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ij> --
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements. See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License. You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- minimal testing to verify no scans left open
CREATE FUNCTION ConsistencyChecker() RETURNS VARCHAR(128)
EXTERNAL NAME 'org.apache.derbyTesting.functionTests.util.T_ConsistencyChecker.runConsistencyChecker'
LANGUAGE JAVA PARAMETER STYLE JAVA;
0 rows inserted/updated/deleted
ij> autocommit off;
ij> autocommit off;
ij> create table t1(c1 int, c2 int);
0 rows inserted/updated/deleted
ij> -- do consistency check on scans, etc.
values ConsistencyChecker();
1
--------------------------------------------------------------------------------------------------------------------------------
No open scans, etc.
2 dependencies found
ij> insert into t1 values (1, 1);
1 row inserted/updated/deleted
ij> -- do consistency check on scans, etc.
values ConsistencyChecker();
1
--------------------------------------------------------------------------------------------------------------------------------
No open scans, etc.
2 dependencies found
ij> create index i1 on t1(c1);
0 rows inserted/updated/deleted
ij> -- do consistency check on scans, etc.
values ConsistencyChecker();
1
--------------------------------------------------------------------------------------------------------------------------------
No open scans, etc.
2 dependencies found
ij> create index i2 on t1(c2);
0 rows inserted/updated/deleted
ij> insert into t1 values (2, 2);
1 row inserted/updated/deleted
ij> -- do consistency check on scans, etc.
values ConsistencyChecker();
1
--------------------------------------------------------------------------------------------------------------------------------
No open scans, etc.
2 dependencies found
ij> -- scan heap
select * from t1;
C1 |C2
-----------------------
1 |1
2 |2
ij> -- scan covering index
select c1 from t1;
C1
-----------
1
2
ij> -- index to base row
select * from t1;
C1 |C2
-----------------------
1 |1
2 |2
ij> select * from t1 where c1 = 1;
C1 |C2
-----------------------
1 |1
ij> -- do consistency check on scans, etc.
values ConsistencyChecker();
1
--------------------------------------------------------------------------------------------------------------------------------
No open scans, etc.
2 dependencies found
ij> commit;
ij> -- test cursor which doesn't get drained
get cursor c1 as 'select c1 + c2 from t1 order by 1';
ij> next c1;
1
-----------
2
ij> close c1;
ij> -- do consistency check on scans, etc.
values ConsistencyChecker();
1
--------------------------------------------------------------------------------------------------------------------------------
No open scans, etc.
2 dependencies found
ij> commit;
ij>
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