Examples with QueryCompilation org.datanucleus.query.compiler.QueryCompilation used on opensource projects

Example 11 with QueryCompilation

use of org.datanucleus.query.compiler.QueryCompilation in project tests by datanucleus.

the class JDOQLCompilerTest method testFilterWithStringEqualsLiteral.

/**
 * Tests for "String.equals(Literal)" in filter.
 */
public void testFilterWithStringEqualsLiteral() {
    JavaQueryCompiler compiler = null;
    QueryCompilation compilation = null;
    try {
        compiler = new JDOQLCompiler(nucCtx, nucCtx.getClassLoaderResolver(null), null, Product.class, null, "name.equals(\"Kettle\")", null, null, null, null, null, null, null, null);
        compilation = compiler.compile(new HashMap(), null);
    } catch (NucleusException ne) {
        NucleusLogger.QUERY.error("Exception thrown during compilation", ne);
        fail("compilation of filter with valid field threw exception : " + ne.getMessage());
    }
    Expression expr = compilation.getExprFilter();
    assertTrue("Compiled expression should have been InvokeExpression but wasnt", expr instanceof InvokeExpression);
    InvokeExpression invExpr = (InvokeExpression) expr;
    assertTrue("InvokeExpression should have been invoked on PrimaryExpression but wasnt", invExpr.getLeft() instanceof PrimaryExpression);
    assertEquals("Name of field upon which we invoke the method was wrong", "name", ((PrimaryExpression) invExpr.getLeft()).getId());
    assertEquals("Name of invoked method was wrong", "equals", invExpr.getOperation());
    assertEquals("Number of parameters is wrong", 1, invExpr.getArguments().size());
    Object param = invExpr.getArguments().get(0);
    assertTrue("Parameter to equals() is of wrong type", param instanceof Literal);
    Literal paramLit = (Literal) param;
    assertEquals("Parameter to equals() has wrong value", "Kettle", paramLit.getLiteral());
}

Example 12 with QueryCompilation

use of org.datanucleus.query.compiler.QueryCompilation in project tests by datanucleus.

the class JDOQLCompilerTest method testOrderNulls.

/**
 * Test for order clause.
 */
public void testOrderNulls() {
    // Test use of implicit variable in filter
    JavaQueryCompiler compiler = null;
    QueryCompilation compilation = null;
    try {
        compiler = new JDOQLCompiler(nucCtx, nucCtx.getClassLoaderResolver(null), null, Product.class, null, null, null, "name ASC", null, null, null, null, null, null);
        compilation = compiler.compile(null, null);
    } catch (NucleusUserException ne) {
        NucleusLogger.QUERY.error("Exception thrown during compilation", ne);
        fail("compilation of filter with valid field threw exception : " + ne.getMessage());
    }
    Expression[] orderExprs1 = compilation.getExprOrdering();
    assertEquals(1, orderExprs1.length);
    assertTrue(orderExprs1[0] instanceof OrderExpression);
    OrderExpression orderExpr1 = (OrderExpression) orderExprs1[0];
    assertEquals("name", ((PrimaryExpression) orderExpr1.getLeft()).getId());
    assertEquals("ascending", orderExpr1.getSortOrder());
    assertNull(orderExpr1.getNullOrder());
    // Test use of NULLS
    try {
        compiler = new JDOQLCompiler(nucCtx, nucCtx.getClassLoaderResolver(null), null, Product.class, null, null, null, "name ASC NULLS FIRST", null, null, null, null, null, null);
        compilation = compiler.compile(null, null);
    } catch (NucleusUserException ne) {
        NucleusLogger.QUERY.error("Exception thrown during compilation", ne);
        fail("compilation of filter with valid field threw exception : " + ne.getMessage());
    }
    Expression[] orderExprs2 = compilation.getExprOrdering();
    assertEquals(1, orderExprs2.length);
    assertTrue(orderExprs2[0] instanceof OrderExpression);
    OrderExpression orderExpr2 = (OrderExpression) orderExprs2[0];
    assertEquals("name", ((PrimaryExpression) orderExpr2.getLeft()).getId());
    assertEquals("ascending", orderExpr2.getSortOrder());
    assertEquals(NullOrderingType.NULLS_FIRST, orderExpr2.getNullOrder());
}

Example 13 with QueryCompilation

use of org.datanucleus.query.compiler.QueryCompilation in project tests by datanucleus.

the class JDOQLEvaluatorTest method testFilterCollectionContains.

/**
 * Test of filter with collectionField.contains(element).
 */
public void testFilterCollectionContains() {
    PersistenceManager pm = pmf.getPersistenceManager();
    Transaction tx = pm.currentTransaction();
    try {
        tx.begin();
        // Create some instances to query over
        List<UserGroup> instances = new ArrayList<>();
        UserGroup grp1 = new UserGroup(101, "First Group");
        UserGroup grp2 = new UserGroup(102, "Second Group");
        UserGroup grp3 = new UserGroup(103, "Third Group");
        GroupMember mem1 = new GroupMember(201, "Donald Duck");
        GroupMember mem2 = new GroupMember(202, "Mickey Mouse");
        GroupMember mem3 = new GroupMember(203, "Minnie Mouse");
        grp1.getMembers().add(mem1);
        grp2.getMembers().add(mem1);
        grp2.getMembers().add(mem2);
        grp3.getMembers().add(mem2);
        grp3.getMembers().add(mem3);
        instances.add(grp1);
        instances.add(grp2);
        instances.add(grp3);
        // Compile the query
        JDOQuery q = (JDOQuery) pm.newQuery(UserGroup.class, "members.contains(el) && el.name == 'Minnie Mouse'");
        q.declareVariables(GroupMember.class.getName() + " el");
        Query query = q.getInternalQuery();
        ClassLoaderResolver clr = query.getExecutionContext().getClassLoaderResolver();
        JavaQueryCompiler compiler = new JDOQLCompiler(query.getExecutionContext().getNucleusContext(), clr, null, query.getCandidateClass(), null, query.getFilter(), query.getParsedImports(), query.getOrdering(), query.getResult(), query.getGrouping(), query.getHaving(), query.getExplicitParametersDeclaration(), query.getExplicitVariablesDeclaration(), null);
        QueryCompilation compilation = compiler.compile(new HashMap(), null);
        // Execute the query
        JavaQueryInMemoryEvaluator eval = new JDOQLInMemoryEvaluator(query, instances, compilation, null, clr);
        List results = (List) eval.execute(true, true, true, true, true);
        assertEquals("Number of result instances was wrong", 1, results.size());
        UserGroup grp = (UserGroup) results.get(0);
        assertEquals("Result instance has wrong name", "Third Group", grp.getName());
        tx.commit();
    } catch (Exception e) {
        LOG.info(">> Unexpected exception thrown during test", e);
        fail("Exception thrown during query execution " + e.getMessage());
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        pm.close();
    }
}

Example 14 with QueryCompilation

use of org.datanucleus.query.compiler.QueryCompilation in project tests by datanucleus.

the class JDOQLEvaluatorTest method testFilterGreaterThanLessThan.

/**
 * Test of filter with ">", "<" and "+".
 */
public void testFilterGreaterThanLessThan() {
    PersistenceManager pm = pmf.getPersistenceManager();
    Transaction tx = pm.currentTransaction();
    try {
        tx.begin();
        // Create some instances to query over
        List<Person> instances = new ArrayList<>();
        Person p1 = new Person(101, "Mickey", "Mouse", "mickey.mouse@warnerbros.com");
        p1.setAge(34);
        Person p2 = new Person(102, "Donald", "Duck", "donald.duck@warnerbros.com");
        p2.setAge(38);
        Person p3 = new Person(103, "Minnie", "Mouse", "minnie.mouse@warnerbros.com");
        p3.setAge(31);
        instances.add(p1);
        instances.add(p2);
        instances.add(p3);
        // Compile the query
        JDOQuery q = (JDOQuery) pm.newQuery(Person.class, "age > 34");
        Query query = q.getInternalQuery();
        ClassLoaderResolver clr = query.getExecutionContext().getClassLoaderResolver();
        JavaQueryCompiler compiler = new JDOQLCompiler(query.getExecutionContext().getNucleusContext(), clr, null, query.getCandidateClass(), null, query.getFilter(), query.getParsedImports(), query.getOrdering(), query.getResult(), query.getGrouping(), query.getHaving(), query.getExplicitParametersDeclaration(), query.getExplicitVariablesDeclaration(), null);
        QueryCompilation compilation = compiler.compile(new HashMap(), null);
        // Execute the query
        JavaQueryInMemoryEvaluator eval = new JDOQLInMemoryEvaluator(query, instances, compilation, null, clr);
        List results = (List) eval.execute(true, true, true, true, true);
        assertEquals("Number of result instances was wrong", 1, results.size());
        Person p = (Person) results.get(0);
        assertEquals("Result instance has wrong first name", "Donald", p.getFirstName());
        assertEquals("Result instance has wrong last name", "Duck", p.getLastName());
        assertEquals("Person number of result instance is wrong", 102, p.getPersonNum());
        assertEquals("Age of result instance is wrong", 38, p.getAge());
        // Compile the query
        q = (JDOQuery) pm.newQuery(Person.class, "age+2 < 35");
        query = q.getInternalQuery();
        clr = query.getExecutionContext().getClassLoaderResolver();
        compiler = new JDOQLCompiler(query.getExecutionContext().getNucleusContext(), clr, null, query.getCandidateClass(), null, query.getFilter(), query.getParsedImports(), query.getOrdering(), query.getResult(), query.getGrouping(), query.getHaving(), query.getExplicitParametersDeclaration(), query.getExplicitVariablesDeclaration(), null);
        compilation = compiler.compile(new HashMap(), null);
        // Execute the query
        eval = new JDOQLInMemoryEvaluator(query, instances, compilation, null, clr);
        results = (List) eval.execute(true, true, true, true, true);
        assertEquals("Number of result instances was wrong", 1, results.size());
        p = (Person) results.get(0);
        assertEquals("Result instance has wrong first name", "Minnie", p.getFirstName());
        assertEquals("Result instance has wrong last name", "Mouse", p.getLastName());
        assertEquals("Person number of result instance is wrong", 103, p.getPersonNum());
        assertEquals("Age of result instance is wrong", 31, p.getAge());
        tx.commit();
    } catch (Exception e) {
        e.printStackTrace();
        fail("Exception thrown during query execution " + e.getMessage());
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        pm.close();
    }
}

Example 15 with QueryCompilation

use of org.datanucleus.query.compiler.QueryCompilation in project tests by datanucleus.

the class JDOQLEvaluatorTest method testImplicitParametersPositionalRepeated.

/**
 * Test use of input params, positional, with one repeated before the other appears
 */
public void testImplicitParametersPositionalRepeated() {
    PersistenceManager pm = pmf.getPersistenceManager();
    Transaction tx = pm.currentTransaction();
    try {
        tx.begin();
        // Create some instances to query over
        List<Person> instances = new ArrayList<>();
        Person p1 = new Person(101, "Mickey", "Mouse", "mickey.mouse@warnerbros.com");
        Person p2 = new Person(102, "Donald", "Duck", "donald.duck@warnerbros.com");
        Person p3 = new Person(103, "Minnie", "Mouse", "minnie.mouse@warnerbros.com");
        instances.add(p1);
        instances.add(p2);
        instances.add(p3);
        // Compile the query
        JDOQuery q = (JDOQuery) pm.newQuery(Person.class, "firstName.endsWith(:param1) && !lastName.endsWith(:param1)" + " && lastName.length() == :param2");
        Query query = q.getInternalQuery();
        ClassLoaderResolver clr = query.getExecutionContext().getClassLoaderResolver();
        JavaQueryCompiler compiler = new JDOQLCompiler(query.getExecutionContext().getNucleusContext(), clr, null, query.getCandidateClass(), null, query.getFilter(), query.getParsedImports(), query.getOrdering(), query.getResult(), query.getGrouping(), query.getHaving(), query.getExplicitParametersDeclaration(), query.getExplicitVariablesDeclaration(), null);
        QueryCompilation compilation = compiler.compile(null, null);
        // Execute the query
        Map<Integer, Object> paramValues = new HashMap<>();
        // Simulate what org.datanucleus.store.query.Query does
        paramValues.put(new Integer(0), "ald");
        paramValues.put(new Integer(1), 4);
        JavaQueryInMemoryEvaluator eval = new JDOQLInMemoryEvaluator(query, instances, compilation, paramValues, clr);
        List results = (List) eval.execute(true, true, true, true, true);
        assertEquals("Number of result instances was wrong", 1, results.size());
        Person p = (Person) results.get(0);
        assertEquals("Result instance has wrong first name", "Donald", p.getFirstName());
        assertEquals("Result instance has wrong last name", "Duck", p.getLastName());
        assertEquals("Person number of result instance is wrong", 102, p.getPersonNum());
        tx.commit();
    } catch (Exception e) {
        e.printStackTrace();
        fail("Exception thrown during query execution " + e.getMessage());
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        pm.close();
    }
}