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Merge the latest enhancements from trunk.

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FossilOrigin-Name: a7dcf6a79f7e1c5884baee2909a4bf3174ae06d561dae87b390856e573f81b49
This commit is contained in:
drh
2017-05-02 19:45:14 +00:00
parent 6f92c34866 e780764b4e
commit 5034dc673d
13 changed files with 450 additions and 82 deletions
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21
src/sqliteInt.h
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@@ -3318,15 +3318,17 @@ struct Walker {
int walkerDepth; /* Number of subqueries */
u8 eCode; /* A small processing code */
union { /* Extra data for callback */
NameContext *pNC; /* Naming context */
int n; /* A counter */
int iCur; /* A cursor number */
SrcList *pSrcList; /* FROM clause */
struct SrcCount *pSrcCount; /* Counting column references */
struct CCurHint *pCCurHint; /* Used by codeCursorHint() */
int *aiCol; /* array of column indexes */
struct IdxCover *pIdxCover; /* Check for index coverage */
struct IdxExprTrans *pIdxTrans; /* Convert indexed expr to column */
NameContext *pNC; /* Naming context */
int n; /* A counter */
int iCur; /* A cursor number */
SrcList *pSrcList; /* FROM clause */
struct SrcCount *pSrcCount; /* Counting column references */
struct CCurHint *pCCurHint; /* Used by codeCursorHint() */
int *aiCol; /* array of column indexes */
struct IdxCover *pIdxCover; /* Check for index coverage */
struct IdxExprTrans *pIdxTrans; /* Convert indexed expr to column */
ExprList *pGroupBy; /* GROUP BY clause */
struct HavingToWhereCtx *pHavingCtx; /* HAVING to WHERE clause ctx */
} u;
};
@@ -3796,6 +3798,7 @@ void sqlite3LeaveMutexAndCloseZombie(sqlite3*);
int sqlite3ExprIsConstant(Expr*);
int sqlite3ExprIsConstantNotJoin(Expr*);
int sqlite3ExprIsConstantOrFunction(Expr*, u8);
int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*);
int sqlite3ExprIsTableConstant(Expr*,int);
#ifdef SQLITE_ENABLE_CURSOR_HINTS
int sqlite3ExprContainsSubquery(Expr*);