Examples of org.apache.openjpa.jdbc.sql.Select.select()

Class org.apache.openjpa.jdbc.sql.Select

Examples of org.apache.openjpa.jdbc.sql.Select.select()

org.apache.openjpa.jdbc.sql.Select.select()
Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a {@link Result}. @return true if selected

            JDBCFetchConfiguration fetch, SQLFactory factory) {
        while (mapping.getJoinablePCSuperclassMapping() != null)
            mapping = mapping.getJoinablePCSuperclassMapping();
        // select only the PK columns, since we just want to lock
        Select select = factory.newSelect();
        select.select(mapping.getPrimaryKeyColumns());
        select.wherePrimaryKey(id, mapping, _store);
        List<SQLBuffer> sqls = new ArrayList<SQLBuffer>();
        sqls.add(select.toSelect(true, fetch));
        return sqls;
    }

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        for (int i = 0; i < fms.length; i++) {
            Strategy strat = fms[i].getStrategy();
            if (strat instanceof ContainerFieldStrategy) {
                ForeignKey fk = ((ContainerFieldStrategy)strat).getJoinForeignKey();
                Select select = factory.newSelect();
                select.select(fk.getColumns());
                select.whereForeignKey(fk, id, fms[i].getDefiningMapping(), _store);
                sqls.add(select.toSelect(true, fetch));
            }
        }
    }

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        ClassMapping base = mapping;
        while (base.getJoinablePCSuperclassMapping() != null)
            base = base.getJoinablePCSuperclassMapping();


        Select sel = _sql.newSelect();
        sel.select(base.getPrimaryKeyColumns());
        sel.wherePrimaryKey(sm.getObjectId(), base, this);
        if (_log.isTraceEnabled()) {
            _log.trace("selectPrimaryKey: oid="+sm.getObjectId()+" "+mapping.getDescribedType());
        }
        Result exists = sel.execute(this, fetch);

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            JDBCFetchConfiguration fetch, SQLFactory factory) {
        while (mapping.getJoinablePCSuperclassMapping() != null)
            mapping = mapping.getJoinablePCSuperclassMapping();
        // select only the PK columns, since we just want to lock
        Select select = factory.newSelect();
        select.select(mapping.getPrimaryKeyColumns());
        select.wherePrimaryKey(id, mapping, _store);
        List<SQLBuffer> sqls = new ArrayList<SQLBuffer>();
        sqls.add(select.toSelect(true, fetch));
        return sqls;
    }

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                return;
            }
        }


        Select sel = store.getSQLFactory().newSelect();
        sel.select(_cols);
        field.wherePrimaryKey(sel, sm, store);


        Result res = sel.execute(store, fetch);
        Object val = null;
        try {

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                sel.setAggregate(true);
                StringBuffer sql = new StringBuffer();
                sql.append("MAX(").
                    append(sel.getColumnAlias(field.getOrderColumn())).
                    append(")");
                sel.select(sql.toString(), field);
                ClassMapping rel = getDefaultElementMapping(false);
                sel.whereForeignKey(getJoinForeignKey(rel),
                    sm.getObjectId(), field.getDefiningMapping(), store);


                Result res = sel.execute(store, fetch);

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    public void customUpdate(OpenJPAStateManager sm, JDBCStore store)
        throws SQLException {
        // select existing value for update
        Column col = field.getColumns()[0];
        Select sel = store.getSQLFactory().newSelect();
        sel.select(col);
        field.wherePrimaryKey(sel, sm, store);
        SQLBuffer sql = sel.toSelect(true, store.getFetchConfiguration());


        Connection conn = store.getConnection();
        PreparedStatement stmnt = null;

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    public void load(OpenJPAStateManager sm, JDBCStore store,
        JDBCFetchConfiguration fetch)
        throws SQLException {
        Column col = field.getColumns()[0];
        Select sel = store.getSQLFactory().newSelect();
        sel.select(col);
        field.wherePrimaryKey(sel, sm, store);


        Result res = sel.execute(store, fetch);
        Object val = null;
        try {

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        }
    }


    private Select createSelect(OpenJPAStateManager sm, JDBCStore store) {
        Select sel = store.getSQLFactory().newSelect();
        sel.select(field.getColumns()[0]);
        sel.selectPrimaryKey(field.getDefiningMapping());
        sel.wherePrimaryKey
            (sm.getObjectId(), field.getDefiningMapping(), store);
        sel.setLob(true);
        return sel;

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    public boolean checkVersion(OpenJPAStateManager sm, JDBCStore store,
        boolean updateVersion)
        throws SQLException {
        Column[] cols = vers.getColumns();
        Select sel = store.getSQLFactory().newSelect();
        sel.select(cols);
        sel.wherePrimaryKey(sm.getObjectId(), vers.getClassMapping(), store);


        Result res = sel.execute(store, null);
        try {
            if (!res.next())

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