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Add INCLUDING CONSTRAINTS to CREATE TABLE LIKE.

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Greg Stark
This commit is contained in:
Bruce Momjian
2006-06-27 03:43:20 +00:00
parent 62f2693688
commit dc2c25fc62
12 changed files with 206 additions and 39 deletions
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59
src/backend/commands/tablecmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.186 2006/06/27 03:21:54 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.187 2006/06/27 03:43:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -159,7 +159,7 @@ typedef struct NewColumnValue
static void truncate_check_rel(Relation rel);
static List *MergeAttributes(List *schema, List *supers, bool istemp,
List **supOids, List **supconstr, int *supOidCount);
static bool change_varattnos_of_a_node(Node *node, const AttrNumber *newattno);
static bool change_varattnos_walker(Node *node, const AttrNumber *newattno);
static void StoreCatalogInheritance(Oid relationId, List *supers);
static int findAttrByName(const char *attributeName, List *schema);
static void setRelhassubclassInRelation(Oid relationId, bool relhassubclass);
@ -1106,14 +1106,59 @@ MergeAttributes(List *schema, List *supers, bool istemp,
}
/*
* complementary static functions for MergeAttributes().
*
* Varattnos of pg_constraint.conbin must be rewritten when subclasses inherit
* constraints from parent classes, since the inherited attributes could
* be given different column numbers in multiple-inheritance cases.
*
* Note that the passed node tree is modified in place!
*
* This function is used elsewhere such as in analyze.c
*
*/
void
change_varattnos_of_a_node(Node *node, const AttrNumber *newattno)
{
change_varattnos_walker(node, newattno);
}
/* Generate a map for change_varattnos_of_a_node from two tupledesc's. */
AttrNumber *
varattnos_map(TupleDesc old, TupleDesc new)
{
int i,j;
AttrNumber *attmap = palloc0(sizeof(AttrNumber)*old->natts);
for (i=1; i <= old->natts; i++) {
if (old->attrs[i-1]->attisdropped) {
attmap[i-1] = 0;
continue;
}
for (j=1; j<= new->natts; j++)
if (!strcmp(NameStr(old->attrs[i-1]->attname), NameStr(new->attrs[j-1]->attname)))
attmap[i-1] = j;
}
return attmap;
}
/* Generate a map for change_varattnos_of_a_node from a tupledesc and a list of
* ColumnDefs */
AttrNumber *
varattnos_map_schema(TupleDesc old, List *schema)
{
int i;
AttrNumber *attmap = palloc0(sizeof(AttrNumber)*old->natts);
for (i=1; i <= old->natts; i++) {
if (old->attrs[i-1]->attisdropped) {
attmap[i-1] = 0;
continue;
}
attmap[i-1] = findAttrByName(NameStr(old->attrs[i-1]->attname), schema);
}
return attmap;
}
static bool
change_varattnos_walker(Node *node, const AttrNumber *newattno)
{
@ -1140,12 +1185,6 @@ change_varattnos_walker(Node *node, const AttrNumber *newattno)
(void *) newattno);
}
static bool
change_varattnos_of_a_node(Node *node, const AttrNumber *newattno)
{
return change_varattnos_walker(node, newattno);
}
/*
* StoreCatalogInheritance
* Updates the system catalogs with proper inheritance information.