( pA->op==TK_AGG_COLUMN && pB->op==TK_COLUMN + if( pA->op==TK_AGG_COLUMN && pB->op==TK_COLUMN && pB->iTable<0 && pA->iTable==iTab ){ /* fall through */ @@ -5792,7 +5792,7 @@ int sqlite3ExprCompare( return 0; }else if( pA->op==TK_COLLATE ){ if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; - }else + }else if( pB->u.zToken!=0 && pA->op!=TK_COLUMN && pA->op!=TK_AGG_COLUMN @@ -5825,7 +5825,7 @@ int sqlite3ExprCompare( /* ** Compare two ExprList objects. Return 0 if they are identical, 1 -** if they are certainly different, or 2 if it is not possible to +** if they are certainly different, or 2 if it is not possible to ** determine if they are identical or not. ** ** If any subelement of pB has Expr.iTable==(-1) then it is allowed @@ -5913,8 +5913,8 @@ static int exprImpliesNotNull( case TK_MINUS: case TK_BITOR: case TK_LSHIFT: - case TK_RSHIFT: - case TK_CONCAT: + case TK_RSHIFT: + case TK_CONCAT: seenNot = 1; /* no break */ deliberate_fall_through case TK_STAR: @@ -5954,14 +5954,14 @@ static int exprImpliesNotNull( ** pE1: x!=123 pE2: x IS NOT NULL Result: true ** pE1: x!=?1 pE2: x IS NOT NULL Result: true ** pE1: x IS NULL pE2: x IS NOT NULL Result: false -** pE1: x IS ?2 pE2: x IS NOT NULL Reuslt: false +** pE1: x IS ?2 pE2: x IS NOT NULL Result: false ** ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. ** -** If pParse is not NULL, then the values of bound variables in pE1 are +** If pParse is not NULL, then the values of bound variables in pE1 are ** compared against literal values in pE2 and pParse->pVdbe->expmask is -** modified to record which bound variables are referenced. If pParse +** modified to record which bound variables are referenced. If pParse ** is NULL, then false will be returned if pE1 contains any bound variables. ** ** When in doubt, return false. Returning true might give a performance @@ -6012,7 +6012,7 @@ static void bothImplyNotNullRow(Walker *pWalker, Expr *pE1, Expr *pE2){ ** ** pWalker->mWFlags is non-zero if this inquiry is being undertaking on ** behalf of a RIGHT JOIN (or FULL JOIN). That makes a difference when -** evaluting terms in the ON claue of an inner join. +** evaluating terms in the ON clause of an inner join. ** ** This routine controls an optimization. False positives (setting ** pWalker->eCode to 1 when it should not be) are deadly, but false-negatives @@ -6069,7 +6069,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_AND ); bothImplyNotNullRow(pWalker, pExpr->pLeft, pExpr->pRight); return WRC_Prune; - + case TK_IN: /* Beware of "x NOT IN ()" and "x NOT IN (SELECT 1 WHERE false)", ** both of which can be true. But apart from these cases, if @@ -6184,7 +6184,7 @@ struct IdxCover { }; /* -** Check to see if there are references to columns in table +** Check to see if there are references to columns in table ** pWalker->u.pIdxCover->iCur can be satisfied using the index ** pWalker->u.pIdxCover->pIdx. */ @@ -6226,7 +6226,7 @@ int sqlite3ExprCoveredByIndex( } -/* Structure used to pass information throught the Walker in order to +/* Structure used to pass information throughout the Walker in order to ** implement sqlite3ReferencesSrcList(). */ struct RefSrcList { @@ -6274,7 +6274,7 @@ static void selectRefLeave(Walker *pWalker, Select *pSelect){ } /* This is the Walker EXPR callback for sqlite3ReferencesSrcList(). -** +** ** Set the 0x01 bit of pWalker->eCode if there is a reference to any ** of the tables shown in RefSrcList.pRef. ** @@ -6419,7 +6419,7 @@ static int addAggInfoColumn(sqlite3 *db, AggInfo *pInfo){ &i ); return i; -} +} /* ** Add a new element to the pAggInfo->aFunc[] array. Return the index of @@ -6428,7 +6428,7 @@ static int addAggInfoColumn(sqlite3 *db, AggInfo *pInfo){ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ int i; pInfo->aFunc = sqlite3ArrayAllocate( - db, + db, pInfo->aFunc, sizeof(pInfo->aFunc[0]), &pInfo->nFunc, @@ -6439,10 +6439,10 @@ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ /* ** Search the AggInfo object for an aCol[] entry that has iTable and iColumn. -** Return the index in aCol[] of the entry that describes that column. +** Return the index in aCol[] of the entry that describes that column. ** ** If no prior entry is found, create a new one and return -1. The -** new column will have an idex of pAggInfo->nColumn-1. +** new column will have an index of pAggInfo->nColumn-1. */ static void findOrCreateAggInfoColumn( Parse *pParse, /* Parsing context */ @@ -6581,7 +6581,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ if( (pNC->ncFlags & NC_InAggFunc)==0 && pWalker->walkerDepth==pExpr->op2 ){ - /* Check to see if pExpr is a duplicate of another aggregate + /* Check to see if pExpr is a duplicate of another aggregate ** function that is already in the pAggInfo structure */ struct AggInfo_func *pItem = pAggInfo->aFunc; @@ -6602,7 +6602,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ pItem->pFExpr = pExpr; assert( ExprUseUToken(pExpr) ); pItem->pFunc = sqlite3FindFunction(pParse->db, - pExpr->u.zToken, + pExpr->u.zToken, pExpr->x.pList ? pExpr->x.pList->nExpr : 0, enc, 0); if( pExpr->flags & EP_Distinct ){ pItem->iDistinct = pParse->nTab++; |