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Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index 15877e37a60..03cf2419963 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -8192,7 +8192,12 @@ get_rule_expr(Node *node, deparse_context *context, AlternativeSubPlan *asplan = (AlternativeSubPlan *) node; ListCell *lc; - /* As above, this can only happen during EXPLAIN */ + /* + * This case cannot be reached in normal usage, since no + * AlternativeSubPlan can appear either in parsetrees or + * finished plan trees. We keep it just in case somebody + * wants to use this code to print planner data structures. + */ appendStringInfoString(buf, "(alternatives: "); foreach(lc, asplan->subplans) { |