Examples of org.teiid.query.metadata.QueryMetadataInterface

org.teiid.query.metadata.QueryMetadataInterface
This interface defines the way that query components access metadata. Any user of a query component will need to implement this interface. Many of these methods take or return things of type "Object". Typically, these objects represent a metadata-implementation-specific metadata ID.

     * 
     * e1 and e2 make up a single compound key - this criteria does not
     * lower the cost due to the NOT
     */
    @Test public void testEstimateCostOfCriteriaCompoundKey9() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 NOT LIKE '3%' and pm4.g1.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }

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     * 
     * e1 and e2 make up a single compound key - this criteria covers that
     * key so the cost should be low
     */
    @Test public void testEstimateCostOfCriteriaCompoundKey10() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "'3' LIKE pm4.g1.e1 and pm4.g1.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, 1, metadata);
    }

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     * 
     * e1 and e2 make up a single compound key - this criteria covers that
     * key so the cost should be low
     */
    @Test public void testEstimateCostOfCriteriaCompoundKey11() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 IS NULL and pm4.g1.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, 1, metadata);
    }

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     * 
     * e1 and e2 make up a single compound key - this criteria does not
     * lower the cost due to the NOT
     */
    @Test public void testEstimateCostOfCriteriaCompoundKey12() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 IS NOT NULL and pm4.g1.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }

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     * 
     * e1 and e2 make up a single compound key - this criteria covers that
     * key so the cost should be low
     */
    @Test public void testEstimateCostOfCriteriaCompoundKey13() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 IN ('3', '4') and pm4.g1.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, 1, metadata);
    }

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     * 
     * e1 and e2 make up a single compound key - this criteria does not
     * lower the cost due to the NOT
     */
    @Test public void testEstimateCostOfCriteriaCompoundKey14() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 NOT IN ('3', '4') and pm4.g1.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }

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        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    } 
    
    @Test public void testEstimateCostOfCriteriaCompoundKey15() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "(pm4.g1.e1 = '3' or pm4.g1.e1 = '2') and (pm4.g1.e2 = 2 or pm4.g1.e2 = 1)"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, 1, metadata);
    }

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    /**
     *  usesKey true
     */
    @Test public void testEstimateCostOfCriteriaMultiGroup() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 = pm1.g1.e1"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }

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    /**
     *  usesKey false
     */
    @Test public void testEstimateCostOfCriteriaMultiGroup1() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm2.g3.e1 = pm4.g1.e1"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }

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    /**
     *  usesKey true
     */
    @Test public void testEstimateCostOfCriteriaMultiGroup2() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm4.g1.e1 = pm1.g1.e1"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, 100, 10, metadata);
    }

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