diff options
Diffstat (limited to 'src/backend/nodes/equalfuncs.c')
| -rw-r--r-- | src/backend/nodes/equalfuncs.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/src/backend/nodes/equalfuncs.c b/src/backend/nodes/equalfuncs.c index 7245fa32a0f..3f96595e8eb 100644 --- a/src/backend/nodes/equalfuncs.c +++ b/src/backend/nodes/equalfuncs.c @@ -728,22 +728,8 @@ _equalFromExpr(const FromExpr *a, const FromExpr *b) static bool _equalPathKey(const PathKey *a, const PathKey *b) { - /* - * This is normally used on non-canonicalized PathKeys, so must chase up - * to the topmost merged EquivalenceClass and see if those are the same - * (by pointer equality). - */ - EquivalenceClass *a_eclass; - EquivalenceClass *b_eclass; - - a_eclass = a->pk_eclass; - while (a_eclass->ec_merged) - a_eclass = a_eclass->ec_merged; - b_eclass = b->pk_eclass; - while (b_eclass->ec_merged) - b_eclass = b_eclass->ec_merged; - if (a_eclass != b_eclass) - return false; + /* We assume pointer equality is sufficient to compare the eclasses */ + COMPARE_SCALAR_FIELD(pk_eclass); COMPARE_SCALAR_FIELD(pk_opfamily); COMPARE_SCALAR_FIELD(pk_strategy); COMPARE_SCALAR_FIELD(pk_nulls_first); |