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gnosygnu_xowa/140_dbs/src/gplx/dbs/Db_conn_utl.java

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2016-01-18 04:18:07 +00:00
/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.dbs; import gplx.*;
import gplx.dbs.metas.*;
public class Db_conn_utl {
public static Db_conn Conn__new(String url_rel) {
Db_conn_bldr.Instance.Reg_default_mem();
return Db_conn_bldr.Instance.Get_or_new(Io_url_.mem_fil_("mem/" + url_rel)).Conn();
}
public static void Tbl__delete(Db_conn conn, String tbl) {
conn.Ddl_delete_tbl(tbl);
}
public static void Tbl__new(Db_conn conn, String tbl, Dbmeta_fld_itm[] flds, Object[]... rows) {
conn.Ddl_create_tbl(Dbmeta_tbl_itm.New(tbl, flds));
int rows_len = rows.length;
Db_stmt stmt = conn.Stmt_insert(tbl, Dbmeta_fld_itm.To_str_ary(flds));
for (int i = 0; i < rows_len; ++i) {
Object[] row = rows[i];
int dat_len = row.length;
stmt.Clear();
for (int j = 0; j < dat_len; ++j) {
Dbmeta_fld_itm fld = flds[j];
String fld_name = fld.Name();
Object val = row[j];
switch (fld.Type().Tid_ansi()) {
case Dbmeta_fld_tid.Tid__bool: stmt.Val_bool_as_byte (fld_name, Bool_.cast(val)); break;
case Dbmeta_fld_tid.Tid__byte: stmt.Val_byte (fld_name, Byte_.cast(val)); break;
case Dbmeta_fld_tid.Tid__int: stmt.Val_int (fld_name, Int_.cast(val)); break;
case Dbmeta_fld_tid.Tid__long: stmt.Val_long (fld_name, Long_.cast(val)); break;
case Dbmeta_fld_tid.Tid__float: stmt.Val_float (fld_name, Float_.cast(val)); break;
case Dbmeta_fld_tid.Tid__double: stmt.Val_double (fld_name, Double_.cast(val)); break;
case Dbmeta_fld_tid.Tid__str: stmt.Val_str (fld_name, String_.cast(val)); break;
case Dbmeta_fld_tid.Tid__bry: stmt.Val_bry (fld_name, Bry_.cast(val)); break;
}
}
stmt.Exec_insert();
}
}
}