Package org.apache.metamodel

Examples of org.apache.metamodel.UpdateableDataContext.query()

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                converters.keySet().toString());
        assertEquals(StringToIntegerConverter.class, converters.values().iterator().next().getClass());

        final UpdateableDataContext dc = Converters.addTypeConverters(decoratedDataContext, converters);

        DataSet ds = dc.query().from(table).select(table.getColumns()).execute();
        assertEquals(ConvertedDataSet.class, ds.getClass());
        assertTrue(ds.next());
        assertEquals("Row[values=[1, hello]]", ds.getRow().toString());
        assertEquals(Integer.class, ds.getRow().getValue(0).getClass());
        assertEquals(1, ds.getRow().getValue(0));
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                callback.insertInto(table).value("foo", 4).value("bar", "mrrrrh").execute();
            }
        });

        // query the decorator
        ds = dc.query().from(table).select(table.getColumns()).where("foo").eq(4).execute();
        assertTrue(ds.next());
        assertEquals("Row[values=[4, mrrrrh]]", ds.getRow().toString());
        assertEquals(Integer.class, ds.getRow().getValue(0).getClass());
        assertEquals(4, ds.getRow().getValue(0));
        assertFalse(ds.next());
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        final Table table = dc.getDefaultSchema().getTables()[0];
        Map<Column, TypeConverter<?, ?>> converters = Converters.autoDetectConverters(dc, table, 1000);
        assertEquals(1, converters.size());
        dc = Converters.addTypeConverters(dc, converters);

        final Query q = dc.query().from(table).select("foo").toQuery();
        assertEquals("SELECT table.foo FROM schema.table", q.toSql());
        DataSet ds = dc.executeQuery(q);
        assertTrue(ds.next());
        assertEquals(1, ds.getRow().getValue(0));
        assertTrue(ds.next());
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    dc = Converters.addTypeConverter(dc, fooColumn,
        new StringToIntegerConverter());

    Table table = dc.getDefaultSchema().getTableByName("table");
    Query query = dc.query().from(table).select(table.getColumns())
        .toQuery();
    assertEquals("SELECT table.foo, table.bar FROM schema.table",
        query.toSql());

    DataSet ds = dc.executeQuery(query);
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