Examples of CmisQueryWalker

org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker
CMISQL tree grammar, walker for the inmemory implementation. This aims at implementing proper semantics without any speed optimization.

Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker


    @Test
    public void simpleWhereTest() {
        String statement = "SELECT * FROM MyType WHERE MyProp1=123";


        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        assertNotNull(walker);


        List<CmisSelector> whereRefs = queryObj.getWhereReferences();
        Map<Integer, CmisSelector> colRefs = queryObj.getColumnReferences();
        assertTrue(1 == whereRefs.size());


        CmisSelector value = whereRefs.iterator().next();
        assertTrue(value instanceof ColumnReference);
        assertEquals("MyProp1", ((ColumnReference)value).getPropertyQueryName());
        // only "*" should be in select references
        assertTrue(1 == queryObj.getSelectReferences().size());


        CommonTree tree = (CommonTree) walker.getTreeNodeStream().getTreeSource();


        // System.out.println("simpleWhereTest printing Tree ...");
        // System.out.println("id in map: " + System.identityHashCode(whereRefs.keySet().iterator().next()));
//        assertTrue(traverseTreeAndFindNodeInColumnMap(tree, colRefs));
        traverseTreeAndFindNodeInColumnMap2(tree, colRefs);

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker


    @Test
    public void simpleSortTest1() {
        String statement = "SELECT * FROM MyType ORDER BY abc.def ASC";


        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        assertNotNull(walker);


        List<SortSpec> orderBys = queryObj.getOrderBys();
        assertTrue(1 == orderBys.size());

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

    }


    @Test
    public void simpleSortTest2() {
        String statement = "SELECT * FROM MyType ORDER BY def DESC";
        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        assertNotNull(walker);


        List<SortSpec> orderBys = queryObj.getOrderBys();
        assertTrue(1 == orderBys.size());

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker


    @Test
    public void doubleFromTest() {
        String statement = "SELECT * FROM MyType JOIN YourType WHERE a='1'";


        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        assertNotNull(walker);


        QueryObject from = queryObj;
        Map<String,String> types = from.getTypes();
        assertTrue(2 == types.size());

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

        return objList;
    }


    public void processQueryAndCatchExc(String statement) {
        QueryUtil queryUtil = new QueryUtil();
        CmisQueryWalker walker = queryUtil.traverseStatementAndCatchExc(statement, queryObj, null);
        whereTree = walker.getWherePredicateTree();
    }

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

        parserTree = (CommonTree) parsedStatement.getTree();            
        // printTree(tree);


        CommonTreeNodeStream nodes = new CommonTreeNodeStream(parserTree);
        nodes.setTokenStream(tokens);
        CmisQueryWalker walker = new CmisQueryWalker(nodes);
        return walker;
    }

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

        CmisQueryWalker walker = new CmisQueryWalker(nodes);
        return walker;
    }


    protected CmisQueryWalker traverseStatement(String statement) throws UnsupportedEncodingException, IOException, RecognitionException {
        CmisQueryWalker walker = getWalker(statement);
        walker.query(queryObj);
        String errMsg = walker.getErrorMessageString();
        if (null != errMsg) {
            fail("Walking of statement failed with error: \n   " + errMsg + 
                    "\n   Statement was: " + statement);
        }
        walkerTree = (CommonTree) walker.getTreeNodeStream().getTreeSource();
        return walker;
    }

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

    }
    
    @Test
    public void simpleFromTest3() throws Exception {
        String statement = "SELECT t2.aaa FROM MyType abc123";        
        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        QueryObject from = walker.queryObj;
        Map<String,String> types = from.getTypes();
        assertTrue(1 == types.size());
        String key = types.keySet().iterator().next();
        assertEquals("abc123", key);

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

    
    @Test
    public void simpleWhereTest() throws Exception {
        String statement = "SELECT * FROM MyType WHERE MyProp1=123"; 
        
        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        QueryObject qo = walker.queryObj;
        List<CmisSelector> whereRefs = qo.getWhereReferences();
        Map<Integer, CmisSelector> colRefs = qo.getColumnReferences();
        assertTrue(1 == whereRefs.size());
        CmisSelector value = whereRefs.iterator().next();
        assertTrue(value instanceof ColumnReference);
        assertEquals("MyProp1", ((ColumnReference)value).getPropertyQueryName());
        // only "*" should be in select references
        assertTrue(1 == qo.getSelectReferences().size());


        CommonTree tree = (CommonTree) walker.getTreeNodeStream().getTreeSource();
        
        // System.out.println("simpleWhereTest printing Tree ...");
        // System.out.println("id in map: " + System.identityHashCode(whereRefs.keySet().iterator().next()));
//        assertTrue(traverseTreeAndFindNodeInColumnMap(tree, colRefs));
        traverseTreeAndFindNodeInColumnMap2(tree, colRefs);

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Examples of org.apache.chemistry.opencmis.server.support.query.CmisQueryWalker

    
    @Test
    public void simpleSortTest1() throws Exception {
        String statement = "SELECT * FROM MyType ORDER BY abc.def ASC"; 
        
        CmisQueryWalker walker = traverseStatementAndCatchExc(statement);
        List<SortSpec> orderBys = walker.queryObj.getOrderBys();
        assertTrue(1 == orderBys.size());
        SortSpec sp = orderBys.get(0);
        assertTrue(sp.isAscending());
        CmisSelector sortSpec = sp.getSelector();

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