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Remove get_attidentity()

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All existing uses can get this information more easily from the
relation descriptor, so the detour through the syscache is not
necessary.

Reviewed-by: Michael Paquier <michael@paquier.xyz>
This commit is contained in:
Peter Eisentraut
2018-10-23 14:45:29 +02:00
parent c903bb7b1c
commit 5d7c703a44
4 changed files with 12 additions and 41 deletions
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5
src/backend/parser/parse_utilcmd.c
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@@ -2919,6 +2919,7 @@ transformAlterTableStmt(Oid relid, AlterTableStmt *stmt,
const char *queryString)
{
Relation rel;
TupleDesc tupdesc;
ParseState *pstate;
CreateStmtContext cxt;
List *result;
@@ -2938,6 +2939,7 @@ transformAlterTableStmt(Oid relid, AlterTableStmt *stmt,
/* Caller is responsible for locking the relation */
rel = relation_open(relid, NoLock);
tupdesc = RelationGetDescr(rel);
/* Set up pstate */
pstate = make_parsestate(NULL);
@@ -3067,7 +3069,8 @@ transformAlterTableStmt(Oid relid, AlterTableStmt *stmt,
* if attribute not found, something will error about it
* later
*/
if (attnum != InvalidAttrNumber && get_attidentity(relid, attnum))
if (attnum != InvalidAttrNumber &&
TupleDescAttr(tupdesc, attnum - 1)->attidentity)
{
Oid seq_relid = getOwnedSequence(relid, attnum);
Oid typeOid = typenameTypeId(pstate, def->typeName);