Examples of Select

Examples of org.teiid.query.sql.lang.Select

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    @Test public void testOptionMakeNotDependent2(){
        GroupSymbol g = new GroupSymbol("db.g"); //$NON-NLS-1$
        From from = new From();
        from.addGroup(g);

        Select select = new Select();
        ElementSymbol a = new ElementSymbol("a");  //$NON-NLS-1$
        select.addSymbol(a);

        Option option = new Option();
        option.addNotDependentGroup("a.b.c"); //$NON-NLS-1$
        option.addNotDependentGroup("d.e.f"); //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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    @Test public void testOptionMakeNotDependent3(){
        GroupSymbol g = new GroupSymbol("db.g"); //$NON-NLS-1$
        From from = new From();
        from.addGroup(g);

        Select select = new Select();
        ElementSymbol a = new ElementSymbol("a");  //$NON-NLS-1$
        select.addSymbol(a);

        Option option = new Option();
        option.addNotDependentGroup("a.b.c"); //$NON-NLS-1$
        option.addNotDependentGroup("d.e.f"); //$NON-NLS-1$
        option.addNotDependentGroup("x.y.z"); //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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        Option option = new Option();
        option.addDependentGroup("a"); //$NON-NLS-1$
        option.addNotDependentGroup("b"); //$NON-NLS-1$
       
        Select select = new Select(Arrays.asList(new Object[] {x, y}));
       
        Criteria criteria = new CompareCriteria(x, CompareCriteria.EQ, y);
        Query query = new Query(select, from, criteria, null, null, null, option);
        TestParser.helpTest("Select a.x, b.y From a, b WHERE a.x = b.y option makedep a makenotdep b",  //$NON-NLS-1$
                 "SELECT a.x, b.y FROM a, b WHERE a.x = b.y OPTION MAKEDEP a MAKENOTDEP b",  //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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        crits2.add(new CompareCriteria(a, CompareCriteria.EQ, c));
        JoinPredicate jp2 = new JoinPredicate(jp, new UnaryFromClause(g3), JoinType.JOIN_LEFT_OUTER, crits2);
        From from = new From();
        from.addClause(jp2);

        Select select = new Select();
        select.addSymbol(a);

        Query query = new Query();
        query.setSelect(select);
        query.setFrom(from);
        TestParser.helpTest("Select a From (db.g1 JOIN db.g2 ON a = b) makedep LEFT OUTER JOIN db.g3 ON a = c",  //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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    @Test public void testCache() {
        String sql = "/*+ cache */ SELECT * FROM t1"; //$NON-NLS-1$
       
        Query query = new Query();
        Select select = new Select();
        select.addSymbol(new AllSymbol());
        query.setSelect(select);
        From from = new From();
        UnaryFromClause ufc = new UnaryFromClause();
        from.addClause(ufc);
        ufc.setGroup(new GroupSymbol("t1")); //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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    @Test public void testCacheScope() {
        String sql = "/*+ cache(pref_mem scope:session) */ SELECT * FROM t1"; //$NON-NLS-1$
       
        Query query = new Query();
        Select select = new Select();
        select.addSymbol(new AllSymbol());
        query.setSelect(select);
        From from = new From();
        UnaryFromClause ufc = new UnaryFromClause();
        from.addClause(ufc);
        ufc.setGroup(new GroupSymbol("t1")); //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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    @Test public void testExpandedCacheHint() {
        String sql = "/*+ cache( pref_mem ttl:2000) */ SELECT * FROM t1"; //$NON-NLS-1$
       
        Query query = new Query();
        Select select = new Select();
        select.addSymbol(new AllSymbol());
        query.setSelect(select);
        From from = new From();
        UnaryFromClause ufc = new UnaryFromClause();
        from.addClause(ufc);
        ufc.setGroup(new GroupSymbol("t1")); //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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    @Test public void testCacheHintUnion() {
        String sql = "/*+ cache( pref_mem) */ SELECT * FROM t1 union select * from t2"; //$NON-NLS-1$
       
        Query query = new Query();
        Select select = new Select();
        select.addSymbol(new AllSymbol());
        query.setSelect(select);
        From from = new From();
        UnaryFromClause ufc = new UnaryFromClause();
        from.addClause(ufc);
        ufc.setGroup(new GroupSymbol("t1")); //$NON-NLS-1$
        query.setFrom(from);
       
        Query query1 = new Query();
        select = new Select();
        select.addSymbol(new AllSymbol());
        query1.setSelect(select);
        from = new From();
        ufc = new UnaryFromClause();
        from.addClause(ufc);
        ufc.setGroup(new GroupSymbol("t2")); //$NON-NLS-1$
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Examples of org.teiid.query.sql.lang.Select

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        From from = new From();
        GroupSymbol group = new GroupSymbol("pm4.g2"); //$NON-NLS-1$
        from.addGroup(group);
        query.setFrom(from);
       
        Select select = new Select();
        select.addSymbol(new AllSymbol());
        query.setSelect(select);

        group.setMetadataID(METADATA.getGroupID("pm4.g2")); //$NON-NLS-1$
               
        PlanNode n1 = NodeFactory.getNewNode(NodeConstants.Types.ACCESS);
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Examples of org.teiid.query.sql.lang.Select

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                count++;
            }
            return unionCommand;
        }
    Query query = new Query();
        Select select = new Select();
        List<SingleElementSymbol> columns = (List<SingleElementSymbol>)node.getProperty(NodeConstants.Info.OUTPUT_COLS);
        prepareSubqueries(ValueIteratorProviderCollectorVisitor.getValueIteratorProviders(columns));
        select.addSymbols(columns);
        query.setSelect(select);
    query.setFrom(new From());
    buildQuery(accessRoot, node, query, metadata, capFinder);
    if (query.getCriteria() instanceof CompoundCriteria) {
            query.setCriteria(QueryRewriter.optimizeCriteria((CompoundCriteria)query.getCriteria(), metadata));
        }
    if (!CapabilitiesUtil.useAnsiJoin(RuleRaiseAccess.getModelIDFromAccess(accessRoot, metadata), metadata, capFinder)) {
      simplifyFromClause(query);
        }
    if (columns.isEmpty()) {
          if (CapabilitiesUtil.supports(Capability.QUERY_SELECT_EXPRESSION, RuleRaiseAccess.getModelIDFromAccess(accessRoot, metadata), metadata, capFinder)) {
            select.addSymbol(new ExpressionSymbol("dummy", new Constant(1))); //$NON-NLS-1$
          } else {
            //TODO: need to ensure the type is consistent 
            //- should be rare as the source would typically support select expression if it supports union
            select.addSymbol(selectOutputElement(query.getFrom().getGroups(), metadata));
          }
        }
    return query;
  }   
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