diff options
Diffstat (limited to 'contrib/postgres_fdw/deparse.c')
| -rw-r--r-- | contrib/postgres_fdw/deparse.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/contrib/postgres_fdw/deparse.c b/contrib/postgres_fdw/deparse.c index 473fa45bd43..8a847deb13b 100644 --- a/contrib/postgres_fdw/deparse.c +++ b/contrib/postgres_fdw/deparse.c @@ -4026,7 +4026,17 @@ get_relation_column_alias_ids(Var *node, RelOptInfo *foreignrel, i = 1; foreach(lc, foreignrel->reltarget->exprs) { - if (equal(lfirst(lc), (Node *) node)) + Var *tlvar = (Var *) lfirst(lc); + + /* + * Match reltarget entries only on varno/varattno. Ideally there + * would be some cross-check on varnullingrels, but it's unclear what + * to do exactly; we don't have enough context to know what that value + * should be. + */ + if (IsA(tlvar, Var) && + tlvar->varno == node->varno && + tlvar->varattno == node->varattno) { *colno = i; return; |