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-rw-r--r--src/resolve.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/resolve.c b/src/resolve.c
index 60fed0b10..aff6dbead 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -24,6 +24,8 @@
**
** incrAggFunctionDepth(pExpr,n) is the main routine. incrAggDepth(..)
** is a helper function - a callback for the tree walker.
+**
+** See also the sqlite3WindowExtraAggFuncDepth() routine in window.c
*/
static int incrAggDepth(Walker *pWalker, Expr *pExpr){
if( pExpr->op==TK_AGG_FUNCTION ) pExpr->op2 += pWalker->u.n;