Changeset: 1bbdf0111cba for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/1bbdf0111cba
Modified Files:
sql/server/rel_select.c
sql/storage/store.c
sql/test/SQLancer/Tests/sqlancer22.test
Branch: default
Log Message:
Merged with Jan2022
diffs (255 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
@@ -2480,7 +2480,8 @@ rel_logical_value_exp(sql_query *query,
return NULL;
if (ek.card <= card_set && is_project(sq->op) &&
list_length(sq->exps) > 1)
return sql_error(sql, 02, SQLSTATE(42000) "SELECT:
subquery must return only one column");
- if (ek.card < card_set && sq->card >= CARD_AGGR &&
(is_sql_sel(f) | is_sql_having(f) | ( is_sql_where(f) && rel && (!*rel ||
is_basetable((*rel)->op) || is_simple_project((*rel)->op) ||
is_joinop((*rel)->op)))))
+ if (ek.card < card_set && sq->card >= CARD_AGGR &&
(is_sql_sel(f) | is_sql_having(f) | is_sql_farg(f) |
+ ( is_sql_where(f) && rel && (!*rel ||
is_basetable((*rel)->op) || is_simple_project((*rel)->op) ||
is_joinop((*rel)->op)))))
sq = rel_zero_or_one(sql, sq, ek);
return exp_rel(sql, sq);
}
diff --git a/sql/server/sql_mvc.c b/sql/server/sql_mvc.c
--- a/sql/server/sql_mvc.c
+++ b/sql/server/sql_mvc.c
@@ -630,7 +630,7 @@ mvc_rollback(mvc *m, int chain, const ch
if (name && name[0] != '\0') {
while (tr && (!tr->name || strcmp(tr->name, name) != 0))
tr = tr->parent;
- if (!tr) {
+ if (!tr || !tr->name || strcmp(tr->name, name) != 0) {
msg = createException(SQL, "sql.rollback",
SQLSTATE(42000) "ROLLBACK TO SAVEPOINT: no such savepoint: '%s'", name);
m->session->status = -1;
return msg;
@@ -642,14 +642,15 @@ mvc_rollback(mvc *m, int chain, const ch
tr->status = 1;
tr = sql_trans_destroy(tr);
}
- m->session->tr = tr; /* restart at savepoint */
- m->session->status = tr->status;
- if (tr->name) {
- _DELETE(tr->name);
- tr->name = NULL;
+ /* start a new transaction after rolling back */
+ if (!(m->session->tr = tr = sql_trans_create(m->store, tr,
name))) {
+ msg = createException(SQL, "sql.rollback",
SQLSTATE(HY013) "ROLLBACK TO SAVEPOINT: allocation failure while restarting
savepoint");
+ m->session->status = -1;
+ return msg;
}
- if (!(m->session->schema = find_sql_schema(m->session->tr,
m->session->schema_name))) {
- msg = createException(SQL, "sql.rollback",
SQLSTATE(40000) "ROLLBACK: finished successfully, but the session's schema
could not be found on the current transaction");
+ m->session->status = tr->parent->status;
+ if (!(m->session->schema = find_sql_schema(tr,
m->session->schema_name))) {
+ msg = createException(SQL, "sql.rollback",
SQLSTATE(40000) "ROLLBACK TO SAVEPOINT: finished successfully, but the
session's schema could not be found on the current transaction");
m->session->status = -1;
return msg;
}
@@ -691,12 +692,10 @@ mvc_rollback(mvc *m, int chain, const ch
str
mvc_release(mvc *m, const char *name)
{
- int ok = SQL_OK;
sql_trans *tr = m->session->tr;
str msg = MAL_SUCCEED;
- assert(tr);
- assert(m->session->tr->active); /* only release active transactions */
+ assert(tr && tr->active); /* only release active transactions */
TRC_DEBUG(SQL_TRANS, "Release: %s\n", (name) ? name : "");
@@ -708,20 +707,20 @@ mvc_release(mvc *m, const char *name)
while (tr && (!tr->name || strcmp(tr->name, name) != 0))
tr = tr->parent;
if (!tr || !tr->name || strcmp(tr->name, name) != 0) {
- msg = createException(SQL, "sql.release", SQLSTATE(42000)
"Release savepoint %s doesn't exist", name);
+ msg = createException(SQL, "sql.release", SQLSTATE(42000)
"RELEASE: no such savepoint: '%s'", name);
m->session->status = -1;
return msg;
}
tr = m->session->tr;
- while (ok == SQL_OK && (!tr->name || strcmp(tr->name, name) != 0)) {
+ while (!tr->name || strcmp(tr->name, name) != 0) {
/* commit all intermediate savepoints */
if (sql_trans_commit(tr) != SQL_OK)
GDKfatal("release savepoints should not fail");
tr = sql_trans_destroy(tr);
}
- _DELETE(tr->name);
- tr->name = NULL;
+ _DELETE(tr->name); /* name will no longer be used */
m->session->tr = tr;
+ m->session->status = tr->status;
if (!(m->session->schema = find_sql_schema(m->session->tr,
m->session->schema_name))) {
msg = createException(SQL, "sql.release", SQLSTATE(40000)
"RELEASE: finished successfully, but the session's schema could not be found on
the current transaction");
m->session->status = -1;
diff --git a/sql/storage/store.c b/sql/storage/store.c
--- a/sql/storage/store.c
+++ b/sql/storage/store.c
@@ -3697,10 +3697,7 @@ sql_trans_destroy(sql_trans *tr)
sql_trans *res = tr->parent;
TRC_DEBUG(SQL_STORE, "Destroy transaction: %p\n", tr);
- if (tr->name) {
- _DELETE(tr->name);
- tr->name = NULL;
- }
+ _DELETE(tr->name);
if (!list_empty(tr->changes))
sql_trans_rollback(tr, false);
sqlstore *store = tr->store;
@@ -3734,7 +3731,8 @@ sql_trans_create_(sqlstore *store, sql_t
sql_trans_destroy(tr);
return NULL;
}
- parent->name = SA_STRDUP(parent->sa, name);
+ _DELETE(parent->name);
+ parent->name = _STRDUP(name);
}
store_lock(store);
@@ -7007,9 +7005,9 @@ sql_trans_begin(sql_session *s)
(void) ATOMIC_INC(&store->nr_active);
list_append(store->active, s);
- s->status = 0;
TRC_DEBUG(SQL_STORE, "Exit sql_trans_begin for transaction: " ULLFMT
"\n", tr->tid);
store_unlock(store);
+ s->status = tr->status = 0;
return 0;
}
@@ -7024,6 +7022,7 @@ sql_trans_end(sql_session *s, int ok)
}
assert(s->tr->active);
s->tr->active = 0;
+ s->tr->status = 0;
s->auto_commit = s->ac_on_commit;
sqlstore *store = s->tr->store;
store_lock(store);
diff --git a/sql/test/SQLancer/Tests/sqlancer22.test
b/sql/test/SQLancer/Tests/sqlancer22.test
--- a/sql/test/SQLancer/Tests/sqlancer22.test
+++ b/sql/test/SQLancer/Tests/sqlancer22.test
@@ -80,18 +80,6 @@ select 1 from mct20 inner join (select x
on true and greatest(((select nort0.norc0) intersect (select true)), true)
----
-statement error GDK reported error: BATsubcross: more than one match
-select 1 from mct20 inner join (select x.x from (values (true)) x(x)) as
nort0(norc0)
-on true and greatest(((select nort0.norc0) union all (select true)), true)
-
-statement error GDK reported error: BATsubcross: more than one match
-select 1 from mct20 inner join (select x.x from (values (true)) x(x)) as
nort0(norc0)
-on ((select nort0.norc0) union all (select true))
-
-statement error GDK reported error: BATsubcross: more than one match
-select 1 from mct20 inner join (select x.x from (values (true)) x(x)) as
nort0(norc0)
-on true where ((select nort0.norc0) union all (select true))
-
# these are right
query I nosort
select rank() over (order by ((select mct20.c0) union all (select interval '1'
day))) from mct20
@@ -112,6 +100,21 @@ select max(((select mct20.c0) union all
statement ok rowcount 1
INSERT INTO mct20 VALUES (INTERVAL '1' DAY, DATE '2010-01-01')
+statement error GDK reported error: BATsubcross: more than one match
+select 1 from mct20 where ((select true) union all (select true))
+
+statement error GDK reported error: mergejoin: more than one match
+select 1 from mct20 inner join (select x.x from (values (true)) x(x)) as
nort0(norc0)
+on true and greatest(((select nort0.norc0) union all (select true)), true)
+
+statement error GDK reported error: mergejoin: more than one match
+select 1 from mct20 inner join (select x.x from (values (true)) x(x)) as
nort0(norc0)
+on ((select nort0.norc0) union all (select true))
+
+statement error GDK reported error: mergejoin: more than one match
+select 1 from mct20 inner join (select x.x from (values (true)) x(x)) as
nort0(norc0)
+on true where ((select nort0.norc0) union all (select true))
+
statement error GDK reported error: mergejoin: more than one match
select rank() over (order by ((select mct20.c0) union all (select interval '1'
day))) from mct20
----
diff --git a/sql/test/Tests/savepoints2.test b/sql/test/Tests/savepoints2.test
--- a/sql/test/Tests/savepoints2.test
+++ b/sql/test/Tests/savepoints2.test
@@ -81,3 +81,64 @@ select * from savepointtest
statement error
commit
+statement ok
+start transaction
+
+statement ok
+create table x(x int)
+
+statement ok rowcount 1
+insert into x values (1)
+
+query I rowsort
+SELECT x FROM x
+----
+1
+
+statement ok
+savepoint sp1
+
+statement ok rowcount 1
+insert into x values (2)
+
+query I rowsort
+SELECT x FROM x
+----
+1
+2
+
+# give one error
+statement error
+ups
+
+statement ok
+rollback to savepoint sp1
+
+query I rowsort
+SELECT x FROM x
+----
+1
+
+statement ok rowcount 1
+insert into x values (3)
+
+query I rowsort
+SELECT x FROM x
+----
+1
+3
+
+# give another error
+statement error
+mistake
+
+statement ok
+rollback to savepoint sp1
+
+query I rowsort
+SELECT x FROM x
+----
+1
+
+statement ok
+rollback
diff --git a/sql/test/transactions/Tests/transaction_isolation5.SQL.py
b/sql/test/transactions/Tests/transaction_isolation5.SQL.py
--- a/sql/test/transactions/Tests/transaction_isolation5.SQL.py
+++ b/sql/test/transactions/Tests/transaction_isolation5.SQL.py
@@ -6,7 +6,7 @@ with SQLTestCase() as mdb1:
mdb1.execute('SAVEPOINT mys;').assertSucceeded()
mdb1.execute('CREATE SCHEMA ups;').assertSucceeded()
mdb1.execute('SET SCHEMA ups;').assertSucceeded()
- mdb1.execute('ROLLBACK TO SAVEPOINT mys;').assertFailed(err_code="40000",
err_message="ROLLBACK: finished successfully, but the session's schema could
not be found on the current transaction")
+ mdb1.execute('ROLLBACK TO SAVEPOINT mys;').assertFailed(err_code="40000",
err_message="ROLLBACK TO SAVEPOINT: finished successfully, but the session's
schema could not be found on the current transaction")
mdb1.execute('rollback;').assertFailed()
with SQLTestCase() as mdb1:
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