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Posted to commits@metamodel.apache.org by ka...@apache.org on 2013/07/22 10:10:17 UTC

[04/64] [partial] Hard rename of all 'org/eobjects' folders to 'org/apache'.

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/MysqlQueryRewriter.java
----------------------------------------------------------------------
diff --git a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/MysqlQueryRewriter.java b/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/MysqlQueryRewriter.java
deleted file mode 100644
index 88757be..0000000
--- a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/MysqlQueryRewriter.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/**
- * 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.eobjects.metamodel.jdbc.dialects;
-
-import org.eobjects.metamodel.jdbc.JdbcDataContext;
-
-/**
- * Query rewriter for MySQL
- */
-public class MysqlQueryRewriter extends LimitOffsetQueryRewriter implements IQueryRewriter {
-
-    public MysqlQueryRewriter(JdbcDataContext dataContext) {
-        super(dataContext);
-    }
-
-    @Override
-    public String escapeQuotes(String filterItemOperand) {
-        return filterItemOperand.replaceAll("\\'", "\\\\'");
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/PostgresqlQueryRewriter.java
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diff --git a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/PostgresqlQueryRewriter.java b/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/PostgresqlQueryRewriter.java
deleted file mode 100644
index d303c50..0000000
--- a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/PostgresqlQueryRewriter.java
+++ /dev/null
@@ -1,70 +0,0 @@
-/**
- * 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.eobjects.metamodel.jdbc.dialects;
-
-import org.eobjects.metamodel.jdbc.JdbcDataContext;
-import org.eobjects.metamodel.query.FromItem;
-import org.eobjects.metamodel.query.Query;
-import org.eobjects.metamodel.schema.ColumnType;
-import org.eobjects.metamodel.schema.Schema;
-import org.eobjects.metamodel.schema.Table;
-
-/**
- * Query rewriter for PostgreSQL
- */
-public class PostgresqlQueryRewriter extends LimitOffsetQueryRewriter implements IQueryRewriter {
-
-    public PostgresqlQueryRewriter(JdbcDataContext dataContext) {
-        super(dataContext);
-    }
-
-    @Override
-    public ColumnType getColumnType(int jdbcType, String nativeType, Integer columnSize) {
-        if ("bool".equals(nativeType)) {
-            // override the normal behaviour of postgresql which maps "bool" to
-            // a BIT.
-            return ColumnType.BOOLEAN;
-        }
-        return super.getColumnType(jdbcType, nativeType, columnSize);
-    }
-
-    @Override
-    public String rewriteColumnType(ColumnType columnType) {
-        if (columnType == ColumnType.BLOB) {
-            return "bytea";
-        }
-        return super.rewriteColumnType(columnType);
-    }
-
-    @Override
-    protected String rewriteFromItem(Query query, FromItem item) {
-        String result = super.rewriteFromItem(query, item);
-        Table table = item.getTable();
-        if (table != null) {
-            Schema schema = table.getSchema();
-            if (schema != null) {
-                String schemaName = schema.getName();
-                if (schemaName != null) {
-                    result = result.replaceFirst(schemaName, '\"' + schema.getName() + '\"');
-                }
-            }
-        }
-        return result;
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/SQLServerQueryRewriter.java
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diff --git a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/SQLServerQueryRewriter.java b/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/SQLServerQueryRewriter.java
deleted file mode 100644
index 732ec34..0000000
--- a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/dialects/SQLServerQueryRewriter.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/**
- * 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.eobjects.metamodel.jdbc.dialects;
-
-import org.eobjects.metamodel.jdbc.JdbcDataContext;
-import org.eobjects.metamodel.query.Query;
-import org.eobjects.metamodel.query.SelectClause;
-
-public class SQLServerQueryRewriter extends DefaultQueryRewriter {
-
-	public SQLServerQueryRewriter(JdbcDataContext dataContext) {
-		super(dataContext);
-	}
-
-	@Override
-	public boolean isMaxRowsSupported() {
-		return true;
-	}
-
-	/**
-	 * SQL server expects the fully qualified column name, including schema, in
-	 * select items.
-	 */
-	@Override
-	public boolean isSchemaIncludedInColumnPaths() {
-		return true;
-	}
-
-	@Override
-	protected String rewriteSelectClause(Query query, SelectClause selectClause) {
-		String result = super.rewriteSelectClause(query, selectClause);
-
-		Integer maxRows = query.getMaxRows();
-		if (maxRows != null) {
-			result = "SELECT TOP " + maxRows + " " + result.substring(7);
-		}
-
-		return result;
-	}
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/package-info.java
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diff --git a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/package-info.java b/jdbc/src/main/java/org/eobjects/metamodel/jdbc/package-info.java
deleted file mode 100644
index b7a311b..0000000
--- a/jdbc/src/main/java/org/eobjects/metamodel/jdbc/package-info.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * 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.
- */
-/**
- * Module package for JDBC compliant databases
- */
-package org.eobjects.metamodel.jdbc;
-

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/test/integrationtests/org/apache/metamodel/DB2Test.java
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diff --git a/jdbc/src/test/integrationtests/org/apache/metamodel/DB2Test.java b/jdbc/src/test/integrationtests/org/apache/metamodel/DB2Test.java
new file mode 100644
index 0000000..13cc501
--- /dev/null
+++ b/jdbc/src/test/integrationtests/org/apache/metamodel/DB2Test.java
@@ -0,0 +1,107 @@
+package org.eobjects.metamodel;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.util.Arrays;
+
+import junit.framework.TestCase;
+
+import org.eobjects.metamodel.data.DataSet;
+import org.eobjects.metamodel.jdbc.JdbcDataContext;
+import org.eobjects.metamodel.jdbc.JdbcTestTemplates;
+import org.eobjects.metamodel.query.Query;
+import org.eobjects.metamodel.schema.Schema;
+import org.eobjects.metamodel.schema.Table;
+
+/**
+ * DB2 integration test. This is a read-only integration test, meant to be
+ * modified for whatever server is available (even within Human Inference).
+ */
+public class DB2Test extends TestCase {
+
+    private static final String URL = "jdbc:db2://TODO:50000/TODO";
+
+    private static final String USERNAME = "TODO";
+    private static final String PASSWORD = "TODO";
+    private Connection _connection;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        Class.forName("com.ibm.db2.jcc.DB2Driver");
+        _connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        super.tearDown();
+        _connection.close();
+    }
+    
+    
+    public void testInterpretationOfNull() throws Exception {
+        JdbcTestTemplates.interpretationOfNulls(_connection);
+    }
+
+    public void testDefaultSchema() throws Exception {
+        JdbcDataContext dc = new JdbcDataContext(_connection);
+        Schema schema = dc.getDefaultSchema();
+        assertEquals(USERNAME.toUpperCase(), schema.getName());
+
+        Table countryTable = schema.getTableByName("COUNTRY");
+        assertNotNull(countryTable);
+
+        DataSet ds = dc.query().from(countryTable).selectCount().execute();
+        assertTrue(ds.next());
+        assertEquals("Row[values=[1008]]", ds.getRow().toString());
+        assertFalse(ds.next());
+        ds.close();
+    }
+
+    public void testMaxRowsOnly() throws Exception {
+        JdbcDataContext dc = new JdbcDataContext(_connection);
+        Schema schema = dc.getDefaultSchema();
+        String[] tableNames = schema.getTableNames();
+        System.out.println("Tables: " + Arrays.toString(tableNames));
+
+        Table countryTable = schema.getTableByName("COUNTRY");
+        assertNotNull(countryTable);
+
+        Query query = dc.query().from(countryTable).select("COUNTRYCODE").limit(200).toQuery();
+        assertEquals("SELECT DB2INST1.\"COUNTRY\".\"COUNTRYCODE\" FROM DB2INST1.\"COUNTRY\" "
+                + "FETCH FIRST 200 ROWS ONLY", dc.getQueryRewriter().rewriteQuery(query));
+
+        DataSet ds = dc.executeQuery(query);
+        for (int i = 0; i < 200; i++) {
+            assertTrue(ds.next());
+            assertEquals(1, ds.getRow().getValues().length);
+        }
+        assertFalse(ds.next());
+        ds.close();
+    }
+
+    public void testMaxRowsAndOffset() throws Exception {
+        JdbcDataContext dc = new JdbcDataContext(_connection);
+        Schema schema = dc.getDefaultSchema();
+        String[] tableNames = schema.getTableNames();
+        System.out.println("Tables: " + Arrays.toString(tableNames));
+
+        Table countryTable = schema.getTableByName("COUNTRY");
+        assertNotNull(countryTable);
+
+        Query query = dc.query().from(countryTable).select("COUNTRYCODE").limit(200).offset(200).toQuery();
+        assertEquals(
+                "SELECT metamodel_subquery.\"COUNTRYCODE\" FROM ("
+                        + "SELECT DB2INST1.\"COUNTRY\".\"COUNTRYCODE\", ROW_NUMBER() OVER() AS metamodel_row_number FROM DB2INST1.\"COUNTRY\""
+                        + ") metamodel_subquery WHERE metamodel_row_number BETWEEN 201 AND 400", dc.getQueryRewriter()
+                        .rewriteQuery(query));
+
+        DataSet ds = dc.executeQuery(query);
+        for (int i = 0; i < 200; i++) {
+            assertTrue(ds.next());
+            assertEquals(1, ds.getRow().getValues().length);
+        }
+        assertFalse(ds.next());
+        ds.close();
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/test/integrationtests/org/apache/metamodel/FirebirdTest.java
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diff --git a/jdbc/src/test/integrationtests/org/apache/metamodel/FirebirdTest.java b/jdbc/src/test/integrationtests/org/apache/metamodel/FirebirdTest.java
new file mode 100644
index 0000000..ec1ba32
--- /dev/null
+++ b/jdbc/src/test/integrationtests/org/apache/metamodel/FirebirdTest.java
@@ -0,0 +1,115 @@
+package org.eobjects.metamodel;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.Date;
+
+import javax.swing.table.TableModel;
+
+import junit.framework.TestCase;
+
+import org.eobjects.metamodel.data.DataSet;
+import org.eobjects.metamodel.data.DataSetTableModel;
+import org.eobjects.metamodel.jdbc.JdbcDataContext;
+import org.eobjects.metamodel.query.FromItem;
+import org.eobjects.metamodel.query.JoinType;
+import org.eobjects.metamodel.query.Query;
+import org.eobjects.metamodel.query.SelectItem;
+import org.eobjects.metamodel.schema.Schema;
+import org.eobjects.metamodel.schema.Table;
+
+/**
+ * Integrationtests for Firebird SQL.
+ * 
+ * This test uses the "employee" sampledata shipped with Firebird. The JDBC
+ * driver ("jaybird") is not available in the Maven repository so you will have
+ * to download and attach it to the eclipse project yourself.
+ * 
+ * @see http://www.firebirdsql.org/manual/qsg10-connecting.html
+ * @see http://www.firebirdsql.org/index.php?op=files&id=jaybird
+ */
+public class FirebirdTest extends TestCase {
+
+	private static final String CONNECTION_STRING = "jdbc:firebirdsql:127.0.0.1:employee.fdb";
+	private static final String USERNAME = "SYSDBA";
+	private static final String PASSWORD = "eobjects";
+	private Connection _connection;
+	private DataContext _dataContext;
+
+	@Override
+	protected void setUp() throws Exception {
+		super.setUp();
+		Class.forName("org.firebirdsql.jdbc.FBDriver");
+		_connection = DriverManager.getConnection(CONNECTION_STRING, USERNAME, PASSWORD);
+		_connection.setReadOnly(true);
+		_dataContext = new JdbcDataContext(_connection);
+	}
+
+	@Override
+	protected void tearDown() throws Exception {
+		super.tearDown();
+		_connection.close();
+	}
+
+	public void testGetSchemas() throws Exception {
+		Schema[] schemas = _dataContext.getSchemas();
+		assertEquals(1, schemas.length);
+		Schema schema = _dataContext.getDefaultSchema();
+		assertEquals("{JdbcTable[name=COUNTRY,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=CUSTOMER,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=DEPARTMENT,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=EMPLOYEE,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=EMPLOYEE_PROJECT,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=JOB,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=PHONE_LIST,type=VIEW,remarks=<null>],"
+				+ "JdbcTable[name=PROJECT,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=PROJ_DEPT_BUDGET,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=SALARY_HISTORY,type=TABLE,remarks=<null>],"
+				+ "JdbcTable[name=SALES,type=TABLE,remarks=<null>]}", Arrays.toString(schema.getTables()));
+
+		assertEquals(
+				"{Relationship[primaryTable=COUNTRY,primaryColumns={COUNTRY},foreignTable=CUSTOMER,foreignColumns={COUNTRY}],"
+						+ "Relationship[primaryTable=COUNTRY,primaryColumns={COUNTRY},foreignTable=JOB,foreignColumns={JOB_COUNTRY}],"
+						+ "Relationship[primaryTable=CUSTOMER,primaryColumns={CUST_NO},foreignTable=SALES,foreignColumns={CUST_NO}],"
+						+ "Relationship[primaryTable=DEPARTMENT,primaryColumns={DEPT_NO},foreignTable=DEPARTMENT,foreignColumns={HEAD_DEPT}],"
+						+ "Relationship[primaryTable=DEPARTMENT,primaryColumns={DEPT_NO},foreignTable=EMPLOYEE,foreignColumns={DEPT_NO}],"
+						+ "Relationship[primaryTable=DEPARTMENT,primaryColumns={DEPT_NO},foreignTable=PROJ_DEPT_BUDGET,foreignColumns={DEPT_NO}],"
+						+ "Relationship[primaryTable=EMPLOYEE,primaryColumns={EMP_NO},foreignTable=DEPARTMENT,foreignColumns={MNGR_NO}],"
+						+ "Relationship[primaryTable=EMPLOYEE,primaryColumns={EMP_NO},foreignTable=EMPLOYEE_PROJECT,foreignColumns={EMP_NO}],"
+						+ "Relationship[primaryTable=EMPLOYEE,primaryColumns={EMP_NO},foreignTable=PROJECT,foreignColumns={TEAM_LEADER}],"
+						+ "Relationship[primaryTable=EMPLOYEE,primaryColumns={EMP_NO},foreignTable=SALARY_HISTORY,foreignColumns={EMP_NO}],"
+						+ "Relationship[primaryTable=EMPLOYEE,primaryColumns={EMP_NO},foreignTable=SALES,foreignColumns={SALES_REP}],"
+						+ "Relationship[primaryTable=JOB,primaryColumns={JOB_CODE},foreignTable=EMPLOYEE,foreignColumns={JOB_CODE}],"
+						+ "Relationship[primaryTable=JOB,primaryColumns={JOB_GRADE},foreignTable=EMPLOYEE,foreignColumns={JOB_GRADE}],"
+						+ "Relationship[primaryTable=JOB,primaryColumns={JOB_COUNTRY},foreignTable=EMPLOYEE,foreignColumns={JOB_COUNTRY}],"
+						+ "Relationship[primaryTable=PROJECT,primaryColumns={PROJ_ID},foreignTable=EMPLOYEE_PROJECT,foreignColumns={PROJ_ID}],"
+						+ "Relationship[primaryTable=PROJECT,primaryColumns={PROJ_ID},foreignTable=PROJ_DEPT_BUDGET,foreignColumns={PROJ_ID}]}",
+				Arrays.toString(schema.getRelationships()));
+	}
+
+	public void testExecuteQuery() throws Exception {
+		Schema schema = _dataContext.getDefaultSchema();
+		Table departmentTable = schema.getTableByName("DEPARTMENT");
+		Table employeeTable = schema.getTableByName("EMPLOYEE");
+		Query q = new Query().from(new FromItem(JoinType.INNER, departmentTable.getRelationships(employeeTable)[0]));
+		q.select(departmentTable.getColumns()[1]);
+		q.select(new SelectItem(employeeTable.getColumns()[4]).setAlias("hire-date"));
+		assertEquals(
+				"SELECT \"DEPARTMENT\".\"DEPARTMENT\", \"EMPLOYEE\".\"HIRE_DATE\" AS hire-date FROM \"EMPLOYEE\" INNER JOIN \"DEPARTMENT\" ON \"EMPLOYEE\".\"EMP_NO\" = \"DEPARTMENT\".\"MNGR_NO\"",
+				q.toString());
+
+		DataSet data = _dataContext.executeQuery(q);
+		assertNotNull(data);
+
+		TableModel tableModel = new DataSetTableModel(data);
+		assertEquals(2, tableModel.getColumnCount());
+		assertEquals(17, tableModel.getRowCount());
+		assertEquals("Quality Assurance", tableModel.getValueAt(4, 0).toString());
+
+		Date date = (Date) tableModel.getValueAt(4, 1);
+		assertEquals("1989-04-17 00:00:00.000000", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSSSS").format(date));
+
+	}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/test/integrationtests/org/apache/metamodel/MysqlTest.java
----------------------------------------------------------------------
diff --git a/jdbc/src/test/integrationtests/org/apache/metamodel/MysqlTest.java b/jdbc/src/test/integrationtests/org/apache/metamodel/MysqlTest.java
new file mode 100644
index 0000000..4bd814d
--- /dev/null
+++ b/jdbc/src/test/integrationtests/org/apache/metamodel/MysqlTest.java
@@ -0,0 +1,334 @@
+package org.eobjects.metamodel;
+
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.swing.table.TableModel;
+
+import junit.framework.TestCase;
+
+import org.eobjects.metamodel.data.DataSet;
+import org.eobjects.metamodel.data.DataSetTableModel;
+import org.eobjects.metamodel.jdbc.JdbcDataContext;
+import org.eobjects.metamodel.jdbc.JdbcTestTemplates;
+import org.eobjects.metamodel.jdbc.QuerySplitter;
+import org.eobjects.metamodel.jdbc.dialects.MysqlQueryRewriter;
+import org.eobjects.metamodel.query.FilterItem;
+import org.eobjects.metamodel.query.FromItem;
+import org.eobjects.metamodel.query.OperatorType;
+import org.eobjects.metamodel.query.Query;
+import org.eobjects.metamodel.schema.Column;
+import org.eobjects.metamodel.schema.ColumnType;
+import org.eobjects.metamodel.schema.Schema;
+import org.eobjects.metamodel.schema.Table;
+import org.eobjects.metamodel.schema.TableType;
+
+/**
+ * Test case that tests mysql interaction. The test requires the "sakila" sample
+ * database that can be found at dev.mysql.com.
+ * 
+ * @see http://dev.mysql.com/doc/sakila/en/sakila.html#sakila-installation
+ */
+public class MysqlTest extends TestCase {
+
+	private static final String CONNECTION_STRING = "jdbc:mysql://localhost/sakila?defaultFetchSize=" + Integer.MIN_VALUE;
+	private static final String USERNAME = "eobjects";
+	private static final String PASSWORD = "eobjects";
+	private Connection _connection;
+
+	@Override
+	protected void setUp() throws Exception {
+		super.setUp();
+		Class.forName("com.mysql.jdbc.Driver");
+		_connection = DriverManager.getConnection(CONNECTION_STRING, USERNAME, PASSWORD);
+	}
+	
+    public void testInterpretationOfNull() throws Exception {
+        JdbcTestTemplates.interpretationOfNulls(_connection);
+    }
+
+	public void testDatabaseProductName() throws Exception {
+		String databaseProductName = _connection.getMetaData().getDatabaseProductName();
+		assertEquals(JdbcDataContext.DATABASE_PRODUCT_MYSQL, databaseProductName);
+	}
+
+	public void testAutomaticConversionWhenInsertingString() throws Exception {
+		assertNotNull(_connection);
+
+		Statement st = _connection.createStatement();
+		try {
+			// clean up, if nescesary
+			st.execute("DROP TABLE test_table");
+			st.close();
+		} catch (SQLException e) {
+			// do nothing
+		}
+
+		assertFalse(_connection.isReadOnly());
+
+		JdbcDataContext dc = new JdbcDataContext(_connection);
+		final Schema schema = dc.getDefaultSchema();
+		assertEquals("sakila", schema.getName());
+
+		dc.executeUpdate(new UpdateScript() {
+			@Override
+			public void run(UpdateCallback cb) {
+				Table table = cb.createTable(schema, "test_table").withColumn("id").ofType(ColumnType.INTEGER)
+						.asPrimaryKey().withColumn("birthdate").ofType(ColumnType.DATE).execute();
+
+				cb.insertInto(table).value("id", "1").execute();
+				cb.insertInto(table).value("id", 2).value("birthdate", "2011-12-21").execute();
+			}
+		});
+
+		assertTrue(dc.getColumnByQualifiedLabel("test_table.id").isPrimaryKey());
+		assertFalse(dc.getColumnByQualifiedLabel("test_table.birthdate").isPrimaryKey());
+
+		DataSet ds = dc.query().from("test_table").select("id").and("birthdate").execute();
+		assertTrue(ds.next());
+		assertEquals("Row[values=[1, null]]", ds.getRow().toString());
+		assertEquals("java.lang.Integer", ds.getRow().getValue(0).getClass().getName());
+		assertTrue(ds.next());
+		assertEquals("Row[values=[2, 2011-12-21]]", ds.getRow().toString());
+		assertEquals("java.sql.Date", ds.getRow().getValue(1).getClass().getName());
+		assertFalse(ds.next());
+		ds.close();
+
+		dc.executeUpdate(new UpdateScript() {
+			@Override
+			public void run(UpdateCallback callback) {
+				callback.dropTable("test_table").execute();
+			}
+		});
+	}
+	
+	public void testCharOfSizeOne() throws Exception {
+		JdbcTestTemplates.meaningOfOneSizeChar(_connection);
+	}
+
+	public void testAlternativeConnectionString() throws Exception {
+		_connection = DriverManager.getConnection("jdbc:mysql://localhost", USERNAME, PASSWORD);
+		DataContext dc = new JdbcDataContext(_connection, TableType.DEFAULT_TABLE_TYPES, "sakila");
+		Schema[] schemas = dc.getSchemas();
+		assertEquals("[Schema[name=mysql], Schema[name=performance_schema], Schema[name=portal], "
+				+ "Schema[name=sakila], Schema[name=world]]", Arrays.toString(schemas));
+
+		Table table = dc.getSchemaByName("sakila").getTableByName("film");
+		Query q = new Query().from(table).select(table.getColumns());
+		DataSet data = dc.executeQuery(q);
+		TableModel tableModel = new DataSetTableModel(data);
+		assertEquals(13, tableModel.getColumnCount());
+		assertEquals(1000, tableModel.getRowCount());
+	}
+
+	@Override
+	protected void tearDown() throws Exception {
+		super.tearDown();
+		_connection.close();
+	}
+
+	public void testGetCatalogNames() throws Exception {
+		JdbcDataContext strategy = new JdbcDataContext(_connection);
+		assertTrue(strategy.getQueryRewriter() instanceof MysqlQueryRewriter);
+		String[] catalogNames = strategy.getCatalogNames();
+		assertEquals("[information_schema, mysql, performance_schema, portal, sakila, world]",
+				Arrays.toString(catalogNames));
+	}
+
+	public void testGetDefaultSchema() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection);
+		Schema schema = dc.getDefaultSchema();
+		assertEquals("sakila", schema.getName());
+	}
+
+	public void testExecuteQuery() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection);
+		Schema schema = dc.getDefaultSchema();
+		Table actorTable = schema.getTableByName("actor");
+		assertEquals(
+				"[Column[name=actor_id,columnNumber=0,type=SMALLINT,nullable=false,nativeType=SMALLINT UNSIGNED,columnSize=5], Column[name=first_name,columnNumber=1,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=45], Column[name=last_name,columnNumber=2,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=45], Column[name=last_update,columnNumber=3,type=TIMESTAMP,nullable=false,nativeType=TIMESTAMP,columnSize=19]]",
+				Arrays.toString(actorTable.getColumns()));
+		Table filmTable = schema.getTableByName("film");
+		assertEquals(
+				"[Column[name=film_id,columnNumber=0,type=SMALLINT,nullable=false,nativeType=SMALLINT UNSIGNED,columnSize=5], Column[name=title,columnNumber=1,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=255], Column[name=description,columnNumber=2,type=LONGVARCHAR,nullable=true,nativeType=TEXT,columnSize=65535], Column[name=release_year,columnNumber=3,type=DATE,nullable=true,nativeType=YEAR,columnSize=0], Column[name=language_id,columnNumber=4,type=TINYINT,nullable=false,nativeType=TINYINT UNSIGNED,columnSize=3], Column[name=original_language_id,columnNumber=5,type=TINYINT,nullable=true,nativeType=TINYINT UNSIGNED,columnSize=3], Column[name=rental_duration,columnNumber=6,type=TINYINT,nullable=false,nativeType=TINYINT UNSIGNED,columnSize=3], Column[name=rental_rate,columnNumber=7,type=DECIMAL,nullable=false,nativeType=DECIMAL,columnSize=4], Column[name=length,columnNumber=8,type=SMALLINT,nullable=true,nativeType=SMALLINT UNSIGNED,columnSize=5], Column[name=replacement_cost,columnNu
 mber=9,type=DECIMAL,nullable=false,nativeType=DECIMAL,columnSize=5], Column[name=rating,columnNumber=10,type=CHAR,nullable=true,nativeType=ENUM,columnSize=5], Column[name=special_features,columnNumber=11,type=CHAR,nullable=true,nativeType=SET,columnSize=54], Column[name=last_update,columnNumber=12,type=TIMESTAMP,nullable=false,nativeType=TIMESTAMP,columnSize=19]]",
+				Arrays.toString(filmTable.getColumns()));
+		Table filmActorJoinTable = schema.getTableByName("film_actor");
+		assertEquals(
+				"[Column[name=actor_id,columnNumber=0,type=SMALLINT,nullable=false,nativeType=SMALLINT UNSIGNED,columnSize=5], "
+						+ "Column[name=film_id,columnNumber=1,type=SMALLINT,nullable=false,nativeType=SMALLINT UNSIGNED,columnSize=5], "
+						+ "Column[name=last_update,columnNumber=2,type=TIMESTAMP,nullable=false,nativeType=TIMESTAMP,columnSize=19]]",
+				Arrays.toString(filmActorJoinTable.getColumns()));
+
+		Query q = new Query();
+		q.from(new FromItem(actorTable).setAlias("a"));
+		q.select(actorTable.getColumns());
+		q.getSelectClause().getItem(0).setAlias("foo-bar");
+		assertEquals(
+				"SELECT a.`actor_id` AS foo-bar, a.`first_name`, a.`last_name`, a.`last_update` FROM sakila.`actor` a",
+				q.toString());
+		FilterItem f1 = new FilterItem(q.getSelectClause().getItem(0), OperatorType.EQUALS_TO, 5);
+		FilterItem f2 = new FilterItem(q.getSelectClause().getItem(0), OperatorType.EQUALS_TO, 8);
+		q.where(new FilterItem(f1, f2));
+
+		DataSet dataSet = dc.executeQuery(q);
+		TableModel tableModel = new DataSetTableModel(dataSet);
+		assertEquals(4, tableModel.getColumnCount());
+		assertEquals(2, tableModel.getRowCount());
+		assertEquals("LOLLOBRIGIDA", tableModel.getValueAt(0, 2));
+
+		q.setMaxRows(1);
+		dataSet = dc.executeQuery(q);
+		tableModel = new DataSetTableModel(dataSet);
+		assertEquals(4, tableModel.getColumnCount());
+		assertEquals(1, tableModel.getRowCount());
+		assertEquals("LOLLOBRIGIDA", tableModel.getValueAt(0, 2));
+		
+		q.setMaxRows(1);
+		q.setFirstRow(2);
+        dataSet = dc.executeQuery(q);
+        tableModel = new DataSetTableModel(dataSet);
+        assertEquals(4, tableModel.getColumnCount());
+        assertEquals(1, tableModel.getRowCount());
+        assertEquals("JOHANSSON", tableModel.getValueAt(0, 2));
+
+		q.getWhereClause().removeItems();
+		q.setMaxRows(25);
+		q.setFirstRow(1);
+		dataSet = dc.executeQuery(q);
+		tableModel = new DataSetTableModel(dataSet);
+		assertEquals(4, tableModel.getColumnCount());
+		assertEquals(25, tableModel.getRowCount());
+		assertEquals("GUINESS", tableModel.getValueAt(0, 2).toString());
+	}
+
+	// Test to query the film table (caused troubles in DataCleaner)
+	public void testFilmQuery() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection);
+		Table table = dc.getDefaultSchema().getTableByName("film");
+		Query q = new Query().select(table.getColumns()).from(table).setMaxRows(400);
+		dc.executeQuery(q);
+	}
+
+	public void testGetSchema() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection);
+		Schema[] schemas = dc.getSchemas();
+		assertEquals(5, schemas.length);
+		Schema schema = dc.getDefaultSchema();
+
+		assertEquals("[Table[name=actor,type=TABLE,remarks=], " + "Table[name=address,type=TABLE,remarks=], "
+				+ "Table[name=category,type=TABLE,remarks=], " + "Table[name=city,type=TABLE,remarks=], "
+				+ "Table[name=country,type=TABLE,remarks=], " + "Table[name=customer,type=TABLE,remarks=], "
+				+ "Table[name=film,type=TABLE,remarks=], " + "Table[name=film_actor,type=TABLE,remarks=], "
+				+ "Table[name=film_category,type=TABLE,remarks=], " + "Table[name=film_text,type=TABLE,remarks=], "
+				+ "Table[name=inventory,type=TABLE,remarks=], " + "Table[name=language,type=TABLE,remarks=], "
+				+ "Table[name=payment,type=TABLE,remarks=], " + "Table[name=rental,type=TABLE,remarks=], "
+				+ "Table[name=staff,type=TABLE,remarks=], " + "Table[name=store,type=TABLE,remarks=], "
+				+ "Table[name=actor_info,type=VIEW,remarks=], " + "Table[name=customer_list,type=VIEW,remarks=], "
+				+ "Table[name=film_list,type=VIEW,remarks=], "
+				+ "Table[name=nicer_but_slower_film_list,type=VIEW,remarks=], "
+				+ "Table[name=sales_by_film_category,type=VIEW,remarks=], "
+				+ "Table[name=sales_by_store,type=VIEW,remarks=], " + "Table[name=staff_list,type=VIEW,remarks=]]",
+				Arrays.toString(schema.getTables()));
+
+		Table filmTable = schema.getTableByName("film");
+		assertEquals(
+				"[Column[name=film_id,columnNumber=0,type=SMALLINT,nullable=false,nativeType=SMALLINT UNSIGNED,columnSize=5], "
+						+ "Column[name=title,columnNumber=1,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=255], "
+						+ "Column[name=description,columnNumber=2,type=LONGVARCHAR,nullable=true,nativeType=TEXT,columnSize=65535], "
+						+ "Column[name=release_year,columnNumber=3,type=DATE,nullable=true,nativeType=YEAR,columnSize=0], "
+						+ "Column[name=language_id,columnNumber=4,type=TINYINT,nullable=false,nativeType=TINYINT UNSIGNED,columnSize=3], "
+						+ "Column[name=original_language_id,columnNumber=5,type=TINYINT,nullable=true,nativeType=TINYINT UNSIGNED,columnSize=3], "
+						+ "Column[name=rental_duration,columnNumber=6,type=TINYINT,nullable=false,nativeType=TINYINT UNSIGNED,columnSize=3], "
+						+ "Column[name=rental_rate,columnNumber=7,type=DECIMAL,nullable=false,nativeType=DECIMAL,columnSize=4], "
+						+ "Column[name=length,columnNumber=8,type=SMALLINT,nullable=true,nativeType=SMALLINT UNSIGNED,columnSize=5], "
+						+ "Column[name=replacement_cost,columnNumber=9,type=DECIMAL,nullable=false,nativeType=DECIMAL,columnSize=5], "
+						+ "Column[name=rating,columnNumber=10,type=CHAR,nullable=true,nativeType=ENUM,columnSize=5], "
+						+ "Column[name=special_features,columnNumber=11,type=CHAR,nullable=true,nativeType=SET,columnSize=54], "
+						+ "Column[name=last_update,columnNumber=12,type=TIMESTAMP,nullable=false,nativeType=TIMESTAMP,columnSize=19]]",
+				Arrays.toString(filmTable.getColumns()));
+		assertEquals(
+				"[Relationship[primaryTable=language,primaryColumns=[language_id],foreignTable=film,foreignColumns=[language_id]], Relationship[primaryTable=language,primaryColumns=[language_id],foreignTable=film,foreignColumns=[original_language_id]], Relationship[primaryTable=film,primaryColumns=[film_id],foreignTable=film_actor,foreignColumns=[film_id]], Relationship[primaryTable=film,primaryColumns=[film_id],foreignTable=film_category,foreignColumns=[film_id]], Relationship[primaryTable=film,primaryColumns=[film_id],foreignTable=inventory,foreignColumns=[film_id]]]",
+				Arrays.toString(filmTable.getRelationships()));
+
+		dc = new JdbcDataContext(_connection, TableType.DEFAULT_TABLE_TYPES, "sakila");
+		schemas = dc.getSchemas();
+		assertEquals(6, schemas.length);
+		assertEquals("[Table[name=actor,type=TABLE,remarks=], " + "Table[name=address,type=TABLE,remarks=], "
+				+ "Table[name=category,type=TABLE,remarks=], " + "Table[name=city,type=TABLE,remarks=], "
+				+ "Table[name=country,type=TABLE,remarks=], " + "Table[name=customer,type=TABLE,remarks=], "
+				+ "Table[name=film,type=TABLE,remarks=], " + "Table[name=film_actor,type=TABLE,remarks=], "
+				+ "Table[name=film_category,type=TABLE,remarks=], " + "Table[name=film_text,type=TABLE,remarks=], "
+				+ "Table[name=inventory,type=TABLE,remarks=], " + "Table[name=language,type=TABLE,remarks=], "
+				+ "Table[name=payment,type=TABLE,remarks=], " + "Table[name=rental,type=TABLE,remarks=], "
+				+ "Table[name=staff,type=TABLE,remarks=], " + "Table[name=store,type=TABLE,remarks=], "
+				+ "Table[name=actor_info,type=VIEW,remarks=], " + "Table[name=customer_list,type=VIEW,remarks=], "
+				+ "Table[name=film_list,type=VIEW,remarks=], "
+				+ "Table[name=nicer_but_slower_film_list,type=VIEW,remarks=], "
+				+ "Table[name=sales_by_film_category,type=VIEW,remarks=], "
+				+ "Table[name=sales_by_store,type=VIEW,remarks=], " + "Table[name=staff_list,type=VIEW,remarks=]]",
+				Arrays.toString(schema.getTables()));
+
+		Table staffView = schema.getTableByName("staff_list");
+		assertEquals(
+				"[Column[name=ID,columnNumber=0,type=TINYINT,nullable=false,nativeType=TINYINT UNSIGNED,columnSize=3], "
+						+ "Column[name=name,columnNumber=1,type=VARCHAR,nullable=true,nativeType=VARCHAR,columnSize=91], "
+						+ "Column[name=address,columnNumber=2,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=50], "
+						+ "Column[name=zip code,columnNumber=3,type=VARCHAR,nullable=true,nativeType=VARCHAR,columnSize=10], "
+						+ "Column[name=phone,columnNumber=4,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=20], "
+						+ "Column[name=city,columnNumber=5,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=50], "
+						+ "Column[name=country,columnNumber=6,type=VARCHAR,nullable=false,nativeType=VARCHAR,columnSize=50], "
+						+ "Column[name=SID,columnNumber=7,type=TINYINT,nullable=false,nativeType=TINYINT UNSIGNED,columnSize=3]]",
+				Arrays.toString(staffView.getColumns()));
+	}
+
+	public void testSplitQuery() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection, TableType.DEFAULT_TABLE_TYPES, "sakila");
+		Schema schema = dc.getSchemaByName("sakila");
+		Table staffListTable = schema.getTableByName("staff_list");
+		assertNotNull(staffListTable);
+		Table paymentTable = schema.getTableByName("payment");
+		assertNotNull(paymentTable);
+		Column countryColumn = staffListTable.getColumnByName("country");
+		assertNotNull(countryColumn);
+		Column paymentColumn = paymentTable.getColumns()[0];
+		assertNotNull(paymentColumn);
+		Query q = new Query().from(staffListTable, "sl").from(paymentTable, "e").select(countryColumn, paymentColumn);
+		assertEquals("SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e",
+				q.toString());
+
+		QuerySplitter qs = new QuerySplitter(dc, q);
+		assertEquals(32098, qs.getRowCount());
+		List<Query> splitQueries = qs.setMaxRows(8000).splitQuery();
+		assertEquals(7, splitQueries.size());
+		assertEquals(
+				"[SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` < 4013 OR e.`rental_id` IS NULL) AND (e.`customer_id` < 300 OR e.`customer_id` IS NULL), SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` < 4013 OR e.`rental_id` IS NULL) AND (e.`customer_id` > 300 OR e.`customer_id` = 300), SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` > 4013 OR e.`rental_id` = 4013) AND (e.`rental_id` < 8025 OR e.`rental_id` = 4013) AND (e.`payment_id` < 8025 OR e.`payment_id` IS NULL), SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` > 4013 OR e.`rental_id` = 4013) AND (e.`rental_id` < 8025 OR e.`rental_id` = 4013) AND (e.`payment_id` > 8025 OR e.`payment_id` = 8025), SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` > 8025 OR e.`re
 ntal_id` = 8025) AND (e.`rental_id` < 12037 OR e.`rental_id` = 8025) AND (e.`amount` < 6 OR e.`amount` IS NULL), SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` > 8025 OR e.`rental_id` = 8025) AND (e.`rental_id` < 12037 OR e.`rental_id` = 8025) AND (e.`amount` > 6 OR e.`amount` = 6), SELECT sl.`country`, e.`payment_id` FROM sakila.`staff_list` sl, sakila.`payment` e WHERE (e.`rental_id` > 12037 OR e.`rental_id` = 12037)]",
+				Arrays.toString(splitQueries.toArray()));
+
+		DataSet data = qs.executeQueries();
+		int count = 0;
+		while (data.next()) {
+			count++;
+		}
+		data.close();
+		assertEquals(32098, count);
+	}
+
+	public void testQueryWithSingleQuote() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection, TableType.DEFAULT_TABLE_TYPES, "sakila");
+		Query q = dc.query().from("category").selectCount().where("name").eq("kasper's horror movies").toQuery();
+		DataSet ds = dc.executeQuery(q);
+		assertTrue(ds.next());
+		assertEquals(0, ((Number) ds.getRow().getValue(0)).intValue());
+		assertFalse(ds.next());
+	}
+
+	public void testWhiteSpaceColumns() throws Exception {
+		DatabaseMetaData metaData = _connection.getMetaData();
+		assertEquals("`", metaData.getIdentifierQuoteString());
+	}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-metamodel/blob/e2e2b37a/jdbc/src/test/integrationtests/org/apache/metamodel/OracleTest.java
----------------------------------------------------------------------
diff --git a/jdbc/src/test/integrationtests/org/apache/metamodel/OracleTest.java b/jdbc/src/test/integrationtests/org/apache/metamodel/OracleTest.java
new file mode 100644
index 0000000..4717873
--- /dev/null
+++ b/jdbc/src/test/integrationtests/org/apache/metamodel/OracleTest.java
@@ -0,0 +1,222 @@
+package org.eobjects.metamodel;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.util.Arrays;
+
+import javax.swing.table.TableModel;
+
+import junit.framework.TestCase;
+
+import org.eobjects.metamodel.data.DataSet;
+import org.eobjects.metamodel.data.DataSetTableModel;
+import org.eobjects.metamodel.jdbc.JdbcDataContext;
+import org.eobjects.metamodel.query.FromItem;
+import org.eobjects.metamodel.query.JoinType;
+import org.eobjects.metamodel.query.Query;
+import org.eobjects.metamodel.schema.Relationship;
+import org.eobjects.metamodel.schema.Schema;
+import org.eobjects.metamodel.schema.Table;
+import org.eobjects.metamodel.schema.TableType;
+
+/**
+ * Test case that tests oracle interaction. An express edition of the oracle
+ * database can be used to run these tests.
+ * 
+ * The test requires the "human resources" schema that is provided ass a sample
+ * schema for Oracle default installations.
+ * 
+ * The script for installing it can be found in:
+ * 
+ * <pre>
+ * $ORACLE_HOME / demo / schema / human_resources / hr_main.sql
+ * </pre>
+ * 
+ * Install with something like:
+ * 
+ * <pre>
+ * $ORACLE_HOME/bin/sqlplus -S &quot;/ as sysdba&quot; @hr_main.sql
+ * </pre>
+ * 
+ * The JDBC driver is not available in the Maven repository so you will have to
+ * download and attach it to the eclipse project yourself.
+ * 
+ * @see http://www.oracle.com/technology/products/bi/samples
+ * @see http
+ *      ://www.oracle.com/technology/software/products/database/xe/index.html
+ */
+public class OracleTest extends TestCase {
+
+	private static final String CONNECTION_STRING = "jdbc:oracle:thin:@localhost:1521:XE";
+	private static final String USERNAME = "HR";
+	private static final String PASSWORD = "eobjects";
+	private Connection _connection;
+	private DataContext _dataContext;
+
+	@Override
+	protected void setUp() throws Exception {
+		super.setUp();
+		Class.forName("oracle.jdbc.OracleDriver");
+		_connection = DriverManager.getConnection(CONNECTION_STRING, USERNAME,
+				PASSWORD);
+		_connection.setReadOnly(true);
+		_dataContext = new JdbcDataContext(_connection);
+	}
+
+	@Override
+	protected void tearDown() throws Exception {
+		super.tearDown();
+		_connection.close();
+	}
+
+	/**
+	 * Ticket #170: getIndexInfo causes SQLException. We test that resultsets
+	 * are closed properly.
+	 */
+	public void testIndexInfo() throws Exception {
+		Schema schema = new JdbcDataContext(_connection,
+				new TableType[] { TableType.TABLE }, null)
+				.getSchemaByName("SYS");
+		assertEquals(12, schema.getTableCount());
+	}
+
+	public void testGetSchemaNames() throws Exception {
+		DataContext dc = new JdbcDataContext(_connection);
+		String[] schemaNames = dc.getSchemaNames();
+
+		String concatSchemas = Arrays.toString(schemaNames);
+
+		// In order to allow the database to be used for other purposes than
+		// this integration test, we will not make an exact assertion as to
+		// which schema names exist, but just assert that HR and the default
+		// oracle schemas exist.
+		assertTrue(concatSchemas.indexOf("foobar_schema_that_does_not_exist") == -1);
+		assertTrue(concatSchemas.indexOf("HR") != -1);
+		assertTrue(concatSchemas.indexOf("SYSTEM") != -1);
+		assertTrue(concatSchemas.indexOf("XDB") != -1);
+		assertTrue(schemaNames.length > 8);
+
+		Schema schema = dc.getDefaultSchema();
+		assertEquals("HR", schema.getName());
+	}
+
+	/**
+	 * Really only tests the JDBC implementation, used to help localize the
+	 * cause for Ticket #144
+	 */
+	public void testGetImportedKeys() throws Exception {
+		ResultSet rs = _connection.getMetaData().getImportedKeys(null, "HR",
+				"EMPLOYEES");
+		int count = 0;
+		while (rs.next()) {
+			count++;
+			assertEquals("HR", rs.getString(2));
+			String pkTableName = rs.getString(3);
+			String pkColumnName = rs.getString(4);
+			String fkTableName = rs.getString(7);
+			assertEquals("EMPLOYEES", fkTableName);
+			String fkColumnName = rs.getString(8);
+			System.out.println("Found primary key relation: pkTableName="
+					+ pkTableName + ",pkColumnName=" + pkColumnName
+					+ ",fkTableName=" + fkTableName + ",fkColumnName="
+					+ fkColumnName);
+		}
+		rs.close();
+		assertEquals(3, count);
+
+		rs = _connection.getMetaData().getImportedKeys(null, "HR",
+				"DEPARTMENTS");
+		count = 0;
+		while (rs.next()) {
+			count++;
+			assertEquals("HR", rs.getString(2));
+			String pkTableName = rs.getString(3);
+			String pkColumnName = rs.getString(4);
+			String fkTableName = rs.getString(7);
+			assertEquals("DEPARTMENTS", fkTableName);
+			String fkColumnName = rs.getString(8);
+			System.out.println("Found primary key relation: pkTableName="
+					+ pkTableName + ",pkColumnName=" + pkColumnName
+					+ ",fkTableName=" + fkTableName + ",fkColumnName="
+					+ fkColumnName);
+		}
+		rs.close();
+		assertEquals(2, count);
+	}
+
+	public void testGetSchema() throws Exception {
+		Schema schema = _dataContext.getSchemaByName("HR");
+		assertNotNull(schema);
+		assertEquals(
+				"{JdbcTable[name=COUNTRIES,type=TABLE,remarks=<null>],"
+						+ "JdbcTable[name=DEPARTMENTS,type=TABLE,remarks=<null>]"
+						+ ",JdbcTable[name=EMPLOYEES,type=TABLE,remarks=<null>]"
+						+ ",JdbcTable[name=JOBS,type=TABLE,remarks=<null>]"
+						+ ",JdbcTable[name=JOB_HISTORY,type=TABLE,remarks=<null>]"
+						+ ",JdbcTable[name=LOCATIONS,type=TABLE,remarks=<null>]"
+						+ ",JdbcTable[name=REGIONS,type=TABLE,remarks=<null>]"
+						+ ",JdbcTable[name=EMP_DETAILS_VIEW,type=VIEW,remarks=<null>]}",
+				Arrays.toString(schema.getTables()));
+
+		Relationship[] employeeRelationships = schema.getTableByName(
+				"EMPLOYEES").getRelationships();
+		assertEquals(
+				"{Relationship[primaryTable=EMPLOYEES,primaryColumns={EMPLOYEE_ID},foreignTable=DEPARTMENTS,foreignColumns={MANAGER_ID}],"
+						+ "Relationship[primaryTable=DEPARTMENTS,primaryColumns={DEPARTMENT_ID},foreignTable=EMPLOYEES,foreignColumns={DEPARTMENT_ID}],"
+						+ "Relationship[primaryTable=EMPLOYEES,primaryColumns={EMPLOYEE_ID},foreignTable=EMPLOYEES,foreignColumns={MANAGER_ID}],"
+						+ "Relationship[primaryTable=JOBS,primaryColumns={JOB_ID},foreignTable=EMPLOYEES,foreignColumns={JOB_ID}],"
+						+ "Relationship[primaryTable=EMPLOYEES,primaryColumns={EMPLOYEE_ID},foreignTable=JOB_HISTORY,foreignColumns={EMPLOYEE_ID}]}",
+				Arrays.toString(employeeRelationships));
+
+		assertEquals(
+				"{JdbcColumn[name=EMPLOYEE_ID,columnNumber=0,type=DECIMAL,nullable=false,nativeType=NUMBER,columnSize=6],"
+						+ "JdbcColumn[name=FIRST_NAME,columnNumber=1,type=VARCHAR,nullable=true,nativeType=VARCHAR2,columnSize=20],"
+						+ "JdbcColumn[name=LAST_NAME,columnNumber=2,type=VARCHAR,nullable=false,nativeType=VARCHAR2,columnSize=25],"
+						+ "JdbcColumn[name=EMAIL,columnNumber=3,type=VARCHAR,nullable=false,nativeType=VARCHAR2,columnSize=25],"
+						+ "JdbcColumn[name=PHONE_NUMBER,columnNumber=4,type=VARCHAR,nullable=true,nativeType=VARCHAR2,columnSize=20],"
+						+ "JdbcColumn[name=HIRE_DATE,columnNumber=5,type=DATE,nullable=false,nativeType=DATE,columnSize=7],"
+						+ "JdbcColumn[name=JOB_ID,columnNumber=6,type=VARCHAR,nullable=false,nativeType=VARCHAR2,columnSize=10],"
+						+ "JdbcColumn[name=SALARY,columnNumber=7,type=DECIMAL,nullable=true,nativeType=NUMBER,columnSize=8],"
+						+ "JdbcColumn[name=COMMISSION_PCT,columnNumber=8,type=DECIMAL,nullable=true,nativeType=NUMBER,columnSize=2],"
+						+ "JdbcColumn[name=MANAGER_ID,columnNumber=9,type=DECIMAL,nullable=true,nativeType=NUMBER,columnSize=6],"
+						+ "JdbcColumn[name=DEPARTMENT_ID,columnNumber=10,type=DECIMAL,nullable=true,nativeType=NUMBER,columnSize=4]}",
+				Arrays.toString(schema.getTableByName("EMPLOYEES").getColumns()));
+
+		assertEquals(
+				"{JdbcColumn[name=DEPARTMENT_ID,columnNumber=0,type=DECIMAL,nullable=false,nativeType=NUMBER,columnSize=4],"
+						+ "JdbcColumn[name=DEPARTMENT_NAME,columnNumber=1,type=VARCHAR,nullable=false,nativeType=VARCHAR2,columnSize=30],"
+						+ "JdbcColumn[name=MANAGER_ID,columnNumber=2,type=DECIMAL,nullable=true,nativeType=NUMBER,columnSize=6],"
+						+ "JdbcColumn[name=LOCATION_ID,columnNumber=3,type=DECIMAL,nullable=true,nativeType=NUMBER,columnSize=4]}",
+				Arrays.toString(schema.getTableByName("DEPARTMENTS")
+						.getColumns()));
+	}
+
+	public void testExecuteQuery() throws Exception {
+		Schema schema = _dataContext.getSchemaByName("HR");
+		Table employeeTable = schema.getTableByName("EMPLOYEES");
+		Table departmentsTable = schema.getTableByName("DEPARTMENTS");
+		Relationship relationship = employeeTable
+				.getRelationships(departmentsTable)[0];
+		assertEquals(
+				"Relationship[primaryTable=EMPLOYEES,primaryColumns={EMPLOYEE_ID},foreignTable=DEPARTMENTS,foreignColumns={MANAGER_ID}]",
+				relationship.toString());
+
+		Query q = new Query().from(new FromItem(JoinType.INNER, relationship))
+				.select(employeeTable.getColumnByName("EMAIL"),
+						departmentsTable.getColumnByName("DEPARTMENT_NAME"));
+		q.getSelectClause().getItem(0).setAlias("e-mail");
+
+		assertEquals(
+				"SELECT \"EMPLOYEES\".\"EMAIL\" AS e-mail, \"DEPARTMENTS\".\"DEPARTMENT_NAME\" FROM HR.\"EMPLOYEES\" INNER JOIN HR.\"DEPARTMENTS\" ON \"EMPLOYEES\".\"EMPLOYEE_ID\" = \"DEPARTMENTS\".\"MANAGER_ID\"",
+				q.toString());
+
+		DataSet data = _dataContext.executeQuery(q);
+		assertNotNull(data);
+		TableModel tableModel = new DataSetTableModel(data);
+		assertEquals(2, tableModel.getColumnCount());
+		assertEquals(11, tableModel.getRowCount());
+		assertEquals("JWHALEN", tableModel.getValueAt(0, 0).toString());
+		assertEquals("Administration", tableModel.getValueAt(0, 1).toString());
+	}
+}
\ No newline at end of file