diff options
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index e37ed673a..0b71ef42b 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -2506,11 +2506,11 @@ struct AggInfo { ExprList *pGroupBy; /* The group by clause */ struct AggInfo_col { /* For each column used in source tables */ Table *pTab; /* Source table */ + Expr *pExpr; /* The original expression */ int iTable; /* Cursor number of the source table */ - int iColumn; /* Column number within the source table */ - int iSorterColumn; /* Column number in the sorting index */ int iMem; /* Memory location that acts as accumulator */ - Expr *pExpr; /* The original expression */ + i16 iColumn; /* Column number within the source table */ + i16 iSorterColumn; /* Column number in the sorting index */ } *aCol; int nColumn; /* Number of used entries in aCol[] */ int nAccumulator; /* Number of columns that show through to the output. @@ -2523,9 +2523,18 @@ struct AggInfo { int iDistinct; /* Ephemeral table used to enforce DISTINCT */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ +#ifdef SQLITE_DEBUG + int iAggMagic; /* Magic number when valid */ +#endif + AggInfo *pNext; /* Next in list of them all */ }; /* +** Value for AggInfo.iAggMagic when the structure is valid +*/ +#define AggInfoMagic 0x2059e99e + +/* ** The datatype ynVar is a signed integer, either 16-bit or 32-bit. ** Usually it is 16-bits. But if SQLITE_MAX_VARIABLE_NUMBER is greater ** than 32767 we have to make it 32-bit. 16-bit is preferred because @@ -3321,6 +3330,7 @@ struct Parse { Parse *pToplevel; /* Parse structure for main program (or NULL) */ Table *pTriggerTab; /* Table triggers are being coded for */ Parse *pParentParse; /* Parent parser if this parser is nested */ + AggInfo *pAggList; /* List of all AggInfo objects */ int addrCrTab; /* Address of OP_CreateBtree opcode on CREATE TABLE */ u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ @@ -4287,6 +4297,7 @@ int sqlite3ExprCompareSkip(Expr*, Expr*, int); int sqlite3ExprListCompare(ExprList*, ExprList*, int); int sqlite3ExprImpliesExpr(Parse*,Expr*, Expr*, int); int sqlite3ExprImpliesNonNullRow(Expr*,int); +void sqlite3AggInfoPersistWalkerInit(Walker*,Parse*); void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); |