Changeset: 1ac2ec8544b3 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1ac2ec8544b3
Modified Files:
sql/server/rel_select.c
Branch: sq2
Log Message:
removed unused code
diffs (131 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
@@ -1719,67 +1719,6 @@ compare_aggr_op( char *compare, int quan
}
static sql_rel *
-rel_compare_selects(sql_query *query, sql_rel *rel, symbol *lo, symbol *ro,
char *compare_op,
- int f, exp_kind k, int quantifier, int need_not)
-{
- mvc *sql = query->sql;
- sql_exp *rs = NULL, *ls = NULL;
- exp_kind ek = {type_value, card_column, FALSE};
- sql_rel *l, *r;
- int ldependent = 0, rdependent = 0;
-
- assert(is_sql_where(f)); /* for now just where part */
- l = rel_subquery(query, NULL, lo, ek);
- if (!l && sql->session->status != -ERR_AMBIGUOUS) {
- /* reset error */
- sql->session->status = 0;
- sql->errstr[0] = 0;
- query_push_outer(query, rel, f);
- l = rel_subquery(query, NULL, lo, ek);
- if (l)
- set_subquery(l);
- rel = query_pop_outer(query);
- ldependent = 1;
- }
- r = rel_subquery(query, NULL, ro, ek);
- if (!r && sql->session->status != -ERR_AMBIGUOUS) {
- /* reset error */
- sql->session->status = 0;
- sql->errstr[0] = 0;
- query_push_outer(query, rel, f);
- r = rel_subquery(query, NULL, ro, ek);
- if (r)
- set_subquery(r);
- rel = query_pop_outer(query);
- rdependent = 1;
- }
- if (!l || !r)
- return NULL;
- ls = rel_lastexp(sql, l);
- rs = rel_lastexp(sql, r);
- if (rel) {
- r = rel_crossproduct(sql->sa, l, r, op_join);
- set_subquery(r);
- if (rel && is_left(rel->op)) {
- r = rel->r = rel_crossproduct(sql->sa, rel->r, r,
/*(!quantifier)?op_semi:*/op_join);
- if (rdependent)
- set_dependent(r);
- } else if (rel && is_right(rel->op)) {
- l = rel->l = rel_crossproduct(sql->sa, rel->l, r,
(!quantifier)?op_semi:op_join);
- if (ldependent)
- set_dependent(l);
- } else {
- rel = rel_crossproduct(sql->sa, rel, r,
(!quantifier)?op_semi:op_join);
- }
- } else {
- rel = rel_crossproduct(sql->sa, l, r,
(!quantifier)?op_semi:op_join);
- }
- if (rel && ldependent && rdependent)
- set_dependent(rel);
- return rel_compare_exp(query, rel, ls, rs, compare_op, NULL, k.reduce,
quantifier, need_not);
-}
-
-static sql_rel *
rel_compare(sql_query *query, sql_rel *rel, symbol *sc, symbol *lo, symbol
*ro, symbol *ro2,
char *compare_op, int f, exp_kind k, int quantifier)
{
@@ -1811,9 +1750,6 @@ rel_compare(sql_query *query, sql_rel *r
compare_op[1] = 0;
}
- if (0 && !ro2 && lo->token == SQL_SELECT && ro->token == SQL_SELECT)
- return rel_compare_selects(query, rel, lo, ro, compare_op, f,
k, quantifier, need_not);
-
if (!ro2 && lo->token == SQL_SELECT) { /* swap subquery to the right
hand side */
symbol *tmp = lo;
@@ -2084,9 +2020,6 @@ rel_in_value_exp(sql_query *query, sql_r
l_is_value=0;
}
ek.card = card_set;
- if (0 && l && is_aggr(l->type) && is_groupby(left->op)) {
- l = rel_project_add_exp(sql, left, l);
- }
/* For each r in values keep a list of vals/rels, union these groupby
(in/not in) etc */
if (n->type == type_list) {
@@ -3890,10 +3823,6 @@ rel_binop(sql_query *query, sql_rel **re
l = rel_value_exp(query, rel, dl->next->data.sym, f, iek);
left = *rel;
- if (0 && l && is_aggr(l->type) && is_groupby(left->op)) {
- l = rel_project_add_exp(sql, left, l);
- orel = left;
- }
r = rel_value_exp(query, rel, dl->next->next->data.sym, f, iek);
if (l && *rel && exp_card(l) > CARD_AGGR && rel_find_groupby(*rel)) {
if (l && exp_relname(l) && exp_name(l))
@@ -5564,18 +5493,7 @@ rel_value_exp2(sql_query *query, sql_rel
exp_setname(sql->sa, ne,
exp_relname(e), exp_name(e));
e = ne;
} else {
-#if 0
- if (is_sql_sel(f) && is_project(p->op)
&& !is_processed(p)) {
- if (p->l) {
- p->l =
rel_crossproduct(sql->sa, p->l, r, op_join);
- } else {
- p->l = r;
- }
- } else {
- *rel =
rel_crossproduct(sql->sa, p, r, is_sql_sel(f)?op_left:op_join);
- }
-#endif
- *rel =
rel_crossproduct(sql->sa, p, r, is_sql_sel(f)?op_left:op_join);
+ *rel = rel_crossproduct(sql->sa, p, r,
is_sql_sel(f)?op_left:op_join);
}
*is_last = 1;
return e;
@@ -5588,8 +5506,6 @@ rel_value_exp2(sql_query *query, sql_rel
if (e->l && e->r)
ne =
rel_bind_column2(sql, r, e->l, e->r, 0);
- else if (!e->l && e->r && /*
DISABLES CODE */ (0)) {
- ne =
rel_bind_column(sql, r, e->r, 0);
}
if (ne) {
e = ne;
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