commit eda079cd2c8ac1217574cd372c7bbcf6f651ccab
author drh <drh@noemail.net> Thu Sep 20 19:02:15 2018 +0000
committer drh <drh@noemail.net> Thu Sep 20 19:02:15 2018 +0000
tree 1426ab64c86073c55d49fd39029c8cd092348dd8
parent 85c6892aa45dc0f476aa9bd772c678215f679853

Combine the Expr.pTab and Expr.pWin fields into a union named "y".  Add a new
EP_WinFunc property that is only true if Expr.y.pWin is a valid pointer.
This reduces the size of the Expr object by 8 bytes, reduces the overall
amount of code, and shaves over 1 million cycles off of the speed test.

FossilOrigin-Name: ad130bb86e74e6ce165fdbdce3a19699510f0e62071c1c7923b5a4538d888c7c

src/treeview.c

diff --git a/src/treeview.c b/src/treeview.c
index cde776d..c8c3b90 100644
--- a/src/treeview.c
+++ b/src/treeview.c
@@ -497,7 +497,7 @@
       }else{
         pFarg = pExpr->x.pList;
 #ifndef SQLITE_OMIT_WINDOWFUNC
-        pWin = pExpr->pWin;
+        pWin = pExpr->y.pWin;
 #else
         pWin = 0;
 #endif