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| author | drh <> | 2022-11-25 13:08:20 +0000 |
|---|---|---|
| committer | drh <> | 2022-11-25 13:08:20 +0000 |
| commit | 7960da03466d96209f53defe088fc16916ba26fc (patch) | |
| tree | afc355b8eb3bb1586d7adacc79a2902454f92370 /src/expr.c | |
| parent | 8683c0928111707903654278e6c87634cbee5d8c (diff) | |
| download | sqlite-7960da03466d96209f53defe088fc16916ba26fc.tar.gz sqlite-7960da03466d96209f53defe088fc16916ba26fc.zip | |
Improved comments. Add assert()s to verify that the AggInfo structure
is unchanged after registers have been assigned.
FossilOrigin-Name: 5200b84195ee1ccaa387f7032eae3d463724c48cb53ba0251bbc79e927dd9752
Diffstat (limited to 'src/expr.c')
| -rw-r--r-- | src/expr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/expr.c b/src/expr.c index d7f8cfa91..d30ae9766 100644 --- a/src/expr.c +++ b/src/expr.c @@ -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; |