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40 lines
1.3 KiB
40 lines
1.3 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx.dbs; import gplx.*;
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import gplx.core.stores.*;
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import gplx.dbs.qrys.*;
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public class Db_conn_ {
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public static final Db_conn Noop = Db_conn_pool.Instance.Get_or_new(Db_conn_info_.Null);
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public static int Select_fld0_as_int_or(Db_conn conn, String sql, int or) {
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DataRdr rdr = DataRdr_.Null;
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try {
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rdr = conn.Exec_qry_as_old_rdr(Db_qry_sql.rdr_(sql));
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int rv = or;
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if (rdr.MoveNextPeer()) {
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Object rv_obj = rdr.ReadAt(0);
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if (rv_obj != null) // Max(fil_id) will be NULL if tbl is empty
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rv = Int_.cast_or(rv_obj, or);
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}
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return rv;
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}
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finally {
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rdr.Rls();
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}
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}
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}
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