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Fix problems related to RangeTblEntry members enrname and enrtuples.

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Commit 18ce3a4ab22d2984f8540ab480979c851dae5338 failed to update
the comments in parsenodes.h for the new members, and made only
incomplete updates to src/backend/nodes

Thomas Munro, per a report from Noah Misch.

Discussion: http://postgr.es/m/20170611062525.GA1628882@rfd.leadboat.com
This commit is contained in:
Robert Haas
2017-06-14 16:19:46 -04:00
parent 6c2003f8a1
commit f32d57fd70
5 changed files with 19 additions and 2 deletions
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14
src/include/nodes/parsenodes.h
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@ -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 */