From 4b87745d1cbca0b8ddc4e583c8a63527ba96314e Mon Sep 17 00:00:00 2001 From: Teodor Sigaev Date: Tue, 28 Jul 2009 09:31:55 +0000 Subject: [PATCH] Fix incorrect cleanup of tsquery in ts_rewrite(). Per bug #4933 by Aaron Marcuse-Kubitza --- src/backend/utils/adt/tsquery_rewrite.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/backend/utils/adt/tsquery_rewrite.c b/src/backend/utils/adt/tsquery_rewrite.c index 5859fd3f83..196a3779f9 100644 --- a/src/backend/utils/adt/tsquery_rewrite.c +++ b/src/backend/utils/adt/tsquery_rewrite.c @@ -217,12 +217,12 @@ dropvoidsubtree(QTNode *root) root->nchild = j; - if (root->valnode->qoperator.oper == OP_NOT && root->nchild == 0) + if (root->nchild == 0) { QTNFree(root); root = NULL; } - else if (root->nchild == 1) + else if (root->nchild == 1 && root->valnode->qoperator.oper != OP_NOT) { QTNode *nroot = root->child[0]; -- 2.39.5