Examples of org.teiid.query.function.FunctionLibrary

org.teiid.query.function.FunctionLibrary
The function library is the primary way for the system to find out what functions are available, resolve function signatures, and invoke system and user-defined functions.

    /** test jdbc USER method */
    @Test public void testUser() {
        //String sql = "select intkey from SmallA where user() = 'bqt2'";


        // Expected left expression
        FunctionLibrary library = FakeMetadataFactory.SFM.getSystemFunctionLibrary();                          
        FunctionDescriptor fd = library.findFunction(FunctionLibrary.USER, new Class[] { });
        Function user = new Function(fd.getName(), new Expression[] {});
        user.setFunctionDescriptor(fd);


        // Expected criteria
        CompareCriteria expected = new CompareCriteria();

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        BasicSourceCapabilities caps = new BasicSourceCapabilities();
        caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
        caps.setFunctionSupport("myrtrim", true); //$NON-NLS-1$
        capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$


        FunctionLibrary funcLibrary = new FunctionLibrary(FakeMetadataFactory.SFM.getSystemFunctions(), new FunctionTree("foo", new FakeFunctionMetadataSource(), true));
        FakeMetadataFacade metadata = new FakeMetadataFacade(FakeMetadataFactory.example1Cached().getStore(), funcLibrary);
        
        processPreparedStatement(sql, expected, dataManager, capFinder,
        metadata, Arrays.asList("a    "));        
    }

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        caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
        caps.setFunctionSupport("myrtrim", true); //$NON-NLS-1$
        caps.setFunctionSupport("concat", true); //$NON-NLS-1$
        capFinder.addCapabilities("pm4", caps); //$NON-NLS-1$


        FunctionLibrary funcLibrary = new FunctionLibrary(FakeMetadataFactory.SFM.getSystemFunctions(), new FunctionTree("foo", new FakeFunctionMetadataSource(), true));
        FakeMetadataFacade metadata = new FakeMetadataFacade(FakeMetadataFactory.example1Cached().getStore(), funcLibrary);
        
        processPreparedStatement(sql, expected, dataManager, capFinder,
        metadata, Arrays.asList("a")); 
    }

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          this.vdbEntries = Collections.emptyMap();
        } else {
          this.vdbEntries = vdbEntries;
        }
        if (functionTrees == null) {
          this.functionLibrary = new FunctionLibrary(systemFunctions);
        } else {
            this.functionLibrary = new FunctionLibrary(systemFunctions, functionTrees.toArray(new FunctionTree[functionTrees.size()]));
        }
    }

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org.teiid.cdk.api.TranslationUtility

org.teiid.dqp.internal.process.TestAuthorizationValidationVisitor

org.teiid.query.metadata.TransformationMetadata

org.teiid.query.optimizer.TestOptimizer

org.teiid.query.processor.TestProcessor

org.teiid.query.resolver.TestResolver

org.teiid.query.rewriter.QueryRewriter

org.teiid.query.rewriter.TestQueryRewriter

org.teiid.api.exception.query.InvalidFunctionException

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