Examples of SQLTemplate

Examples of com.alibaba.otter.node.etl.common.db.dialect.SqlTemplate

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    public boolean before(DbLoadContext context, EventData currentData) {
        // 初步构建sql
        DbDialect dbDialect = dbDialectFactory.getDbDialect(context.getIdentity().getPipelineId(),
                                                            (DbMediaSource) context.getDataMediaSource());
        SqlTemplate sqlTemplate = dbDialect.getSqlTemplate();
        EventType type = currentData.getEventType();
        String sql = null;

        // 注意insert/update语句对应的字段数序都是将主键排在后面
        if (type.isInsert()) {
            if (CollectionUtils.isEmpty(currentData.getColumns())) { // 如果表为全主键，直接进行insert sql
                sql = sqlTemplate.getInsertSql(currentData.getSchemaName(), currentData.getTableName(),
                                               buildColumnNames(currentData.getKeys()),
                                               buildColumnNames(currentData.getColumns()));
            } else {
                sql = sqlTemplate.getMergeSql(currentData.getSchemaName(), currentData.getTableName(),
                                              buildColumnNames(currentData.getKeys()),
                                              buildColumnNames(currentData.getColumns()), new String[] {});
            }
        } else if (type.isUpdate()) {
            // String[] keyColumns = buildColumnNames(currentData.getKeys());
            // String[] otherColumns = buildColumnNames(currentData.getUpdatedColumns());
            // boolean existOldKeys = false;
            // for (String key : keyColumns) {
            // // 找一下otherColumns是否有主键，存在就代表有主键变更
            // if (ArrayUtils.contains(otherColumns, key)) {
            // existOldKeys = true;
            // break;
            // }
            // }

            boolean existOldKeys = !CollectionUtils.isEmpty(currentData.getOldKeys());
            boolean rowMode = context.getPipeline().getParameters().getSyncMode().isRow();
            String[] keyColumns = null;
            String[] otherColumns = null;
            if (existOldKeys) {
                // 需要考虑主键变更的场景
                // 构造sql如下：update table xxx set pk = newPK where pk = oldPk
                keyColumns = buildColumnNames(currentData.getOldKeys());
                otherColumns = buildColumnNames(currentData.getUpdatedColumns(), currentData.getKeys());
            } else {
                keyColumns = buildColumnNames(currentData.getKeys());
                otherColumns = buildColumnNames(currentData.getUpdatedColumns());
            }

            if (rowMode && !existOldKeys) {// 如果是行记录,并且不存在主键变更，考虑merge sql
                sql = sqlTemplate.getMergeSql(currentData.getSchemaName(), currentData.getTableName(), keyColumns,
                                              otherColumns, new String[] {});
            } else {// 否则进行update sql
                sql = sqlTemplate.getUpdateSql(currentData.getSchemaName(), currentData.getTableName(), keyColumns,
                                               otherColumns);
            }
        } else if (type.isDelete()) {
            sql = sqlTemplate.getDeleteSql(currentData.getSchemaName(), currentData.getTableName(),
                                           buildColumnNames(currentData.getKeys()));
        }
        currentData.setSql(sql);
        return false;
    }
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Examples of org.apache.cayenne.query.SQLTemplate

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        for (int i = 1; i < bufferChain.size(); i++) {
            main.append(bufferChain.get(i));
        }

        String sql = main.length() > 0 ? main.toString() : null;
        SQLTemplate query = new SQLTemplate(compiledExpression
                .getRootDescriptor()
                .getObjectClass(), sql);
        query.setParameters(boundParameters);
        return query;
    }
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Examples of org.apache.cayenne.query.SQLTemplate

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   * @param access the minimum access to look for
   * @return List of distinct command groups
   */
  @SuppressWarnings("unchecked")
  public static List<String> getGroups(int access) {
    List<Command> cmds = DatabaseContext.getContext().performQuery(new SQLTemplate(Command.class,
        "SELECT " +
        "#result('max(name)' 'String' 'name'), " +
        "#result('max(description)' 'String' 'description'), " +
        "#result('min(access)' 'Integer' 'access'), " +
        "#result('cmdgroup' 'String' 'cmdgroup') " +
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Examples of org.apache.cayenne.query.SQLTemplate

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    public void testJointPrefetchSQLTemplate() throws Exception {
        createTestData("testJointPrefetch1");

        // correctly naming columns is the key..
        SQLTemplate q = new SQLTemplate(
                Artist.class,
                "SELECT distinct "
                        + "#result('ESTIMATED_PRICE' 'BigDecimal' '' 'paintingArray.ESTIMATED_PRICE'), "
                        + "#result('PAINTING_TITLE' 'String' '' 'paintingArray.PAINTING_TITLE'), "
                        + "#result('GALLERY_ID' 'int' '' 'paintingArray.GALLERY_ID'), "
                        + "#result('PAINTING_ID' 'int' '' 'paintingArray.PAINTING_ID'), "
                        + "#result('ARTIST_NAME' 'String'), "
                        + "#result('DATE_OF_BIRTH' 'java.util.Date'), "
                        + "#result('t0.ARTIST_ID' 'int' '' 'ARTIST_ID') "
                        + "FROM ARTIST t0, PAINTING t1 "
                        + "WHERE t0.ARTIST_ID = t1.ARTIST_ID");

        PrefetchTreeNode prefetch = q.addPrefetch(Artist.PAINTING_ARRAY_PROPERTY);
        assertEquals(
                "Default semantics for SQLTemplate is assumed to be joint.",
                PrefetchTreeNode.JOINT_PREFETCH_SEMANTICS,
                prefetch.getSemantics());
        q.setFetchingDataRows(false);

        DataContext context = createDataContext();

        List objects = context.performQuery(q);
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Examples of org.apache.cayenne.query.SQLTemplate

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    /**
     * Tests that joined entities can have non-standard type mappings.
     */
    public void testJointPrefetchDataTypes() throws Exception {
        // prepare... can't load from XML, as it doesn't yet support dates..
        SQLTemplate artistSQL = new SQLTemplate(
                Artist.class,
                "insert into ARTIST (ARTIST_ID, ARTIST_NAME, DATE_OF_BIRTH) "
                        + "values (33001, 'a1', #bind($date 'DATE'))");
        artistSQL.setParameters(Collections.singletonMap("date", new Date(System
                .currentTimeMillis())));
        SQLTemplate paintingSQL = new SQLTemplate(
                Painting.class,
                "INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ARTIST_ID, ESTIMATED_PRICE) "
                        + "VALUES (33001, 'p1', 33001, 1000)");
        DataContext context = createDataContext();

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Examples of org.apache.cayenne.query.SQLTemplate

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        CharPkTestEntity object = (CharPkTestEntity) ctxt.newObject("CharPkTestEntity");
        object.setOtherCol("object-XYZ");
        object.setPkCol("PK1");
        ctxt.commitChanges();

        SQLTemplate q = new SQLTemplate(
                CharPkTestEntity.class,
                "SELECT * FROM CHAR_PK_TEST");

        q.setFetchingDataRows(true);

        List<?> rows = ctxt.performQuery(q);
        assertNotNull(rows);
        assertEquals(1, rows.size());
        Map row = (Map) rows.get(0);
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Examples of org.apache.cayenne.query.SQLTemplate

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        ctxt.commitChanges();

        ctxt.deleteObject(object);
        ctxt.commitChanges();

        SQLTemplate q = new SQLTemplate(
                CharPkTestEntity.class,
                "SELECT * FROM CHAR_PK_TEST");
        q.setFetchingDataRows(true);

        List<?> rows = ctxt.performQuery(q);
        assertNotNull(rows);
        assertEquals(0, rows.size());
    }
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Examples of org.apache.cayenne.query.SQLTemplate

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        ctxt.commitChanges();

        object.setOtherCol("UPDATED");
        ctxt.commitChanges();

        SQLTemplate q = new SQLTemplate(
                CharPkTestEntity.class,
                "SELECT * FROM CHAR_PK_TEST");
        q.setFetchingDataRows(true);

        List<?> rows = ctxt.performQuery(q);
        assertNotNull(rows);
        assertEquals(1, rows.size());
        Map row = (Map) rows.get(0);
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Examples of org.apache.cayenne.query.SQLTemplate

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        context = createDataContext();
    }

    public void testRelationshipToAbstractSuper() {
        context
                .performGenericQuery(new SQLTemplate(
                        AbstractPerson.class,
                        "INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (1, 'AA', 'EE')"));

        context.performGenericQuery(new SQLTemplate(
                PersonNotes.class,
                "INSERT INTO PERSON_NOTES (ID, NOTES, PERSON_ID) VALUES (1, 'AA', 1)"));

        PersonNotes note = Cayenne.objectForPK(context, PersonNotes.class, 1);
        assertNotNull(note);
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Examples of org.apache.cayenne.query.SQLTemplate

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        assertTrue(note.getPerson() instanceof Employee);
    }

    public void testRelationshipAbstractFromSuperPrefetchingJoint() {
        context
                .performGenericQuery(new SQLTemplate(
                        AbstractPerson.class,
                        "INSERT INTO PERSON (PERSON_ID, NAME, PERSON_TYPE) VALUES (3, 'AA', 'EE')"));

        context.performGenericQuery(new SQLTemplate(
                PersonNotes.class,
                "INSERT INTO PERSON_NOTES (ID, NOTES, PERSON_ID) VALUES (3, 'AA', 3)"));
        context.performGenericQuery(new SQLTemplate(
                PersonNotes.class,
                "INSERT INTO PERSON_NOTES (ID, NOTES, PERSON_ID) VALUES (4, 'BB', 3)"));

        SelectQuery query = new SelectQuery(AbstractPerson.class);
        query.addPrefetch(AbstractPerson.NOTES_PROPERTY).setSemantics(
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