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60 lines
3.3 KiB
60 lines
3.3 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.qrys; import gplx.*; import gplx.dbs.*;
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import gplx.core.criterias.*; import gplx.dbs.sqls.*;
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public class Db_qry_update implements Db_arg_owner {
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public int Tid() {return Db_qry_.Tid_update;}
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public boolean Exec_is_rdr() {return false;}
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public String To_sql__exec(Sql_qry_wtr wtr) {return wtr.To_sql_str(this, false);}
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public int Exec_qry(Db_conn conn) {return conn.Exec_qry(this);}
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public String Base_table() {return base_table;} private String base_table;
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public String[] Cols_for_update() {return cols_for_update;} private String[] cols_for_update;
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public Criteria Where() {return where;} public Db_qry_update Where_(Criteria crt) {where = crt; return this;} private Criteria where;
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public Db_arg_owner From_(String tbl) {base_table = tbl; return this;}
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public KeyValHash Args() {return args;} private final KeyValHash args = KeyValHash.new_();
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public Db_arg_owner Val_byte(String k, byte v) {return Val_obj_type(k, v, Db_val_type.Tid_byte);}
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public Db_arg_owner Val_int(String k, int v) {return Val_obj_type(k, v, Db_val_type.Tid_int32);}
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public Db_arg_owner Val_long(String k, long v) {return Val_obj_type(k, v, Db_val_type.Tid_int64);}
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public Db_arg_owner Val_decimal(String k, Decimal_adp v) {return Val_obj_type(k, v.Under(), Db_val_type.Tid_decimal);}
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public Db_arg_owner Val_str(String k, String v) {return Val_obj_type(k, v, Db_val_type.Tid_varchar);}
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public Db_arg_owner Val_str_by_bry(String k, byte[] v) {return Val_obj_type(k, String_.new_u8(v), Db_val_type.Tid_varchar);}
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public Db_arg_owner Val_date(String k, DateAdp v) {return Val_obj_type(k, v, Db_val_type.Tid_date);}
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public Db_arg_owner Val_blob(String k, byte[] v) {return Val_obj_type(k, v, Db_val_type.Tid_bry);}
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public Db_arg_owner Val_obj(String k, Object v) {return Val_obj_type(k, v, Db_val_type.Tid_null);}
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public Db_arg_owner Val_obj_type(String key, Object val, byte val_tid) {
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if (key == Dbmeta_fld_itm.Key_null) return this;
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args.Add(key, new Db_arg(key, val, val_tid));
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return this;
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}
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public Db_arg_owner Crt_int(String k, int v) {return Key_obj_(k, v);}
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public Db_arg_owner Crt_str(String k, String v) {return Key_obj_(k, v);}
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private Db_arg_owner Key_obj_(String k, Object v) {
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Criteria crt = Db_crt_.New_eq(k, v);
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where = where == null ? crt : Criteria_.And(where, crt);
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return this;
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}
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public static Db_qry_update New(String tbl, String[] where, String... update) {
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Db_qry_update rv = Db_qry_.update_(tbl, Db_crt_.eq_many_(where));
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rv.cols_for_update = update;
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int len = update.length;
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for (int i = 0; i < len; i++)
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rv.Val_obj(update[i], null);
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return rv;
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}
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}
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