Examples with TransformationMetadata org.teiid.query.metadata.TransformationMetadata used on opensource projects

Example 1 with TransformationMetadata

use of org.teiid.query.metadata.TransformationMetadata in project teiid by teiid.

the class EvaluatorIterator method init.

@Override
public void init(SortedKeyValueIterator<Key, Value> source, Map<String, String> options, IteratorEnvironment env) throws IOException {
    super.init(source, options, env);
    try {
        GroupSymbol gs = null;
        String query = options.get(QUERYSTRING);
        TransformationMetadata tm = createTransformationMetadata(options.get(DDL));
        this.criteria = QueryParser.getQueryParser().parseCriteria(query);
        this.elementsInExpression = ElementCollectorVisitor.getElements(this.criteria, false);
        for (ElementSymbol es : this.elementsInExpression) {
            gs = es.getGroupSymbol();
            ResolverUtil.resolveGroup(gs, tm);
        }
        ResolverVisitor.resolveLanguageObject(this.criteria, tm);
        this.evaluatorUtil = new EvaluatorUtil(gs);
    } catch (QueryParserException e) {
        throw new IOException(e);
    } catch (ClassNotFoundException e) {
        throw new IOException(e);
    } catch (QueryResolverException e) {
        throw new IOException(e);
    } catch (TeiidComponentException e) {
        throw new IOException(e);
    }
    CommandContext cc = new CommandContext();
    this.evaluator = new Evaluator(this.evaluatorUtil.getElementMap(), null, cc);
}

Example 2 with TransformationMetadata

use of org.teiid.query.metadata.TransformationMetadata in project teiid by teiid.

the class TestSimpleDBExecution method setup.

@Before
public void setup() throws Exception {
    translator = new SimpleDBExecutionFactory();
    translator.start();
    TransformationMetadata tm = RealMetadataFactory.fromDDL("create foreign table item (\"itemName()\" string, attribute string, somedate timestamp, strarray string[]);", "x", "y");
    utility = new TranslationUtility(tm);
    connection = Mockito.mock(SimpleDBConnection.class);
}

Example 3 with TransformationMetadata

use of org.teiid.query.metadata.TransformationMetadata in project teiid by teiid.

the class TestSimpleDBSQLVisitor method testIN.

@Test
public void testIN() throws Exception {
    TransformationMetadata tm = RealMetadataFactory.fromDDL("create foreign table item (\"itemName()\" integer, attribute string);", "x", "y");
    TranslationUtility tu = new TranslationUtility(tm);
    Command c = tu.parseCommand("select * from item where \"itemName()\" in (1, 2)");
    SimpleDBSQLVisitor visitor = new SimpleDBSQLVisitor();
    visitor.append(c);
    assertEquals("SELECT attribute FROM item WHERE itemName() IN ('1', '2')", visitor.toString());
}

Example 4 with TransformationMetadata

use of org.teiid.query.metadata.TransformationMetadata in project teiid by teiid.

the class TestSimpleDBSQLVisitor method testEveryNotNull.

@Test
public void testEveryNotNull() throws Exception {
    SimpleDBExecutionFactory translator = new SimpleDBExecutionFactory();
    translator.start();
    MetadataFactory mf = TestDDLParser.helpParse("create foreign table item (\"itemName()\" integer, attribute string[]);", "y");
    TransformationMetadata metadata = RealMetadataFactory.createTransformationMetadata(mf.asMetadataStore(), "x", new FunctionTree("foo", new UDFSource(translator.getPushDownFunctions())));
    TranslationUtility tu = new TranslationUtility(metadata);
    Command c = tu.parseCommand("select * from item where simpledb.every(attribute) is not null");
    SimpleDBSQLVisitor visitor = new SimpleDBSQLVisitor();
    visitor.append(c);
    assertEquals("SELECT attribute FROM item WHERE SIMPLEDB.EVERY(attribute) IS NOT NULL", visitor.toString());
}

Example 5 with TransformationMetadata

use of org.teiid.query.metadata.TransformationMetadata in project teiid by teiid.

the class TestSimpleDBSQLVisitor method testOrderByAllow.

@Test
public void testOrderByAllow() throws Exception {
    TransformationMetadata tm = RealMetadataFactory.fromDDL("create foreign table item (\"itemName()\" string, attribute string);", "x", "y");
    TranslationUtility tu = new TranslationUtility(tm);
    Command c = tu.parseCommand("select * from item where \"itemName()\" = 'name' order by \"itemName()\"");
    SimpleDBSQLVisitor visitor = new SimpleDBSQLVisitor();
    visitor.append(c);
    visitor.checkExceptions();
    assertEquals("SELECT attribute FROM item WHERE itemName() = 'name' ORDER BY itemName()", visitor.toString());
}