diff options
Diffstat (limited to 'src/backend/access/gist/gist.c')
| -rw-r--r-- | src/backend/access/gist/gist.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c index 8c2dbc940f4..d6aaea2162d 100644 --- a/src/backend/access/gist/gist.c +++ b/src/backend/access/gist/gist.c @@ -1030,6 +1030,9 @@ gistnewroot(Relation r, Buffer buffer, IndexTuple *itup, int len, ItemPointer ke END_CRIT_SECTION(); } +/* + * Fill a GISTSTATE with information about the index + */ void initGISTstate(GISTSTATE *giststate, Relation index) { @@ -1064,6 +1067,13 @@ initGISTstate(GISTSTATE *giststate, Relation index) fmgr_info_copy(&(giststate->equalFn[i]), index_getprocinfo(index, i + 1, GIST_EQUAL_PROC), CurrentMemoryContext); + /* opclasses are not required to provide a Distance method */ + if (OidIsValid(index_getprocid(index, i + 1, GIST_DISTANCE_PROC))) + fmgr_info_copy(&(giststate->distanceFn[i]), + index_getprocinfo(index, i + 1, GIST_DISTANCE_PROC), + CurrentMemoryContext); + else + giststate->distanceFn[i].fn_oid = InvalidOid; } } |