Examples of 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.

Examples of org.teiid.query.metadata.QueryMetadataInterface

        caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
        caps.setFunctionSupport("convert", true); //$NON-NLS-1$
        capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$


        // Add join capability to pm1
        QueryMetadataInterface metadata = FakeMetadataFactory.exampleBQTCached();
         
        ProcessorPlan plan = helpPlan(
            "SELECT intkey from bqt1.smalla WHERE stringkey = convert(objectvalue, string)",  //$NON-NLS-1$
            metadata,
            null, capFinder,

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Examples of org.teiid.query.metadata.QueryMetadataInterface

        caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
        caps.setFunctionSupport("convert", true); //$NON-NLS-1$
        capFinder.addCapabilities("LOB", caps); //$NON-NLS-1$


        // Add join capability to pm1
        QueryMetadataInterface metadata = FakeMetadataFactory.exampleBQTCached();
         
        ProcessorPlan plan = helpPlan(
            "SELECT ClobValue from LOB.LobTbl WHERE convert(ClobValue, string) = ?",  //$NON-NLS-1$
            metadata,
            null, capFinder,

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Examples of org.teiid.query.metadata.QueryMetadataInterface

    // =====================================================================
    // TESTS
    // =====================================================================
    
    @Test public void testEstimateCostOfCriteria() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm2.g3.e1 = '3' or pm2.g3.e2 = 2"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);
    }


    @Test public void testEstimateCostOfCompareCriteria() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm1.g1.e1 = '3'"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, 1, metadata);    
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, 1, metadata);    
    }  
    
    @Test public void testEstimateCostOfCompareCriteria1() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm1.g1.e1 < '3'"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, NewCalculateCostUtil.UNKNOWN_VALUE, NewCalculateCostUtil.UNKNOWN_VALUE, metadata);    
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

    /**
     * usesKey = false
     * NOT = false
     */
    @Test public void testEstimateCostOfMatchCriteria1() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm2.g3.e1 LIKE '#%'"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, 300, 100, metadata);
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

    /**
     * usesKey = false
     * NOT = true
     */
    @Test public void testEstimateCostOfMatchCriteria2() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm2.g3.e1 NOT LIKE '#_'"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, 300, 233, metadata);
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

    /**
     * usesKey = true
     * NOT = false
     */
    @Test public void testEstimateCostOfMatchCriteria3() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm1.g1.e1 LIKE '#_'"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, 300, 50, metadata);
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

    /**
     * usesKey = true
     * NOT = true
     */
    @Test public void testEstimateCostOfMatchCriteria4() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm1.g1.e1 NOT LIKE '#_'"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, 300, 249, metadata);
    }

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Examples of org.teiid.query.metadata.QueryMetadataInterface

    /**
     * usesKey = false
     * NOT = false
     */
    @Test public void testEstimateCostOfIsNullCriteria1() throws Exception {
        QueryMetadataInterface metadata = FakeMetadataFactory.example4();
        String critString = "pm2.g3.e1 IS NULL"; //$NON-NLS-1$
        
        helpTestEstimateCost(critString, 300, 33, metadata);
    }

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