@@ -4264,16 +4264,15 @@ postgresGetForeignJoinPaths(PlannerInfo *root,
42644264fpinfo -> attrs_used = NULL ;
42654265
42664266/*
4267- * In case there is a possibility that EvalPlanQual will be executed, we
4268- * should be able to reconstruct the row, from base relations applying all
4269- * the conditions. We create a local plan from a suitable local path
4270- * available in the path list. In case such a path doesn't exist, we can
4271- * not push the join to the foreign server since we won't be able to
4267+ * If there is a possibility that EvalPlanQual will be executed, we need
4268+ * to be able to reconstruct the row using scans of the base relations.
4269+ * GetExistingLocalJoinPath will find a suitable path for this purpose in
4270+ * the path list of the joinrel, if one exists. We must be careful to
4271+ * call it before adding any ForeignPath, since the ForeignPath might
4272+ * dominate the only suitable local path available. We also do it before
42724273 * reconstruct the row for EvalPlanQual(). Find an alternative local path
4273- * before we add ForeignPath, lest the new path would kick possibly the
4274- * only local path. Do this before calling foreign_join_ok(), since that
4275- * function updates fpinfo and marks it as pushable if the join is found
4276- * to be pushable.
4274+ * calling foreign_join_ok(), since that function updates fpinfo and marks
4275+ * it as pushable if the join is found to be pushable.
42774276 */
42784277if (root -> parse -> commandType == CMD_DELETE ||
42794278root -> parse -> commandType == CMD_UPDATE ||