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Suppress more instances of unnecessary OP_IsNull and OP_Affinity opcodes.

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FossilOrigin-Name: bf6c0bd1c5568c6292ea0a64c8a5071e1bd3079a
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drh
2009-11-18 01:25:26 +00:00
parent 3c65721a5b
commit 2f2855b638
5 changed files with 38 additions and 17 deletions
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src/sqliteInt.h
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@@ -2675,6 +2675,7 @@ int sqlite3ExprIsConstantNotJoin(Expr*);
int sqlite3ExprIsConstantOrFunction(Expr*);
int sqlite3ExprIsInteger(Expr*, int*);
int sqlite3ExprCanBeNull(const Expr*);
void sqlite3ExprCodeIsNullJump(Vdbe*, const Expr*, int, int);
int sqlite3ExprNeedsNoAffinityChange(const Expr*, char);
int sqlite3IsRowid(const char*);
void sqlite3GenerateRowDelete(Parse*, Table*, int, int, int, Trigger *, int);