Package org.teiid.query.optimizer.capabilities

Examples of org.teiid.query.optimizer.capabilities.SourceCapabilities

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            // Couldn't determine model ID, so give up
            return false;
        }
       
        String modelName = metadata.getFullName(modelID);
        SourceCapabilities caps = capFinder.findCapabilities(modelName);

        if (caps == null) {
          return true; //this doesn't seem right, but tests were expecting it...
        }
       
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        if (metadata.isVirtualModel(modelID)){
            return false;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);
 
        return caps.supportsCapability(Capability.QUERY_FROM_JOIN_SELFJOIN) &&
                caps.supportsCapability(Capability.QUERY_FROM_GROUP_ALIAS);
    }
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        if (metadata.isVirtualModel(modelID)){
            return false;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);

        if (!joinType.isOuter()) {
          return caps.supportsCapability(Capability.QUERY_FROM_JOIN_INNER);
        }
       
        if(! caps.supportsCapability(Capability.QUERY_FROM_JOIN_OUTER)) {
            return false;
        }
       
        return !joinType.equals(JoinType.JOIN_FULL_OUTER) || caps.supportsCapability(Capability.QUERY_FROM_JOIN_OUTER_FULL);
    }
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        if (metadata.isVirtualModel(modelID)){
            return false;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);
       
        if (groupCols != null && !groupCols.isEmpty()) {
          if (!caps.supportsCapability(Capability.QUERY_GROUP_BY)) {
            return false;
          }
            boolean supportsFunctionsInGroupBy = caps.supportsCapability(Capability.QUERY_FUNCTIONS_IN_GROUP_BY);

            // Also verify that if there is a function that we can support pushdown of functions in group by
            Iterator colIter = groupCols.iterator();
            while(colIter.hasNext()) {
                Expression col = (Expression) colIter.next();
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        if (metadata.isVirtualModel(modelID)){
            return false;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);

        // Check particular function
        Type func = aggregate.getAggregateFunction();
        switch (func) {
        case COUNT:
            if(aggregate.getExpression() == null) {
                if(! caps.supportsCapability(Capability.QUERY_AGGREGATES_COUNT_STAR)) {
                    return false;
                }
            } else {
                if(! caps.supportsCapability(Capability.QUERY_AGGREGATES_COUNT)) {
                    return false;
                }               
            }
            break;
        case SUM:
            if(! caps.supportsCapability(Capability.QUERY_AGGREGATES_SUM)) {
                return false;
            }
            break;
        case AVG:
            if(! caps.supportsCapability(Capability.QUERY_AGGREGATES_AVG)) {
                return false;
            }
            break;
        case MIN:
            if(! caps.supportsCapability(Capability.QUERY_AGGREGATES_MIN)) {
                return false;
            }
            break;
        case MAX:
            if(! caps.supportsCapability(Capability.QUERY_AGGREGATES_MAX)) {
                return false;
            }
            break;
        default:
          if (aggregate.isEnhancedNumeric()) {
            if (!caps.supportsCapability(Capability.QUERY_AGGREGATES_ENHANCED_NUMERIC)) {
              return false;
            }
          } else {
            return false;
          }
          break;
        }
       
        // Check DISTINCT if necessary
        if(aggregate.isDistinct() && ! caps.supportsCapability(Capability.QUERY_AGGREGATES_DISTINCT)) {
            return false;
        }
       
        // Passed all the checks!
        return true;
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        //technically the other functions are scoped to SYS, but that's
        //not formally part of their metadata yet
        Schema schema = function.getFunctionDescriptor().getMethod().getParent();
        if (schema == null) {
            // Find capabilities
            SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);

            if (!caps.supportsFunction(function.getFunctionDescriptor().getName().toLowerCase())) {
                return false;
            }
        } else if (!schema.getFullName().equalsIgnoreCase(metadata.getFullName(modelID))) {
          return false; //not the right schema
        }
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        if (metadata.isVirtualModel(modelID)){
            return false;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);

        switch (setOp) {
            case EXCEPT:
                return caps.supportsCapability(Capability.QUERY_EXCEPT);
            case INTERSECT:
                return caps.supportsCapability(Capability.QUERY_INTERSECT);
            case UNION:
                return caps.supportsCapability(Capability.QUERY_UNION);
        }
       
        return false;
    }
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        if (metadata.isVirtualModel(modelID)){
            return -1;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);
        Object maxInCriteriaSize = caps.getSourceProperty(cap);
        int value = -1;
        if(maxInCriteriaSize != null) {
            value = ((Integer)maxInCriteriaSize).intValue();
        }
       
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        if (metadata.isVirtualModel(modelID)){
            return -1;
        }

        // Find capabilities
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);
        Object maxGroups = caps.getSourceProperty(Capability.MAX_QUERY_FROM_GROUPS);
        int value = -1;
        if(maxGroups != null) {
            value = ((Integer)maxGroups).intValue();
        }
       
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    public static SupportedJoinCriteria getSupportedJoinCriteria(Object modelID, QueryMetadataInterface metadata, CapabilitiesFinder capFinder) throws QueryMetadataException, TeiidComponentException {
        if (metadata.isVirtualModel(modelID)){
            return SupportedJoinCriteria.ANY;
        }
        SourceCapabilities caps = getCapabilities(modelID, metadata, capFinder);
        SupportedJoinCriteria crits = (SupportedJoinCriteria)caps.getSourceProperty(Capability.JOIN_CRITERIA_ALLOWED);
        if (crits == null) {
          return SupportedJoinCriteria.ANY;
        }
        return crits;
    }
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Related Classes of org.teiid.query.optimizer.capabilities.SourceCapabilities

  • org.teiid.dqp.internal.process.CachedFinder
  • org.teiid.dqp.internal.process.multisource.MultiSourceCapabilitiesFinder
  • org.teiid.dqp.internal.process.multisource.TestMultiSourceCapabilitiesFinder
  • org.teiid.dqp.internal.process.PreparedStatementRequest
  • org.teiid.dqp.internal.process.TestConnectorCapabilitiesFinder
  • org.teiid.query.optimizer.BatchedUpdatePlanner
  • org.teiid.query.optimizer.capabilities.TestDefaultCapabilitiesFinder
  • org.teiid.query.optimizer.relational.PlanToProcessConverter
  • org.teiid.query.optimizer.relational.rules.CapabilitiesUtil
  • org.teiid.query.optimizer.relational.rules.CriteriaCapabilityValidatorVisitor
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