Examples of Joins

org.apache.openjpa.jdbc.sql.Joins
Tracks joins made when traversing relations in a select. @author Abe White

Examples of org.apache.openjpa.jdbc.sql.Joins

        return seld > 0;
    }


    private boolean getJoinedSupers(Select sel, ClassMapping mapping, int subs, boolean outer) {
        loadSubclasses(mapping); 
        Joins joins = (outer) ? sel.newOuterJoins() : null;
        return mapping.getDiscriminator().addClassConditions(sel, subs == Select.SUBS_JOINABLE, joins);
    }

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

        return seld > 0;
    }


    private boolean getJoinedSupers(Select sel, ClassMapping mapping, int subs, boolean outer) {
        loadSubclasses(mapping); 
        Joins joins = (outer) ? sel.newOuterJoins() : null;
        boolean includeSubs = false;
        if (subs == Select.SUBS_JOINABLE || subs == Select.SUBS_ANY_JOINABLE) {
            includeSubs = true;
        }
        return mapping.getDiscriminator().addClassConditions(sel, includeSubs, joins);

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

     */
    public Joins join(Select sel) {
        if (_fk == null)
            return null;


        Joins joins = sel.newJoins();
        if (_outer)
            return joins.outerJoin(_fk, true, false);
        return joins.join(_fk, true, false);
    }

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

        if (havingExp != null)
            state.having = havingExp.initialize(sel, ctx, contains);


        // get the top-level joins and null the expression's joins
        // at the same time so they aren't included in the where/having SQL
        Joins filterJoins = state.filter.joins;
        Joins havingJoins = (state.having == null) ? null : state.having.joins;
        Joins joins = sel.and(filterJoins, havingJoins);


        // initialize result values
        if (exps.projections.length > 0) {
            state.projections = new ExpState[exps.projections.length];
            Val resultVal;

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

    public void select(Select sel, ExpContext ctx, ClassMapping mapping,
        boolean subclasses, QueryExpressions exps, QueryExpressionsState state,
        int eager) {
        Select inner = sel.getFromSelect();
        Val val;
        Joins joins = null;
        boolean isCountDistinctMultiCols = false;


        if (sel.getSubselectPath() != null)
            joins = sel.newJoins().setSubselect(sel.getSubselectPath());

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

        // using a variable guarantees that the selected data will use different
        // aliases and joins than any existing WHERE conditions on this field
        // that might otherwise limit the elements of the field that match
        if (selectOid)
            sel.orderByPrimaryKey(field.getDefiningMapping(), true, true);
        Joins joins = sel.newJoins().setVariable("*");
        joins = join(joins, elem);


        // order, ref cols
        if (field.getOrderColumn() != null || field.getOrders().length > 0
            || !selectOid) {

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

        throws SQLException {
        // do same joins as for load
        //### cheat: we know typical result joins only care about the relation
        //### path; thus we can ignore different mappings
        ClassMapping elem = getDefaultElementMapping(true);
        Joins dataJoins = res.newJoins().setVariable("*");
        dataJoins = join(dataJoins, elem);
        dataJoins = joinElementRelation(dataJoins, elem);
        Joins orderJoins = null;
        if (field.getOrderColumn() != null) {
            orderJoins = res.newJoins().setVariable("*");
            orderJoins = join(orderJoins, elem);
        }

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

        if (field.getTypeCode() == JavaTypes.ARRAY)
            coll = new ArrayList();
        else
            coll = sm.newProxy(field.getIndex());


        Joins dataJoins = null;
        Joins refJoins = res.newJoins().setVariable("*");
        join(refJoins, false);


        ClassMapping ownerMapping = field.getDefiningMapping();
        Object ref = null;
        int seq = 0;

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

        sel.whereForeignKey(fk, oid, field.getDefiningMapping(), store);


        // order first, then select so that if the projection introduces
        // additional ordering, it will be after our required ordering
        field.orderLocal(sel, elem, null);
        Joins joins = joinElementRelation(sel.newJoins(), elem);
        field.orderRelation(sel, elem, joins);
        selectElement(sel, elem, store, fetch, eagerMode, joins);
        return joins;
    }

View Full Code Here

Examples of org.apache.openjpa.jdbc.sql.Joins

    public void setImplicitType(Class type) {
    }


    public ExpState initialize(Select sel, ExpContext ctx, int flags) {
        ExpState[] states = new ExpState[_args.length];
        Joins joins = null;
        for (int i = 0; i < _args.length; i++) {
            states[i] = _args[i].initialize(sel, ctx, flags);
            if (joins == null)
                joins = states[i].joins;
            else

View Full Code Here

0 1 2 3 4 5

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.