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Improved comments. Add assert()s to verify that the AggInfo structure

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is unchanged after registers have been assigned.

FossilOrigin-Name: 5200b84195ee1ccaa387f7032eae3d463724c48cb53ba0251bbc79e927dd9752
This commit is contained in:
drh
2022-11-25 13:08:20 +00:00
parent 8683c09281
commit 7960da0346
5 changed files with 35 additions and 12 deletions
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2
src/expr.c
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@@ -6265,6 +6265,7 @@ static void findOrCreateAggInfoColumn(
struct AggInfo_col *pCol;
int k;
assert( pAggInfo->iFirstReg==0 );
pCol = pAggInfo->aCol;
for(k=0; k<pAggInfo->nColumn; k++, pCol++){
if( pCol->iTable==pExpr->iTable
@@ -6328,6 +6329,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
AggInfo *pAggInfo = pNC->uNC.pAggInfo;
assert( pNC->ncFlags & NC_UAggInfo );
assert( pAggInfo->iFirstReg==0 );
switch( pExpr->op ){
default: {
IndexedExpr *pIEpr;