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-rw-r--r--src/build.c11
-rw-r--r--src/expr.c3
2 files changed, 5 insertions, 9 deletions
diff --git a/src/build.c b/src/build.c
index fe3a781d6..59e3e23f0 100644
--- a/src/build.c
+++ b/src/build.c
@@ -246,19 +246,14 @@ void sqlite3FinishCoding(Parse *pParse){
*/
if( pParse->pAinc ) sqlite3AutoincrementBegin(pParse);
- /* Code constant expressions that where factored out of inner loops.
- **
- ** The pConstExpr list might also contain expressions that we simply
- ** want to keep around until the Parse object is deleted. Such
- ** expressions have iConstExprReg==0. Do not generate code for
- ** those expressions, of course.
+ /* Code constant expressions that were factored out of inner loops.
*/
if( pParse->pConstExpr ){
ExprList *pEL = pParse->pConstExpr;
pParse->okConstFactor = 0;
for(i=0; i<pEL->nExpr; i++){
- int iReg = pEL->a[i].u.iConstExprReg;
- sqlite3ExprCode(pParse, pEL->a[i].pExpr, iReg);
+ assert( pEL->a[i].u.iConstExprReg>0 );
+ sqlite3ExprCode(pParse, pEL->a[i].pExpr, pEL->a[i].u.iConstExprReg);
}
}
diff --git a/src/expr.c b/src/expr.c
index d96f36285..9f876e610 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -5048,7 +5048,7 @@ expr_code_doover:
** once. If no functions are involved, then factor the code out and put it at
** the end of the prepared statement in the initialization section.
**
-** If regDest>=0 then the result is always stored in that register and the
+** If regDest>0 then the result is always stored in that register and the
** result is not reusable. If regDest<0 then this routine is free to
** store the value wherever it wants. The register where the expression
** is stored is returned. When regDest<0, two identical expressions might
@@ -5063,6 +5063,7 @@ int sqlite3ExprCodeRunJustOnce(
){
ExprList *p;
assert( ConstFactorOk(pParse) );
+ assert( regDest!=0 );
p = pParse->pConstExpr;
if( regDest<0 && p ){
struct ExprList_item *pItem;