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/**
* Derby - Class org.apache.derbyTesting.functionTests.tests.lang.NestedCommitTest
*
* 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.
*/
package org.apache.derbyTesting.functionTests.tests.lang;
import java.sql.CallableStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import junit.framework.Test;
import org.apache.derbyTesting.junit.BaseJDBCTestCase;
import org.apache.derbyTesting.junit.JDBC;
import org.apache.derbyTesting.junit.TestConfiguration;
/**
* Test nested commit
*/
public final class NestedCommitTest extends BaseJDBCTestCase {
/**
* Public constructor required for running test as standalone JUnit.
* @param name test name
*/
public NestedCommitTest(String name)
{
super(name);
}
public static Test suite()
{
return TestConfiguration.defaultSuite(NestedCommitTest.class);
}
public void testNestedCommit() throws Exception
{
ResultSet rs;
CallableStatement cSt;
Statement st = createStatement();
String [][] expRS;
String [] expColNames;
st.getConnection().setHoldability(ResultSet.CLOSE_CURSORS_AT_COMMIT);
try {
// Make sure that we cannot do a commit/rollback on a nested
// connection when we are in the middle of something that has to be
// atomic (e.g. DML). commit/rollback on a nested connection is
// only permitted when we are doing something simple like CALL
// myMethod() or VALUES myMethod().
st.executeUpdate("CREATE PROCEDURE doConnCommit() "
+ " DYNAMIC RESULT SETS 0 LANGUAGE JAVA "
+ " EXTERNAL NAME "
+ "'org.apache.derbyTesting.functionTests.util.Triggers"
+ ".doConnCommit' "
+ " CONTAINS SQL"
+ " PARAMETER STYLE JAVA");
st.executeUpdate("CREATE PROCEDURE doConnRollback() "
+ " DYNAMIC RESULT SETS 0 LANGUAGE JAVA "
+ " EXTERNAL NAME "
+ "'org.apache.derbyTesting.functionTests.util.Triggers"
+ ".doConnRollback' "
+ " CONTAINS SQL"
+ " PARAMETER STYLE JAVA");
st.executeUpdate("CREATE PROCEDURE doConnStmt(IN TEXT CHAR(50)) "
+ " DYNAMIC RESULT SETS 0 LANGUAGE JAVA "
+ " EXTERNAL NAME "
+ "'org.apache.derbyTesting.functionTests.util.Triggers"
+ ".doConnStmt' "
+ " CONTAINS SQL"
+ " PARAMETER STYLE JAVA");
st.executeUpdate("CREATE FUNCTION doConnCommitInt() "
+ " RETURNS INT EXTERNAL NAME "
+ "'org.apache.derbyTesting.functionTests.util.Triggers"
+ ".doConnCommitInt' "
+ " LANGUAGE JAVA PARAMETER STYLE JAVA");
st.executeUpdate("CREATE FUNCTION doConnStmtInt(TEXT CHAR(50)) "
+ " RETURNS INT EXTERNAL NAME "
+ "'org.apache.derbyTesting.functionTests.util.Triggers"
+ ".doConnStmtInt' "
+ " LANGUAGE JAVA PARAMETER STYLE JAVA");
st.executeUpdate("create table x (x int)");
st.executeUpdate("insert into x values 1,2,3,4");
setAutoCommit(false);
// All the following calls should succeed
//
cSt = prepareCall("call doConnCommit()");
assertUpdateCount(cSt, 0);
cSt = prepareCall("call doConnRollback()");
assertUpdateCount(cSt, 0);
// No longer supported as language statements.
// call doConnStmt('commit'); call doConnStmt('rollback');
cSt = prepareCall("call doConnStmt('call doConnCommit()')");
assertUpdateCount(cSt, 0);
cSt = prepareCall("call doConnStmt('call doConnRollback()')");
assertUpdateCount(cSt, 0);
// call doConnStmt('call doConnStmt(''call
// doConnStmt(''''commit'''')'')');
rs = st.executeQuery("values doConnCommitInt()");
assertTrue(rs.next());
try {
rs.getString(1);
} catch (SQLException e) {
assertSQLState("XCL16", e);
}
// values doConnStmtInt('commit');
// values doConnStmtInt('rollback');
// values doConnStmtInt('call doConnStmt(
// ''call doConnStmt(''''commit'''')'')');
rs = st.executeQuery(
"values doConnStmtInt('values doConnCommitInt()')");
JDBC.assertFullResultSet(rs, new String [][]{{"1"}}, true);
// fail
assertStatementError(
"38000", st,
"insert into x select x+doConnCommitInt() from x");
assertStatementError(
"38000", st,
"delete from x where x in (select x+doConnCommitInt() from x)");
assertStatementError(
"38000", st,
"delete from x where x = doConnCommitInt()");
assertStatementError(
"38000", st,
"update x set x = doConnCommitInt()");
// insert into x values doConnStmtInt(
// 'call doConnStmt(''call doConnStmt(''''commit'''')'')');
// select doConnStmtInt('call doConnStmt(
// ''call doConnStmt(''''rollback'''')'')') from x;
assertStatementError(
"38000", st,
"select doConnStmtInt('call doConnStmt(" +
"''call doConnCommit()'')') from x");
cSt = prepareCall(
"call doConnStmt('set isolation serializable')");
assertUpdateCount(cSt, 0);
} finally {
// clean up
dontThrow(st, "drop table x");
dontThrow(st, "drop procedure doConnCommit");
dontThrow(st, "drop procedure doConnRollback");
dontThrow(st, "drop function doConnCommitInt");
dontThrow(st, "drop procedure doConnStmt");
dontThrow(st, "drop function doConnStmtInt");
commit();
}
}
private void dontThrow(Statement st, String stm) {
try {
st.executeUpdate(stm);
} catch (SQLException e) {
// ignore, best effort here
}
}
}
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