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/**
* Derby - Class org.apache.derbyTesting.functionTests.tests.lang.TriggerBeforeTrigTest
*
* 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.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;
/**
* Consolidated BEFORE trigger tests from all trigger tests.
*
* The following tests moved from TriggerValidate.sql to
* "here" (i.e. to the earlier the harness version
* ("triggerBeforeTrig.sql) of this JUnit test.
*/
public final class TriggerBeforeTrigTest extends BaseJDBCTestCase {
public static final String LANG_COL_NOT_FOUND = "42X04";
public static final String LANG_TRIGGER_BAD_REF_MISMATCH = "42Y92";
public static final String LANG_TRIGGER_BAD_REF_CLAUSE_DUPS = "42Y93";
public static final String LANG_UNSUPPORTED_TRIGGER_STMT = "42Z9D";
public static final String LANG_SYNTAX_ERROR = "42X01";
/**
* Public constructor required for running test as standalone JUnit.
* @param name test name
*/
public TriggerBeforeTrigTest(String name)
{
super(name);
}
public static Test suite()
{
return TestConfiguration.defaultSuite(TriggerBeforeTrigTest.class);
}
public void testBeforeTriggers() throws Exception
{
ResultSet rs;
Statement st = createStatement();
try {
st.executeUpdate("create table x (x int, constraint ck check (x > 0))");
st.executeUpdate("create table unrelated (x int, constraint "
+ "ckunrelated check (x > 0))");
st.executeUpdate("create index x on x(x)");
//----------------------------------
// DDL
//----------------------------------
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement drop table x");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement drop index x");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement alter table x add column y int");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement alter table x add constraint ck2 "
+ "check(x > 0)");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement alter table x drop constraint ck");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement create index x2 on x (x)");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement create index xunrelated on unrelated(x)");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement drop index xunrelated");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement drop trigger tbad");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement "
+ " create trigger tbad2 NO CASCADE before insert on x "
+ "for each statement values 1");
st.executeUpdate("create trigger tokv1 NO CASCADE before insert on x "
+ "for each statement values 1");
st.executeUpdate("insert into x values 1");
rs = st.executeQuery("select * from x");
JDBC.assertFullResultSet(rs, new String [][]{{"1"}}, true);
st.executeUpdate("drop trigger tokv1");
//----------------------------------
// MISC
//----------------------------------
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement set isolation to rr");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger tbad NO CASCADE before insert on x "
+ "for each statement lock table x in share mode");
//----------------------------------
// DML, cannot perform
// dml on same table for before trigger, of for
// after
// ----------------------------------
// before
assertStatementError(LANG_UNSUPPORTED_TRIGGER_STMT, st,
"create trigger tbadX NO CASCADE before insert on x "
+ "for each statement insert into x values 1");
assertStatementError(LANG_UNSUPPORTED_TRIGGER_STMT, st,
"create trigger tbadX NO CASCADE before insert on x "
+ "for each statement delete from x");
assertStatementError(LANG_UNSUPPORTED_TRIGGER_STMT, st,
"create trigger tbadX NO CASCADE before insert on x "
+ "for each statement update x set x = x");
// Following tests moved here from triggerRefClause, since
// these use BEFORE triggers syntax
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing badtoken as oldtable for each row values 1");
assertStatementError(LANG_SYNTAX_ERROR, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing old as oldrow new for each row values 1");
// dup names
assertStatementError(LANG_TRIGGER_BAD_REF_CLAUSE_DUPS, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing old as oldrow new as newrow old as oldrow2 "
+ " for each row values 1");
assertStatementError(LANG_TRIGGER_BAD_REF_CLAUSE_DUPS, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing new as newrow new as newrow2 old as oldrow2 "
+ " for each row values 1");
// mismatch: row->for each statement, table->for each row
assertStatementError(LANG_TRIGGER_BAD_REF_MISMATCH, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing new_table as newtab for each row values 1");
assertStatementError(LANG_TRIGGER_BAD_REF_MISMATCH, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing new as newrow for each statement values 1");
// same as above, but using old
assertStatementError(LANG_TRIGGER_BAD_REF_MISMATCH, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing old_table as old for each row select * from old");
assertStatementError(LANG_TRIGGER_BAD_REF_MISMATCH, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing old_table as old for each statement values old.x");
// old and new cannot be used once they have been redefined
assertStatementError(LANG_TRIGGER_BAD_REF_MISMATCH, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing old_table as oldtable for each "
+ "statement select * from old");
assertStatementError(LANG_COL_NOT_FOUND, st,
"create trigger t1 NO CASCADE before update on x "
+ "referencing old as oldtable for each row values old.x");
// try some other likely uses
st.executeUpdate("create table y (x int)");
assertStatementError(LANG_UNSUPPORTED_TRIGGER_STMT, st,
"create trigger t1 NO CASCADE before insert on x "
+ "referencing new_table as newrowtab for each "
+ "statement insert into y select x from newrowtab");
} finally {
// cleanup
dontThrow(st, "drop table x");
dontThrow(st, "drop table y");
dontThrow(st, "drop table unrelated");
commit();
}
}
private void dontThrow(Statement st, String stm) {
try {
st.executeUpdate(stm);
} catch (SQLException e) {
// ignore, best effort here
println("\"" + stm+ "\" failed");
}
}
}
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