Package org.apache.metamodel.query

Examples of org.apache.metamodel.query.Query.from()

741
742
743
744
745
746
747
748
749
750
751
        q1.from(table1);
        q1.select(table1.getColumns());

        Query q2 = new Query();
        FromItem fromItem = new FromItem(q1);
        q2.from(fromItem);
        SelectItem selectItem = new SelectItem(q1.getSelectClause().getItems().get(1), fromItem);
        selectItem.setAlias("e");
        q2.select(selectItem);
        assertEquals(
                "SELECT name AS e FROM (SELECT contributor.contributor_id, contributor.name, contributor.country FROM MetaModelSchema.contributor)",
View Full Code Here
774
775
776
777
778
779
780
781
782
783
784
        assertFalse(data.next());

        // Create a sub-query for a sub-query
        Query q3 = new Query();
        fromItem = new FromItem(q2);
        q3.from(fromItem);
        selectItem = new SelectItem(q2.getSelectClause().getItems().get(0), fromItem);
        selectItem.setAlias("f");
        q3.select(selectItem);
        fromItem.setAlias("d");
        assertEquals(
View Full Code Here
801
802
803
804
805
806
807
808
809
810
811
        assertFalse(data.next());
    }

    public void testOrderBy() throws Exception {
        Query q = new Query();
        q.from(new FromItem(table1).setAlias("c"));
        q.select(table1.getColumns());
        OrderByItem countryOrderBy = new OrderByItem(q.getSelectClause().getItem(2), Direction.DESC);
        OrderByItem nameOrderBy = new OrderByItem(q.getSelectClause().getItem(1));
        q.orderBy(countryOrderBy, nameOrderBy);
View Full Code Here
114
115
116
117
118
119
120
121
122
123
124
        MockDataContext dc = new MockDataContext("sch", "tab", "1");

        Table table = dc.getDefaultSchema().getTables()[0];

        Query q = new Query();
        FromItem fromItem1 = q.from(table, "t1").getFromClause().getItem(0);
        FromItem fromItem2 = q.from(table, "t2").getFromClause().getItem(1);
        q.select(table.getColumnByName("foo"), fromItem1);
        q.select(table.getColumnByName("foo"), fromItem2);
        q.where(q.getSelectClause().getItem(0), OperatorType.EQUALS_TO, "2");
        assertEquals("SELECT t1.foo, t2.foo FROM sch.tab t1, sch.tab t2 WHERE t1.foo = '2'", q.toSql());
View Full Code Here
115
116
117
118
119
120
121
122
123
124
125
        Table table = dc.getDefaultSchema().getTables()[0];

        Query q = new Query();
        FromItem fromItem1 = q.from(table, "t1").getFromClause().getItem(0);
        FromItem fromItem2 = q.from(table, "t2").getFromClause().getItem(1);
        q.select(table.getColumnByName("foo"), fromItem1);
        q.select(table.getColumnByName("foo"), fromItem2);
        q.where(q.getSelectClause().getItem(0), OperatorType.EQUALS_TO, "2");
        assertEquals("SELECT t1.foo, t2.foo FROM sch.tab t1, sch.tab t2 WHERE t1.foo = '2'", q.toSql());
View Full Code Here
297
298
299
300
301
302
303
304
305
306
307
        dataSet.close();
    }

    public void testOrderByWithoutSelecting() throws Exception {
        Query q = new Query();
        q.from(new FromItem(table2).setAlias("r"));
        Column roleColumn = table2.getColumnByName(COLUMN_ROLE_ROLE_NAME);
        Column projectIdColumn = table2.getColumnByName(COLUMN_ROLE_PROJECT_ID);
        q.select(new SelectItem(projectIdColumn));
        q.orderBy(roleColumn);
        assertEquals("SELECT r.project_id FROM MetaModelSchema.role r ORDER BY r.name ASC", q.toString());
View Full Code Here
336
337
338
339
340
341
342
343
344
345
346
        assertEquals(1, tableModel.getValueAt(7, 0));
    }

    public void testGroupByWithoutSelecting() throws Exception {
        Query q = new Query();
        q.from(new FromItem(table2).setAlias("r"));
        Column roleColumn = table2.getColumnByName(COLUMN_ROLE_ROLE_NAME);
        Column projectIdColumn = table2.getColumnByName(COLUMN_ROLE_PROJECT_ID);
        q.select(new SelectItem(FunctionType.SUM, projectIdColumn));
        q.groupBy(new GroupByItem(new SelectItem(roleColumn)));
        q.orderBy(roleColumn);
View Full Code Here
371
372
373
374
375
376
377
378
379
380
381
        assertEquals("founder", tableModel.getValueAt(2, 0));
    }

    public void testSimpleGroupBy() throws Exception {
        Query q = new Query();
        q.from(new FromItem(table2).setAlias("r"));
        Column roleColumn = table2.getColumnByName(COLUMN_ROLE_ROLE_NAME);
        q.select(new SelectItem(roleColumn));
        q.groupBy(new GroupByItem(new SelectItem(roleColumn)));
        assertEquals("SELECT r.name FROM MetaModelSchema.role r GROUP BY r.name", q.toString());
View Full Code Here
413
414
415
416
417
418
419
420
421
422
423
        assertEquals(7.0, tableModel.getValueAt(0, 2));
    }

    public void testSimpleHaving() throws Exception {
        Query q = new Query();
        q.from(table2, "c");
        Column roleColumn = table2.getColumnByName(COLUMN_ROLE_ROLE_NAME);
        Column contributorIdColumn = table2.getColumnByName(COLUMN_ROLE_CONTRIBUTOR_ID);

        q.groupBy(roleColumn);
        SelectItem countSelectItem = new SelectItem(FunctionType.COUNT, contributorIdColumn).setAlias("my_count");
View Full Code Here
436
437
438
439
440
441
442
443
444
445
446
        assertFalse(data.next());
    }

    public void testHavingFunctionNotSelected() throws Exception {
        Query q = new Query();
        q.from(table2, "c");
        Column roleColumn = table2.getColumnByName(COLUMN_ROLE_ROLE_NAME);
        Column contributorIdColumn = table2.getColumnByName(COLUMN_ROLE_CONTRIBUTOR_ID);

        q.groupBy(roleColumn);
        SelectItem countSelectItem = new SelectItem(FunctionType.COUNT, contributorIdColumn).setAlias("my_count");
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.