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Update some comments that should've covered MERGE

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Oversight in 7103ebb7aa.  Backpatch to 15.

Author: Richard Guo <guofenglinux@gmail.com>
Discussion: https://postgr.es/m/CAMbWs48gnDjZXq3-b56dVpQCNUJ5hD9kdtWN4QFwKCEapspNsA@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2022-10-24 12:52:43 +02:00
parent 8328a15f8f
commit 3b2db22fe2
14 changed files with 42 additions and 34 deletions
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2
src/backend/optimizer/util/relnode.c
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@@ -1013,7 +1013,7 @@ build_joinrel_tlist(PlannerInfo *root, RelOptInfo *joinrel,
if (var->varno == ROWID_VAR)
{
/* UPDATE/DELETE row identity vars are always needed */
/* UPDATE/DELETE/MERGE row identity vars are always needed */
RowIdentityVarInfo *ridinfo = (RowIdentityVarInfo *)
list_nth(root->row_identity_vars, var->varattno - 1);