Package org.apache.metamodel.schema

Examples of org.apache.metamodel.schema.Schema

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        return dataSet;
    }

    protected boolean isMainSchemaTable(Table table) {
        Schema schema = table.getSchema();
        if (INFORMATION_SCHEMA_NAME.equals(schema.getName())) {
            return false;
        } else {
            return true;
        }
    }
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        }
        return dataSet;
    }

    protected Schema getMainSchemaInternal() {
        Schema schema = _mainSchema;
        if (schema == null) {
            schema = getMainSchema();
            _mainSchema = schema;
        }
        return schema;
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    }

    public void testExecuteQuery() throws Exception {
        File file = new File("src/test/resources/xml_input_eobjects.xml");
        DataContext dc = new XmlDomDataContext(file, false);
        Schema schema = dc.getDefaultSchema();
        Table table = schema.getTableByName("projects_project");
        Query q = new Query().select(table.getColumns()).from(table, "p");
        assertEquals("SELECT p.id, p.project, p.name FROM xml_input_eobjects.xml.projects_project p", q.toString());
        DataSet data = dc.executeQuery(q);
        TableModel tableModel = new DataSetTableModel(data);
        assertEquals(3, tableModel.getColumnCount());
        assertEquals(2, tableModel.getRowCount());

        // ID
        assertEquals(1, tableModel.getValueAt(0, 0));
        assertEquals(2, tableModel.getValueAt(1, 0));

        // Project (text content)
        assertEquals("Some description", tableModel.getValueAt(0, 1));
        assertNull(tableModel.getValueAt(1, 1));

        // Name
        assertEquals("datacleaner", tableModel.getValueAt(0, 2));
        assertEquals("MetaModel", tableModel.getValueAt(1, 2));

        // Make a new query that joins the normalized tables together
        table = schema.getTableByName("contributors_person_address");
        Relationship relationShip = table.getRelationships()[0];
        q = new Query().select(relationShip.getPrimaryTable().getColumns())
                .select(relationShip.getForeignTable().getColumns()).from(new FromItem(JoinType.INNER, relationShip));

        assertEquals(
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    public void testGetSchemas() throws Exception {
        File file = new File("src/test/resources/xls_people.xls");
        DataContext dc = new ExcelDataContext(file);
        Schema[] schemas = dc.getSchemas();
        assertEquals(2, schemas.length);
        Schema schema = schemas[1];
        assertEquals("xls_people.xls", schema.getName());
        assertEquals(1, schema.getTableCount());
        Table table = schema.getTables()[0];
        assertEquals("xls_people", table.getName());

        assertEquals(4, table.getColumnCount());
        assertEquals(0, table.getRelationshipCount());
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        assertNull(XmlDomDataContext.getTextContent(childElements[1]));
        assertNull(XmlDomDataContext.getTextContent(childElements[2]));
        assertNull(XmlDomDataContext.getTextContent(rootElement));

        XmlDomDataContext strategy = new XmlDomDataContext("foobarSchema", document, true);
        Schema schema = strategy.getSchemaByName("foobarSchema");
        assertEquals("Schema[name=foobarSchema]", schema.toString());
        assertEquals("[Table[name=child,type=TABLE,remarks=null]]", Arrays.toString(schema.getTables()));
        Table table = schema.getTables()[0];
        assertEquals(
                "[Column[name=id,columnNumber=0,type=INTEGER,nullable=false,nativeType=Auto-generated primary key,columnSize=null], "
                        + "Column[name=child,columnNumber=1,type=STRING,nullable=true,nativeType=XML Text,columnSize=null]]",
                Arrays.toString(table.getColumns()));
    }
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    }

    public void testFlattenTables() throws Exception {
        File file = new File("src/test/resources/xml_input_flatten_tables.xml");
        XmlDomDataContext dc = new XmlDomDataContext(file, false);
        Schema schema = dc.getDefaultSchema();
        assertEquals("[Table[name=dependency,type=TABLE,remarks=null], "
                + "Table[name=dependency_groupId,type=TABLE,remarks=null], "
                + "Table[name=dependency_artifactId,type=TABLE,remarks=null], "
                + "Table[name=dependency_version,type=TABLE,remarks=null], "
                + "Table[name=dependency_scope,type=TABLE,remarks=null]]", Arrays.toString(schema.getTables()));
        Table dependencyTable = schema.getTableByName("dependency");
        assertEquals(
                "[Column[name=id,columnNumber=0,type=INTEGER,nullable=false,nativeType=Auto-generated primary key,columnSize=null]]",
                Arrays.toString(dependencyTable.getColumns()));
        List<Object[]> dependencyData = dc
                .materializeMainSchemaTable(dependencyTable, dependencyTable.getColumns(), -1).toObjectArrays();
        assertEquals(11, dependencyData.size());
        assertEquals("[1]", Arrays.toString(dependencyData.get(0)));
        assertEquals("[11]", Arrays.toString(dependencyData.get(10)));

        Relationship relationship = schema.getTableByName("dependency_groupId").getRelationships()[0];
        assertEquals(
                "Relationship[primaryTable=dependency,primaryColumns=[id],foreignTable=dependency_groupId,foreignColumns=[dependency_id]]",
                relationship.toString());

        dc.flattenTables(relationship);

        assertEquals("[Table[name=dependency,type=TABLE,remarks=null], "
                + "Table[name=dependency_artifactId,type=TABLE,remarks=null], "
                + "Table[name=dependency_version,type=TABLE,remarks=null], "
                + "Table[name=dependency_scope,type=TABLE,remarks=null]]", Arrays.toString(schema.getTables()));

        assertEquals(
                "[Column[name=id,columnNumber=0,type=INTEGER,nullable=false,nativeType=Auto-generated primary key,columnSize=null], "
                        + "Column[name=groupId,columnNumber=1,type=STRING,nullable=true,nativeType=XML Text,columnSize=null]]",
                Arrays.toString(dependencyTable.getColumns()));

        dependencyData = dc.materializeMainSchemaTable(dependencyTable, dependencyTable.getColumns(), -1)
                .toObjectArrays();
        assertEquals(11, dependencyData.size());
        assertEquals("[1, joda-time]", Arrays.toString(dependencyData.get(0)));
        assertEquals("[11, mysql]", Arrays.toString(dependencyData.get(10)));

        dc.autoFlattenTables();

        assertEquals("[Table[name=dependency,type=TABLE,remarks=null]]", Arrays.toString(schema.getTables()));
        assertEquals(
                "[Column[name=id,columnNumber=0,type=INTEGER,nullable=false,nativeType=Auto-generated primary key,columnSize=null], "
                        + "Column[name=groupId,columnNumber=1,type=STRING,nullable=true,nativeType=XML Text,columnSize=null], "
                        + "Column[name=artifactId,columnNumber=2,type=STRING,nullable=true,nativeType=XML Text,columnSize=null], "
                        + "Column[name=version,columnNumber=3,type=STRING,nullable=true,nativeType=XML Text,columnSize=null], "
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    }

    public void testMissingValues() throws Exception {
        File file = new File("src/test/resources/xls_missing_values.xls");
        DataContext dc = new ExcelDataContext(file);
        Schema schema = dc.getDefaultSchema();
        assertEquals(1, schema.getTableCount());

        Table table = schema.getTables()[0];
        assertEquals("[Column[name=a,columnNumber=0,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                + "Column[name=b,columnNumber=1,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                + "Column[name=c,columnNumber=2,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                + "Column[name=d,columnNumber=3,type=VARCHAR,nullable=true,nativeType=null,columnSize=null]]",
                Arrays.toString(table.getColumns()));
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    }

    public void testMissingColumnHeader() throws Exception {
        File file = new File("src/test/resources/xls_missing_column_header.xls");
        DataContext dc = new ExcelDataContext(file);
        Schema schema = dc.getDefaultSchema();
        assertEquals(1, schema.getTableCount());

        Table table = schema.getTables()[0];
        assertEquals("[Column[name=a,columnNumber=0,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                + "Column[name=b,columnNumber=1,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                + "Column[name=[Column 3],columnNumber=2,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                + "Column[name=d,columnNumber=3,type=VARCHAR,nullable=true,nativeType=null,columnSize=null]]",
                Arrays.toString(table.getColumns()));
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        assertEquals("[11, mysql, mysql-connector-java, 5.1.6, test]", Arrays.toString(dependencyData.get(10)));
    }

    public void testParsePom() throws Exception {
        XmlDomDataContext dc = new XmlDomDataContext(new File("src/test/resources/xml_input_pom.xml"));
        Schema schema = dc.getDefaultSchema();

        Table table = schema.getTableByName("dependencies_dependency");
        assertEquals(
                "[Column[name=id,columnNumber=0,type=INTEGER,nullable=false,nativeType=Auto-generated primary key,columnSize=null], "
                        + "Column[name=groupId,columnNumber=1,type=STRING,nullable=true,nativeType=XML Text,columnSize=null], "
                        + "Column[name=artifactId,columnNumber=2,type=STRING,nullable=true,nativeType=XML Text,columnSize=null], "
                        + "Column[name=version,columnNumber=3,type=STRING,nullable=true,nativeType=XML Text,columnSize=null], "
                        + "Column[name=scope,columnNumber=4,type=STRING,nullable=true,nativeType=XML Text,columnSize=null]]",
                Arrays.toString(table.getColumns()));

        table = schema.getTableByName("inceptionYear");
        assertEquals(
                "[Column[name=id,columnNumber=0,type=INTEGER,nullable=false,nativeType=Auto-generated primary key,columnSize=null], "
                        + "Column[name=inceptionYear,columnNumber=1,type=STRING,nullable=true,nativeType=XML Text,columnSize=null]]",
                Arrays.toString(table.getColumns()));
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    }

    public void testTicket99defect() throws Exception {
        File file = new File("src/test/resources/ticket_199_inventory.xls");
        DataContext dc = new ExcelDataContext(file);
        Schema schema = dc.getDefaultSchema();
        assertEquals(
                "[Table[name=Sheet1,type=null,remarks=null], Table[name=Sheet2,type=null,remarks=null], Table[name=Sheet3,type=null,remarks=null]]",
                Arrays.toString(schema.getTables()));

        assertEquals(0, schema.getTableByName("Sheet2").getColumnCount());
        assertEquals(0, schema.getTableByName("Sheet3").getColumnCount());

        Table table = schema.getTableByName("Sheet1");
        assertEquals(

                "[Column[name=Pkg No.,columnNumber=0,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                        + "Column[name=Description,columnNumber=1,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
                        + "Column[name=Room,columnNumber=2,type=VARCHAR,nullable=true,nativeType=null,columnSize=null], "
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Related Classes of org.apache.metamodel.schema.Schema

  • org.apache.metamodel.AbstractDataContext
  • org.apache.metamodel.AbstractDataContextTest$MyDataContext
  • org.apache.metamodel.AbstractUpdateCallback
  • org.apache.metamodel.CompositeDataContext
  • org.apache.metamodel.CompositeDataContextTest
  • org.apache.metamodel.couchdb.CouchDbDataContextTest
  • org.apache.metamodel.create.AbstractCreateTableBuilderTest
  • org.apache.metamodel.csv.CsvDataContextTest
  • org.apache.metamodel.data.RowTest
  • org.apache.metamodel.DB2Test
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