Examples of org.teiid.query.sql.symbol.Constant

org.teiid.query.sql.symbol.Constant
This class represents a literal value in a SQL string. The Constant object has a value and a type for that value. In many cases, the type can be derived from the type of the value, but that is not true if the value is null. In that case, the type is unknown and is set to the null type until the type is resolved at a later point.

        assertEquals(new Constant(new Integer(9999)), expr.getElseExpression());
    }


    public void testSetElseExpression() {
        CaseExpression expr = example(3);
        expr.setElseExpression(new Constant(new Integer(1000)));
        assertEquals(new Constant(new Integer(1000)), expr.getElseExpression());
        expr.setElseExpression(null);
        assertNull(expr.getElseExpression());
    }

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    // ################################## TEST HELPERS ################################


    // ################################## ACTUAL TESTS ################################


    public void testFunction1() { 
        Function f1 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        Function f2 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(0, f1, f2);        
    }

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        Function f2 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(0, f1, f2);        
    }    


    public void testFunction2() { 
        Function f1 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        Function f2 = new Function("F1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(0, f1, f2);        
    }

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        Function f2 = new Function("F1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(0, f1, f2);        
    }    


    public void testFunction3() { 
        Function f1 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        Function f2 = new Function("f2", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(1, f1, f2);        
    }

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        UnitTestUtil.helpTestEquivalence(0, f1, f2);        
    }     


    public void testFunction5() { 
        Function f1 = new Function("f1", new Expression[] {null}); //$NON-NLS-1$
        Function f2 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(1, f1, f2);        
    }

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        Function f2 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        UnitTestUtil.helpTestEquivalence(1, f1, f2);        
    }     


    public void testFunction6() {
        Function f1 = new Function("f1", new Expression[] {new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$
        Function f2 = new Function("f1", new Expression[] {new Constant("xyz"), new Constant("xyz")}); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        UnitTestUtil.helpTestEquivalence(1, f1, f2);
    }

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        es1.setType(DataTypeManager.DefaultDataClasses.INTEGER);


        List elements = new ArrayList();
        elements.add(es1);
        
        CompareCriteria crit = new CompareCriteria(new Constant(0), CompareCriteria.EQ, new Constant(new Integer(1)));
        
        List childElements = new ArrayList();
        childElements.add(es1);
        
      RelationalNode child = new RelationalNode(0) {

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        es1.setType(DataTypeManager.DefaultDataClasses.INTEGER);


        List elements = new ArrayList();
        elements.add(es1);
        
        CompareCriteria crit = new CompareCriteria(es1, CompareCriteria.EQ, new Constant(new Integer(1)));
        
        List[] data = new List[] {
          Arrays.asList(1),
          Arrays.asList(1),
          Arrays.asList(1)

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        List elements = new ArrayList();
        elements.add(es1);
        
        List[] data = new List[0];
        
        CompareCriteria crit = new CompareCriteria(es1, CompareCriteria.EQ, new Constant(new Integer(1)));
        
        List childElements = new ArrayList();
        childElements.add(es1);
        childElements.add(es2);

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        es2.setType(DataTypeManager.DefaultDataClasses.STRING);
        
        List elements = new ArrayList();
        elements.add(es1);
        
        CompareCriteria crit = new CompareCriteria(es1, CompareCriteria.EQ, new Constant(new Integer(1)));
        
        List[] data = new List[20];
        for(int i=0; i<20; i++) { 
            data[i] = new ArrayList();
            data[i].add(new Integer((i*51) % 11));

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org.teiid.dqp.internal.datamgr.TestCompareCriteriaImpl

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org.teiid.dqp.internal.datamgr.TestFunctionImpl

org.teiid.dqp.internal.datamgr.TestLikeCriteriaImpl

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