Package org.teiid.query.sql.lang

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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                GroupsUsedByElementsVisitor.getGroups(crit, groups);
            }
                           
        } else if(type == NodeConstants.Types.PROJECT) {                   
            List<SingleElementSymbol> projectedSymbols = (List<SingleElementSymbol>)node.getProperty(NodeConstants.Info.PROJECT_COLS);
            Select select = new Select(projectedSymbols);
            ExpressionMappingVisitor.mapExpressions(select, symbolMap);
            node.setProperty(NodeConstants.Info.PROJECT_COLS, select.getSymbols());
            if (!singleMapping) {
                GroupsUsedByElementsVisitor.getGroups(select, groups);
            }
        } else if(type == NodeConstants.Types.JOIN) {
            // Convert join criteria property
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        from.addClause(clause);
        FromClause clause1 = new UnaryFromClause(g2);
        clause1.setMakeNotDep(true);
        from.addClause(clause1);

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

        Query query = new Query();
        query.setSelect(select);
        query.setFrom(from);
        query.setCriteria(crit);
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        JoinPredicate jp = new JoinPredicate(new UnaryFromClause(g1), new UnaryFromClause(g2), JoinType.JOIN_INNER, crits);
        jp.getRightClause().setMakeDep(true);
        From from = new From();
        from.addClause(jp);

        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 MAKEDEP ON a = b",  //$NON-NLS-1$
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        JoinPredicate jp = new JoinPredicate(new UnaryFromClause(g1), new UnaryFromClause(g2), JoinType.JOIN_INNER, crits);
        jp.getLeftClause().setMakeDep(true);
        From from = new From();
        from.addClause(jp);

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

        Query query = new Query();
        query.setSelect(select);
        query.setFrom(from);
        TestParser.helpTest("Select a From db.g1 MAKEDEP JOIN db.g2 ON a = b",  //$NON-NLS-1$
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        JoinPredicate jp2 = new JoinPredicate(jp, new UnaryFromClause(g3), JoinType.JOIN_LEFT_OUTER, crits2);
        jp2.getRightClause().setMakeDep(true);
        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 MAKEDEP JOIN db.g2 ON a = b) LEFT OUTER JOIN db.g3 MAKEDEP ON a = c",  //$NON-NLS-1$
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        from.addClause(clause);
        FromClause clause1 = new UnaryFromClause(g2);
        clause1.setMakeDep(true);
        from.addClause(clause1);

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

        Query query = new Query();
        query.setSelect(select);
        query.setFrom(from);
        query.setCriteria(crit);
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        JoinPredicate jp = new JoinPredicate(new UnaryFromClause(g1), new UnaryFromClause(g2), JoinType.JOIN_INNER, crits);
        jp.getRightClause().setMakeNotDep(true);
        From from = new From();
        from.addClause(jp);

        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 MAKENOTDEP ON a = b",  //$NON-NLS-1$
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        JoinPredicate jp = new JoinPredicate(new UnaryFromClause(g1), new UnaryFromClause(g2), JoinType.JOIN_INNER, crits);
        jp.getLeftClause().setMakeNotDep(true);
        From from = new From();
        from.addClause(jp);

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

        Query query = new Query();
        query.setSelect(select);
        query.setFrom(from);
        TestParser.helpTest("Select a From db.g1 MAKENOTDEP JOIN db.g2 ON a = b",  //$NON-NLS-1$
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        JoinPredicate jp2 = new JoinPredicate(jp, new UnaryFromClause(g3), JoinType.JOIN_LEFT_OUTER, crits2);
        jp2.getRightClause().setMakeNotDep(true);
        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 MAKENOTDEP JOIN db.g2 ON a = b) LEFT OUTER JOIN db.g3 MAKENOTDEP ON a = c",  //$NON-NLS-1$
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Related Classes of org.teiid.query.sql.lang.Select

  • org.teiid.cdk.CommandBuilder
  • org.teiid.query.optimizer.relational.RelationalPlanner
  • org.teiid.query.optimizer.relational.rules.FrameUtil
  • org.teiid.query.optimizer.relational.rules.RuleCollapseSource
  • org.teiid.query.optimizer.relational.rules.RuleDecomposeJoin
  • org.teiid.query.optimizer.relational.rules.RulePushAggregates
  • org.teiid.query.optimizer.relational.rules.TestRuleChooseDependent
  • org.teiid.query.optimizer.relational.rules.TestRulePlaceAccess
  • org.teiid.query.optimizer.TriggerActionPlanner
  • org.teiid.query.optimizer.xml.QueryUtil
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