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Make more use of makeColumnDef()

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Since we already have it, we might as well make full use of it,
instead of assembling ColumnDef by hand in several places.

Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Discussion: https://www.postgresql.org/message-id/flat/52a125e4-ff9a-95f5-9f61-b87cf447e4da@eisentraut.org
This commit is contained in:
Peter Eisentraut
2023-08-29 08:41:04 +02:00
parent 2b088c8e4a
commit 1fa9241bdd
3 changed files with 19 additions and 65 deletions
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40
src/backend/parser/parse_utilcmd.c
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@ -1066,7 +1066,6 @@ transformTableLikeClause(CreateStmtContext *cxt, TableLikeClause *table_like_cla
{
Form_pg_attribute attribute = TupleDescAttr(tupleDesc,
parent_attno - 1);
char *attributeName = NameStr(attribute->attname);
ColumnDef *def;
/*
@ -1076,29 +1075,18 @@ transformTableLikeClause(CreateStmtContext *cxt, TableLikeClause *table_like_cla
continue;
/*
* Create a new column, which is marked as NOT inherited.
*
* Create a new column definition
*/
def = makeColumnDef(NameStr(attribute->attname), attribute->atttypid,
attribute->atttypmod, attribute->attcollation);
/*
* For constraints, ONLY the not-null constraint is inherited by the
* new column definition per SQL99; however we cannot do that
* correctly here, so we leave it for expandTableLikeClause to handle.
*/
def = makeNode(ColumnDef);
def->colname = pstrdup(attributeName);
def->typeName = makeTypeNameFromOid(attribute->atttypid,
attribute->atttypmod);
def->inhcount = 0;
def->is_local = true;
def->is_not_null = false;
if (attribute->attnotnull)
process_notnull_constraints = true;
def->is_from_type = false;
def->storage = 0;
def->raw_default = NULL;
def->cooked_default = NULL;
def->collClause = NULL;
def->collOid = attribute->attcollation;
def->constraints = NIL;
def->location = -1;
/*
* Add to column list
@ -1635,20 +1623,10 @@ transformOfType(CreateStmtContext *cxt, TypeName *ofTypename)
if (attr->attisdropped)
continue;
n = makeNode(ColumnDef);
n->colname = pstrdup(NameStr(attr->attname));
n->typeName = makeTypeNameFromOid(attr->atttypid, attr->atttypmod);
n->inhcount = 0;
n->is_local = true;
n->is_not_null = false;
n = makeColumnDef(NameStr(attr->attname), attr->atttypid,
attr->atttypmod, attr->attcollation);
n->is_from_type = true;
n->storage = 0;
n->raw_default = NULL;
n->cooked_default = NULL;
n->collClause = NULL;
n->collOid = attr->attcollation;
n->constraints = NIL;
n->location = -1;
cxt->columns = lappend(cxt->columns, n);
}
ReleaseTupleDesc(tupdesc);