Changeset: 9db1cd2c9335 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=9db1cd2c9335
Modified Files:
sql/server/rel_unnest.c
sql/test/mergetables/Tests/sqlsmith-exists.stable.out
Branch: default
Log Message:
fixed push_up_join in combinations of semijoins with right outer joins
diffs (76 lines):
diff --git a/sql/server/rel_unnest.c b/sql/server/rel_unnest.c
--- a/sql/server/rel_unnest.c
+++ b/sql/server/rel_unnest.c
@@ -1082,24 +1082,29 @@ push_up_join(mvc *sql, sql_rel *rel, lis
if (ld && rd) {
node *m;
sql_rel *n, *nr, *nj;
+ list *inner_exps = exps_copy(sql, j->exps);
+ list *outer_exps = exps_copy(sql, rel->exps);
rel->r = rel_dup(jl);
+ rel->exps = sa_list(sql->sa);
nj = rel_crossproduct(sql->sa, rel_dup(d),
rel_dup(jr), j->op);
- nj->exps = exps_copy(sql, j->exps);
rel_destroy(j);
j = nj;
set_dependent(j);
n = rel_crossproduct(sql->sa, rel, j, j->op);
+ n->exps = outer_exps;
+ if (!n->exps)
+ n->exps = inner_exps;
+ else
+ n->exps = list_merge(n->exps,
inner_exps, (fdup)NULL);
j->op = rel->op;
if (is_semi(rel->op)) {
- //assert(!is_semi(rel->op));
j->op = op_left;
rel->op = op_left;
}
n->l = rel_project(sql->sa, n->l,
rel_projections(sql, n->l, NULL, 1, 1));
nr = n->r;
nr = n->r = rel_project(sql->sa, n->r,
is_semi(nr->op)?sa_list(sql->sa):rel_projections(sql, nr->r, NULL, 1, 1));
- move_join_exps(sql, n, j);
/* add nr->l exps with labels */
/* create jexps */
if (!n->exps)
diff --git a/sql/test/mergetables/Tests/sqlsmith-exists.stable.out
b/sql/test/mergetables/Tests/sqlsmith-exists.stable.out
--- a/sql/test/mergetables/Tests/sqlsmith-exists.stable.out
+++ b/sql/test/mergetables/Tests/sqlsmith-exists.stable.out
@@ -410,6 +410,36 @@ stdout of test 'sqlsmith-exists` in dire
% c0 # name
% int # type
% 1 # length
+#select
+# subq_1.c0 as c0
+#from
+# (select
+# case when ((false)
+# or (subq_0.c3 is not null))
+# and (true) then subq_0.c11 else subq_0.c11 end
+# as c0,
+# case when subq_0.c0 is null then subq_0.c5 else subq_0.c5 end
+# as c1,
+# subq_0.c6 as c2,
+# case when true then subq_0.c3 else subq_0.c3 end
+# as c3,
+# subq_0.c3 as c4,
+# subq_0.c0 as c5,
+# subq_0.c6 as c6,
+# subq_0.c3 as c7,
+# subq_0.c8 as c8,
+# 42 as c9,
+# subq_0.c6 as c10
+# from
+# (select
+# ref_0.col0 as c0,
+# 85 as c1,
+# ref_0.col1 as c2,
+# ref_0.col2 as c3,
+% . # table_name
+% c0 # name
+% int # type
+% 1 # length
#ROLLBACK;
# 19:56:32 >
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