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Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 9cb915275ed..af828b84459 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -982,6 +982,12 @@ typedef struct RangeTblEntry /* * Fields valid for a plain relation RTE (else zero): * + * As a special case, relid can also be set in RTE_SUBQUERY RTEs. This + * happens when an RTE_RELATION RTE for a view is transformed to an + * RTE_SUBQUERY during rewriting. We keep the relid because it is useful + * during planning, cf makeWholeRowVar. (It cannot be relied on during + * execution, because it will not propagate to parallel workers.) + * * As a special case, RTE_NAMEDTUPLESTORE can also set relid to indicate * that the tuple format of the tuplestore is the same as the referenced * relation. This allows plans referencing AFTER trigger transition |