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Do not reuse factored constants that might have had their encodings changed.

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FossilOrigin-Name: 487f20366ce77f0c90865d10d5aaedd95af98694
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drh
2013-11-21 21:23:31 +00:00
parent d9f158e7b2
commit d673cddad6
5 changed files with 61 additions and 16 deletions
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3
src/sqliteInt.h
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@@ -1916,6 +1916,7 @@ struct ExprList {
u8 sortOrder; /* 1 for DESC or 0 for ASC */
unsigned done :1; /* A flag to indicate when processing is finished */
unsigned bSpanIsTab :1; /* zSpan holds DB.TABLE.COLUMN */
unsigned reusable :1; /* Constant expression is reusable */
union {
struct {
u16 iOrderByCol; /* For ORDER BY, column number in result set */
@@ -2910,7 +2911,7 @@ void sqlite3ExprCacheRemove(Parse*, int, int);
void sqlite3ExprCacheClear(Parse*);
void sqlite3ExprCacheAffinityChange(Parse*, int, int);
int sqlite3ExprCode(Parse*, Expr*, int);
void sqlite3ExprCodeAtInit(Parse*, Expr*, int);
void sqlite3ExprCodeAtInit(Parse*, Expr*, int, u8);
int sqlite3ExprCodeTemp(Parse*, Expr*, int*);
int sqlite3ExprCodeTarget(Parse*, Expr*, int);
int sqlite3ExprCodeAndCache(Parse*, Expr*, int);