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rework the VDBE engine. NULL is now distinct from "" (CVS 49)

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FossilOrigin-Name: 6ea5cebf05562de00d2cf0b9e2aac5f3857638ee
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drh
2000-06-04 12:58:36 +00:00
parent 32aa77ed6e
commit c61053b771
11 changed files with 568 additions and 341 deletions
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4
src/expr.c
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@@ -23,7 +23,7 @@
*************************************************************************
** This file contains C code routines used for processing expressions
**
** $Id: expr.c,v 1.4 2000/06/03 19:19:41 drh Exp $
** $Id: expr.c,v 1.5 2000/06/04 12:58:37 drh Exp $
*/
#include "sqliteInt.h"
@@ -324,7 +324,7 @@ void sqliteExprCode(Parse *pParse, Expr *pExpr){
break;
}
case TK_NULL: {
sqliteVdbeAddOp(v, OP_String, 0, 0, "", 0);
sqliteVdbeAddOp(v, OP_Null, 0, 0, 0, 0);
break;
}
case TK_AND: