Changeset: c406f25500ee for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/c406f25500ee
Modified Files:
sql/server/rel_optimize_sel.c
Branch: cmp-or-patterns
Log Message:
Re-introduce single col cmp_eq exps in the OR tree
diffs (43 lines):
diff --git a/sql/server/rel_optimize_sel.c b/sql/server/rel_optimize_sel.c
--- a/sql/server/rel_optimize_sel.c
+++ b/sql/server/rel_optimize_sel.c
@@ -525,6 +525,7 @@ exp_cmp_eq_unique_id(sql_exp *e)
}
typedef struct exp_eq_atoms {
+ sql_exp* first;
sql_exp* e;
list *l;
} ea;
@@ -556,10 +557,14 @@ detect_col_cmp_eqs(mvc *sql, list *eqs,
eas->l = append(eas->l, re);
found = col_multivalue_cmp_eq = true;
}
+ if (eas->first)
+ list_remove_data(eqs, NULL, eas->first);
+ list_remove_node(eqs, NULL, n);
}
if (!found) {
ea *eas = SA_NEW(sql->sa, ea);
+ eas->first = e;
eas->l = sa_list(sql->sa);
eas->l = append(eas->l, re);
eas->e = le;
@@ -807,6 +812,16 @@ merge_ors_NEW(mvc *sql, list *exps, int
}
}
+ if (list_length(eqs)) {
+ for (node *i = eqs->h; i; i = i->next) {
+ list *l = new_exp_list(sql->sa);
+ list *r = new_exp_list(sql->sa);
+ l = append(l, new);
+ r = append(r, (sql_exp*)i->data);
+ new = exp_or(sql->sa, l, r, 0);
+ }
+ }
+
if (mins) {
for (node *i = ((ins) ? mins->h :
mins->h->next); i; i = i->next) {
list *l = new_exp_list(sql->sa);
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