diff options
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index 081115b8a..b3801160d 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -1222,7 +1222,7 @@ struct sqlite3 { #define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */ #define SQLITE_Transitive 0x0200 /* Transitive constraints */ #define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */ -#define SQLITE_Stat3 0x0800 /* Use the SQLITE_STAT3 table */ +#define SQLITE_Stat34 0x0800 /* Use STAT3 or STAT4 data */ #define SQLITE_AllOpts 0xffff /* All optimizations */ /* @@ -1809,7 +1809,8 @@ struct Index { int nSampleCol; /* Size of IndexSample.anEq[] and so on */ tRowcnt *aAvgEq; /* Average nEq values for keys not in aSample */ IndexSample *aSample; /* Samples of the left-most key */ - tRowcnt *aiRowEst; /* Non-logarithmic stat1 data for this table */ + tRowcnt *aiRowEst; /* Non-logarithmic stat1 data for this index */ + tRowcnt nRowEst0; /* Non-logarithmic number of rows in the index */ #endif }; @@ -2007,7 +2008,7 @@ struct Expr { int iTable; /* TK_COLUMN: cursor number of table holding column ** TK_REGISTER: register number ** TK_TRIGGER: 1 -> new, 0 -> old - ** EP_Unlikely: 1000 times likelihood */ + ** EP_Unlikely: 134217728 times likelihood */ ynVar iColumn; /* TK_COLUMN: column index. -1 for rowid. ** TK_VARIABLE: variable number (always >= 1). */ i16 iAgg; /* Which entry in pAggInfo->aCol[] or ->aFunc[] */ @@ -2903,9 +2904,11 @@ struct Walker { void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */ Parse *pParse; /* Parser context. */ int walkerDepth; /* Number of subqueries */ + u8 eCode; /* A small processing code */ union { /* Extra data for callback */ NameContext *pNC; /* Naming context */ - int i; /* Integer value */ + int n; /* A counter */ + int iCur; /* A cursor number */ SrcList *pSrcList; /* FROM clause */ struct SrcCount *pSrcCount; /* Counting column references */ } u; @@ -3306,6 +3309,7 @@ void sqlite3LeaveMutexAndCloseZombie(sqlite3*); int sqlite3ExprIsConstant(Expr*); int sqlite3ExprIsConstantNotJoin(Expr*); int sqlite3ExprIsConstantOrFunction(Expr*, u8); +int sqlite3ExprIsTableConstant(Expr*,int); int sqlite3ExprIsInteger(Expr*, int*); int sqlite3ExprCanBeNull(const Expr*); int sqlite3ExprNeedsNoAffinityChange(const Expr*, char); @@ -3551,7 +3555,7 @@ int sqlite3OpenTempDatabase(Parse *); void sqlite3StrAccumInit(StrAccum*, char*, int, int); void sqlite3StrAccumAppend(StrAccum*,const char*,int); void sqlite3StrAccumAppendAll(StrAccum*,const char*); -void sqlite3AppendSpace(StrAccum*,int); +void sqlite3AppendChar(StrAccum*,int,char); char *sqlite3StrAccumFinish(StrAccum*); void sqlite3StrAccumReset(StrAccum*); void sqlite3SelectDestInit(SelectDest*,int,int); |