commit 2b359bdbe4e590668cdfe9cce95ddfa6472ec1c4
author dan <dan@noemail.net> Thu Oct 28 11:31:23 2010 +0000
committer dan <dan@noemail.net> Thu Oct 28 11:31:23 2010 +0000
tree 20c6542f7190b47175c44dca5e5d844b90d666bb
parent f1f22bcc22fbfa11645cb39bfa3ec3566fdf187b

Enforce the MAX_EXPR_DEPTH limit while building expression trees during SQL parsing.

FossilOrigin-Name: 2625eee0cb7f22dba61459b689e33a03ecebb6da

src/expr.c

diff --git a/src/expr.c b/src/expr.c
index 41be162..ab66e9f 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -484,6 +484,9 @@
 ){
   Expr *p = sqlite3ExprAlloc(pParse->db, op, pToken, 1);
   sqlite3ExprAttachSubtrees(pParse->db, p, pLeft, pRight);
+  if( p ) {
+    sqlite3ExprCheckHeight(pParse, p->nHeight);
+  }
   return p;
 }