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Fix bug introduced by last patch, thanks again to Mario Weilguni <mweilguni@sime.com>

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This commit is contained in:
Teodor Sigaev 2006-08-08 15:45:24 +00:00
parent 804e7c5c53
commit 73761f3659
1 changed files with 25 additions and 5 deletions
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30
contrib/ltree/ltree_gist.c
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@ -455,16 +455,36 @@ gist_isparent(ltree_gist * key, ltree * query)
return false;
}
static ltree *
copy_ltree( ltree *src ) {
ltree *dst = (ltree*)palloc(src->len);
memcpy(dst, src, src->len);
return dst;
}
static bool
gist_ischild(ltree_gist * key, ltree * query)
{
if (ltree_compare(query, LTG_GETLNODE(key)) < 0)
return false;
ltree *left = copy_ltree(LTG_GETLNODE(key));
ltree *right = copy_ltree(LTG_GETRNODE(key));
bool res = true;
if (ltree_compare(query, LTG_GETRNODE(key)) > 0)
return false;
if (left->numlevel > query->numlevel)
left->numlevel = query->numlevel;
return true;
if (ltree_compare(query, left) < 0)
res = false;
if (right->numlevel > query->numlevel)
right->numlevel = query->numlevel;
if (res && ltree_compare(query, right) > 0)
res = false;
pfree(left);
pfree(right);
return res;
}
static bool