Examples of Subquery

javax.persistence.criteria.Subquery
The Subquery interface defines functionality that is specific to subqueries. A subquery has an expression as its selection item. @param < T> the type of the selection item. @since Java Persistence 2.0
jcascalog.Subquery
org.apache.openjpa.kernel.exps.Subquery
Query value representing a subquery. @author Abe White @since 0.3.2
org.apache.tajo.master.querymaster.SubQuery
SubQuery plays a role in controlling an ExecutionBlock and is a finite state machine.
org.h2.expression.Subquery
A query returning a single value. Subqueries are used inside other statements.
org.lealone.expression.Subquery
A query returning a single value. Subqueries are used inside other statements.
org.modeshape.jcr.query.model.Subquery
A representation of a non-correlated subquery. This component uses composition to hold the various types of QueryCommand objects, rather than inheriting from StaticOperand and QueryCommand.

Examples of org.apache.openjpa.kernel.exps.Subquery

            candidate = fmd.getDefiningMetaData();


        setCandidate(candidate, alias);


        Context subContext = ctx();
        Subquery subquery = ctx().getSubquery();
        if (subquery == null){
            subquery = factory.newSubquery(candidate, true, alias);
            subContext.setSubquery(subquery);
        }
        else {
            subquery.setSubqAlias(alias);
        }


        Path subpath = factory.newPath(subquery);
        subpath.setSchemaAlias(path.getCorrelationVar());
        subpath.setMetaData(candidate);
        subquery.setMetaData(candidate);
        if (fmd.isElementCollection())
            exp = and(exp, bindVar);
        else
            exp = and(exp, factory.equal(path, subpath));

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Examples of org.apache.openjpa.kernel.exps.Subquery

        ParsedJPQL parsed = new ParsedJPQL(node.parser.jpql, node);
        Context subContext = new Context(parsed, null, ctx());
        contexts.push(subContext);


        ClassMetaData candidate = getCandidateMetaData(node);
        Subquery subq = subContext.getSubquery();
        if (subq == null) {
            subq = factory.newSubquery(candidate, subclasses, nextAlias());
            subContext.setSubquery(subq);
        }
        subq.setMetaData(candidate);
        
        // evaluate from clause for resolving variables defined in subquery
        JPQLNode from = node.getChild(1);
        subContext.from = evalFromClause(from, true);


        try {
            QueryExpressions subexp = getQueryExpressions();
            subq.setQueryExpressions(subexp);
            if (subexp.projections.length > 0)
                checkEmbeddable(subexp.projections[0]);
            return subq;
        } finally {
            // remove the subquery parse context

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Examples of org.apache.openjpa.kernel.exps.Subquery

        if (!alias.equalsIgnoreCase(c.ctx().schemaAlias)
            && (val = c.getRegisteredRootVariable(this)) != null) {
            // this is cross join
            var = factory.newPath(val);
        } else if (inSubquery(subquery)) {
            Subquery subQ = subquery.getSubQ();
            var = factory.newPath(subQ);
        } else {
            var = factory.newPath();
            var.setSchemaAlias(alias);
        }

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Examples of org.apache.openjpa.kernel.exps.Subquery

        if (parent == null && lctx.getSubselContexts() != null) {
            // this is the case subselect was created before parent got created
            List<Context> subselCtxs = lctx.getSubselContexts();
            for (Context subselCtx : subselCtxs) {
                Select subsel = (Select) subselCtx.getSelect();
                Subquery subquery = subselCtx.getSubquery();
                subsel.setParent(sel, subquery.getCandidateAlias());
            }
        }
        if (HasContainsExpressionVisitor.hasContains(exps.filter)) {
            sel.setHasSubselect(true);
        }

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Examples of org.apache.openjpa.kernel.exps.Subquery

            candidate = fmd.getDefiningMetaData();


        setCandidate(candidate, alias);


        Context subContext = ctx();
        Subquery subquery = ctx().getSubquery();
        if (subquery == null){
            subquery = factory.newSubquery(candidate, true, alias);
            subContext.setSubquery(subquery);
        }
        else {
            subquery.setSubqAlias(alias);
        }


        Path subpath = factory.newPath(subquery);
        subpath.setSchemaAlias(path.getCorrelationVar());
        subpath.setMetaData(candidate);
        subquery.setMetaData(candidate);
        if (fmd.isElementCollection())
            exp = and(exp, bindVar);
        else
            exp = and(exp, factory.equal(path, subpath));

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Examples of org.apache.openjpa.kernel.exps.Subquery

        ParsedJPQL parsed = new ParsedJPQL(node.parser.jpql, node);
        Context subContext = new Context(parsed, null, ctx());
        contexts.push(subContext);


        ClassMetaData candidate = getCandidateMetaData(node);
        Subquery subq = subContext.getSubquery();
        if (subq == null) {
            subq = factory.newSubquery(candidate, subclasses, nextAlias());
            subContext.setSubquery(subq);
        }
        subq.setMetaData(candidate);
        
        // evaluate from clause for resolving variables defined in subquery
        JPQLNode from = node.getChild(1);
        subContext.from = evalFromClause(from, true);


        try {
            QueryExpressions subexp = getQueryExpressions();
            subq.setQueryExpressions(subexp);
            if (subexp.projections.length > 0)
                checkEmbeddable(subexp.projections[0]);
            return subq;
        } finally {
            // remove the subquery parse context

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Examples of org.apache.openjpa.kernel.exps.Subquery


        // parse the subquery
        ParsedJPQL parsed = new ParsedJPQL(node.parser.jpql, node);


        ClassMetaData candidate = getCandidateMetaData(node);
        Subquery subq = factory.newSubquery(candidate, subclasses, alias);
        subq.setMetaData(candidate);


        contexts.push(new Context(parsed, subq));


        try {
            QueryExpressions subexp = getQueryExpressions();
            subq.setQueryExpressions(subexp);
            return subq;
        } finally {
            // remove the subquery parse context
            contexts.pop();
        }

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Examples of org.apache.openjpa.kernel.exps.Subquery

            candidate = fmd.getDefiningMetaData();


        setCandidate(candidate, alias);


        Context subContext = ctx();
        Subquery subquery = ctx().getSubquery();
        if (subquery == null){
            subquery = factory.newSubquery(candidate, true, alias);
            subContext.setSubquery(subquery);
        }
        else {
            subquery.setSubqAlias(alias);
        }


        Path subpath = factory.newPath(subquery);
        subpath.setSchemaAlias(path.getCorrelationVar());
        subpath.setMetaData(candidate);
        subquery.setMetaData(candidate);
        if (fmd.isElementCollection())
            exp = and(exp, bindVar);
        else
            exp = and(exp, factory.equal(path, subpath));

View Full Code Here

Examples of org.apache.openjpa.kernel.exps.Subquery

        ParsedJPQL parsed = new ParsedJPQL(node.parser.jpql, node);
        Context subContext = new Context(parsed, null, ctx());
        contexts.push(subContext);


        ClassMetaData candidate = getCandidateMetaData(node);
        Subquery subq = subContext.getSubquery();
        if (subq == null) {
            subq = factory.newSubquery(candidate, subclasses, nextAlias());
            subContext.setSubquery(subq);
        }
        subq.setMetaData(candidate);
        
        // evaluate from clause for resolving variables defined in subquery
        JPQLNode from = node.getChild(1);
        subContext.from = evalFromClause(from, true);


        try {
            QueryExpressions subexp = getQueryExpressions();
            subq.setQueryExpressions(subexp);
            if (subexp.projections.length > 0)
                checkEmbeddable(subexp.projections[0]);
            return subq;
        } finally {
            // remove the subquery parse context

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Examples of org.apache.tajo.master.querymaster.SubQuery

            leafTasks.remove(attemptId);
            //LOG.info(attemptId + " Assigned based on * match");
          }
        }


        SubQuery subQuery = context.getQuery().getSubQuery(attemptId.getQueryUnitId().getExecutionBlockId());


        if (attemptId != null) {
          QueryUnit task = subQuery.getQueryUnit(attemptId.getQueryUnitId());
          QueryUnitRequest taskAssign = new QueryUnitRequestImpl(
              attemptId,
              new ArrayList<Fragment>(task.getAllFragments()),
              "",
              false,
              task.getLogicalPlan().toJson(),
              context.getQueryContext(),
              subQuery.getDataChannel(), subQuery.getBlock().getEnforcer());
          if (!subQuery.getBlock().isRoot()) {
            taskAssign.setInterQuery();
          }


          context.getEventHandler().handle(new TaskAttemptAssignedEvent(attemptId,
              taskRequest.getContainerId(),

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