sql_table *
tr_find_table( sql_trans *tr, sql_table *t)
{
sql_table *nt = NULL;
while ((!nt || !nt->data) && tr) {
sql_schema *s = tr_find_schema( tr, t->s);
nt = find_sql_table_id(s, t->base.id);
tr = tr->parent;
}
return nt;
}
sql_idx *
tr_find_idx( sql_trans *tr, sql_idx *i)
{
sql_idx *ni = NULL;
while ((!ni || !ni->data) && tr) {
sql_schema *s = tr_find_schema( tr, i->t->s);
sql_table *t = find_sql_table_id(s, i->t->base.id);
node *n = cs_find_id(&t->idxs, i->base.id);
if (n)
ni = n->data;
tr = tr->parent;
}
return ni;
}
sql_column *
tr_find_column( sql_trans *tr, sql_column *c)
{
sql_column *nc = NULL;
while ((!nc || !nc->data) && tr) {
sql_schema *s = tr_find_schema( tr, c->t->s);
sql_table *t = find_sql_table_id(s, c->t->base.id);
node *n = cs_find_id(&t->columns, c->base.id);
if (n)
nc = n->data;
tr = tr->parent;
}
return nc;
}
sql_table *
tr_find_table( sql_trans *tr, sql_table *t)
{
sql_table *nt = NULL;
while ((!nt || !nt->data) && tr) {
sql_schema *s = tr_find_schema( tr, t->s);
if (list_length(s->tables.set) < HASH_MIN_SIZE)
nt = find_sql_table_id(s, t->base.id);
else
nt = find_sql_table(s, t->base.name);
assert(nt->base.id == t->base.id);
tr = tr->parent;
}
return nt;
}
