/*
* Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.test.db;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import org.h2.test.TestBase;
/**
* Test DROP statement
*/
public class TestDrop extends TestBase {
private Connection conn;
private Statement stat;
/**
* Run just this test.
*
* @param a ignored
*/
public static void main(String... a) throws Exception {
TestBase.createCaller().init().test();
}
@Override
public void test() throws Exception {
deleteDb("drop");
conn = getConnection("drop");
stat = conn.createStatement();
testTableDependsOnView();
testComputedColumnDependency();
testInterSchemaDependency();
conn.close();
deleteDb("drop");
}
private void testTableDependsOnView() throws SQLException {
stat.execute("drop all objects");
stat.execute("create table a(x int)");
stat.execute("create view b as select * from a");
stat.execute("create table c(y int check (select count(*) from b) = 0)");
stat.execute("drop all objects");
}
private void testComputedColumnDependency() throws SQLException {
stat.execute("DROP ALL OBJECTS");
stat.execute("CREATE TABLE A (A INT);");
stat.execute("CREATE TABLE B (B INT AS SELECT A FROM A);");
stat.execute("DROP ALL OBJECTS");
stat.execute("CREATE SCHEMA TEST_SCHEMA");
stat.execute("CREATE TABLE TEST_SCHEMA.A (A INT);");
stat.execute("CREATE TABLE TEST_SCHEMA.B " +
"(B INT AS SELECT A FROM TEST_SCHEMA.A);");
stat.execute("DROP SCHEMA TEST_SCHEMA");
}
private void testInterSchemaDependency() throws SQLException {
stat.execute("drop all objects;");
stat.execute("create schema table_view");
stat.execute("set schema table_view");
stat.execute("create table test1 (id int, name varchar(20))");
stat.execute("create view test_view_1 as (select * from test1)");
stat.execute("set schema public");
stat.execute("create schema test_run");
stat.execute("set schema test_run");
stat.execute("create table test2 (id int, address varchar(20), " +
"constraint a_cons check (id in (select id from table_view.test1)))");
stat.execute("set schema public");
stat.execute("drop all objects");
}
}