Changeset: 5ad737dc2e27 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=5ad737dc2e27
Modified Files:
sql/server/rel_select.c
Branch: default
Log Message:
Small bugfix, at rel_values, set the cardinality to the relation columns as well
diffs (43 lines):
diff --git a/sql/server/rel_select.c b/sql/server/rel_select.c
--- a/sql/server/rel_select.c
+++ b/sql/server/rel_select.c
@@ -763,12 +763,12 @@ rel_values(sql_query *query, symbol *tab
sql_rel *r = NULL;
dlist *rowlist = tableref->data.lval;
symbol *optname = rowlist->t->data.sym;
- dnode *o;
node *m;
list *exps = sa_list(sql->sa);
exp_kind ek = {type_value, card_value, TRUE};
-
- for (o = rowlist->h; o; o = o->next) {
+ unsigned int card = dlist_length(rowlist) == 1 ? CARD_ATOM : CARD_MULTI;
+
+ for (dnode *o = rowlist->h; o; o = o->next) {
dlist *values = o->data.lval;
/* When performing sub-queries, the relation name appears under
a SQL_NAME symbol at the end of the list */
@@ -798,14 +798,19 @@ rel_values(sql_query *query, symbol *tab
}
}
}
- /* loop to check types */
- for (m = exps->h; m; m = m->next)
- if (!(m->data = exp_values_set_supertype(sql, (sql_exp*)
m->data, NULL)))
+ /* loop to check types and cardinality */
+ for (m = exps->h; m; m = m->next) {
+ sql_exp *e = m->data;
+
+ if (!(e = exp_values_set_supertype(sql, e, NULL)))
return NULL;
+ e->card = card;
+ m->data = e;
+ }
r = rel_project(sql->sa, NULL, exps);
r->nrcols = list_length(exps);
- r->card = dlist_length(rowlist) == 1 ? CARD_ATOM : CARD_MULTI;
+ r->card = card;
return rel_table_optname(sql, r, optname);
}
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