Package org.apache.metamodel.schema

Examples of org.apache.metamodel.schema.Table

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        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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    }

    @Override
    public RowDeletionBuilder deleteFrom(String schemaName, String tableName) throws IllegalArgumentException,
            IllegalStateException, UnsupportedOperationException {
        final Table table = getTable(schemaName, tableName);
        return deleteFrom(table);
    }
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        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], "
                        + "Column[name=scope,columnNumber=4,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, joda-time, 1.5.2, compile]", Arrays.toString(dependencyData.get(0)));
        assertEquals("[11, mysql, mysql-connector-java, 5.1.6, test]", Arrays.toString(dependencyData.get(10)));
    }
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    public void testUnexistingHeaderLine() throws Exception {
        DataContext dc = new ExcelDataContext(new File("src/test/resources/xls_people.xls"), new ExcelConfiguration(20,
                true, false));
        assertEquals(1, dc.getDefaultSchema().getTableCount());

        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("xls_people", table.getName());
        assertEquals(0, table.getColumnCount());
    }
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    public final RowUpdationBuilder update(String tableName) {
        return update(getTable(tableName));
    }

    private Table getTable(String tableName) {
        Table table = getDataContext().getTableByQualifiedLabel(tableName);
        if (table == null) {
            throw new IllegalArgumentException("No such table: " + tableName);
        }
        return table;
    }
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    }

    @Override
    public RowUpdationBuilder update(String schemaName, String tableName) throws IllegalArgumentException,
            IllegalStateException, UnsupportedOperationException {
        final Table table = getTable(schemaName, tableName);
        return update(table);
    }
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    }

    public void testSkipEmptyColumns() throws Exception {
        ExcelConfiguration conf = new ExcelConfiguration(ExcelConfiguration.DEFAULT_COLUMN_NAME_LINE, true, true);
        ExcelDataContext dc = new ExcelDataContext(new File("src/test/resources/skipped_lines.xlsx"), conf);
        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("[hello, world]", Arrays.toString(table.getColumnNames()));

        DataSet ds = dc.executeQuery(dc.query().from(table).select("hello").toQuery());
        assertTrue(ds.next());
        assertEquals("1", ds.getRow().getValue(0));
    }
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    }

    public void testDontSkipEmptyLinesNoHeader() throws Exception {
        ExcelConfiguration conf = new ExcelConfiguration(ExcelConfiguration.NO_COLUMN_NAME_LINE, false, true);
        ExcelDataContext dc = new ExcelDataContext(new File("src/test/resources/skipped_lines.xlsx"), conf);
        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("[G, H]", Arrays.toString(table.getColumnNames()));

        assertEquals(6, table.getColumnByName("G").getColumnNumber());
        assertEquals(7, table.getColumnByName("H").getColumnNumber());

        DataSet ds = dc.executeQuery(dc.query().from(table).select("G").toQuery());

        // 5 empty lines
        for (int i = 0; i < 5; i++) {
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    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()));

        // first read
        DataSet data = dc.executeQuery(new Query().select(table.getColumnByName("inceptionYear")).from(table)
                .setMaxRows(1));
        assertTrue(data.next());
        assertEquals("2007", data.getRow().getValue(0));
        assertFalse(data.next());
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    }

    public void testDontSkipEmptyLinesAbsoluteHeader() throws Exception {
        ExcelConfiguration conf = new ExcelConfiguration(6, false, true);
        ExcelDataContext dc = new ExcelDataContext(new File("src/test/resources/skipped_lines.xlsx"), conf);
        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("[hello, world]", Arrays.toString(table.getColumnNames()));
        assertEquals(6, table.getColumnByName("hello").getColumnNumber());
        assertEquals(7, table.getColumnByName("world").getColumnNumber());

        DataSet ds = dc.executeQuery(dc.query().from(table).select("hello").toQuery());
        assertTrue(ds.next());
        assertEquals("1", ds.getRow().getValue(0));
    }
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Related Classes of org.apache.metamodel.schema.Table

  • org.apache.metamodel.AbstractDataContext
  • org.apache.metamodel.AbstractDataContextTest
  • org.apache.metamodel.AbstractUpdateCallback
  • org.apache.metamodel.CompositeDataContext
  • org.apache.metamodel.CompositeDataContextTest
  • org.apache.metamodel.convert.ConvertedDataSetInterceptorTest
  • org.apache.metamodel.convert.Converters
  • org.apache.metamodel.convert.ConvertersTest
  • org.apache.metamodel.couchdb.CouchDbDataContextTest
  • org.apache.metamodel.couchdb.CouchDbInsertionBuilder
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