sql_idx *
tr_find_idx( sql_trans *tr, sql_idx *i)
{
sql_idx *ni = NULL;
while ((!ni || !ni->data) && tr) {
sql_table *t = tr_find_table(tr, i->t);
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_table *t = tr_find_table(tr, c->t);
node *n = cs_find_id(&t->columns, c->base.id);
if (n)
nc = n->data;
tr = tr->parent;
}
return nc;
}
static BAT *
delta_cands(sql_trans *tr, sql_table *t)
{
sql_dbat *d;
BAT *tids;
if (!t->data) {
sql_table *ot = tr_find_table(tr->parent, t);
t->data = timestamp_dbat(ot->data, tr->stime);
}
d = t->data;
if (!store_initialized && d->cached)
return temp_descriptor(d->cached->batCacheid);
tids = _delta_cands(tr, t);
if (!store_initialized && !d->cached) /* only cache during catalog loading */
d->cached = temp_descriptor(tids->batCacheid);
return tids;
}
