diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 2d2e2c0fbc1..271564fd23b 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -944,6 +944,11 @@ typedef struct RangeTblEntry /* * Fields valid for a plain relation RTE (else zero): + * + * 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 + * tables to be invalidated if the underlying table is altered. */ Oid relid; /* OID of the relation */ char relkind; /* relation kind (see pg_class.relkind) */ @@ -1004,16 +1009,23 @@ typedef struct RangeTblEntry bool self_reference; /* is this a recursive self-reference? */ /* - * Fields valid for values and CTE RTEs (else NIL): + * Fields valid for table functions, values, CTE and ENR RTEs (else NIL): * * We need these for CTE RTEs so that the types of self-referential * columns are well-defined. For VALUES RTEs, storing these explicitly * saves having to re-determine the info by scanning the values_lists. + * For ENRs, we store the types explicitly here (we could get the + * information from the catalogs if 'relid' was supplied, but we'd still + * need these for TupleDesc-based ENRs, so we might as well always store + * the type info here). */ List *coltypes; /* OID list of column type OIDs */ List *coltypmods; /* integer list of column typmods */ List *colcollations; /* OID list of column collation OIDs */ + /* + * Fields valid for ENR RTEs (else NULL/zero): + */ char *enrname; /* name of ephemeral named relation */ double enrtuples; /* estimated or actual from caller */ |