diff options
Diffstat (limited to 'contrib/ltree/ltree_op.c')
| -rw-r--r-- | contrib/ltree/ltree_op.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/contrib/ltree/ltree_op.c b/contrib/ltree/ltree_op.c index 28fcfb7f7e3..44721bf6d0e 100644 --- a/contrib/ltree/ltree_op.c +++ b/contrib/ltree/ltree_op.c @@ -196,12 +196,13 @@ inner_subltree(ltree * t, int4 startpos, int4 endpos) ltree *res; int i; - if (startpos < 0 || endpos < 0 || startpos >= t->numlevel || startpos >= endpos) + if (startpos < 0 || endpos < 0 || startpos >= t->numlevel || startpos > endpos) elog(ERROR, "Wrong positions"); if (endpos > t->numlevel) endpos = t->numlevel; + start = end = (char *) ptr; for (i = 0; i < endpos; i++) { if (i == startpos) @@ -258,7 +259,7 @@ subpath(PG_FUNCTION_ARGS) if (len < 0) end = t->numlevel + len; else if (len == 0) - end = 0xffff; + end = (fcinfo->nargs == 3) ? start : 0xffff; res = inner_subltree(t, start, end); |