Archives/gnosygnu_xowa
1
0
Fork 0
mirror of https://github.com/gnosygnu/xowa.git synced 2026-03-02 03:49:30 +00:00
Code Issues Projects Releases Wiki Activity

'v3.9.2.1'

Browse Source
This commit is contained in:
gnosygnu
2016-09-11 21:49:20 -04:00
parent 232838c732
commit 35d78f6106
310 changed files with 4358 additions and 5116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
140_dbs/src/gplx/dbs/utls/Db_tbl__crud_.java Normal file
View File

@@ -0,0 +1,80 @@
/*
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.utls; import gplx.*; import gplx.dbs.*;
import gplx.dbs.stmts.*;
public class Db_tbl__crud_ {
public static void Upsert(Db_conn conn, String tbl_name, Dbmeta_fld_list flds, String[] crt_cols, Object... objs) {
// init
int crt_cols_len = crt_cols.length;
String[] val_cols = Find_excepts(flds, crt_cols);
// check if exists
Db_stmt select_stmt = conn.Stmt_select(tbl_name, crt_cols, crt_cols);
Add_arg(select_stmt, flds, crt_cols, objs, Bool_.Y, 0);
Db_rdr rdr = select_stmt.Exec_select__rls_auto();
boolean exists = rdr.Move_next();
rdr.Rls();
// do update / insert; NOTE: 0-index and crt_cols_len assumes that objs starts with crts; EX: (id) -> (1, 'abc') x> ('abc', 1)
// update
if (exists) {
Db_stmt update_stmt = conn.Stmt_update(tbl_name, crt_cols, crt_cols);
Add_arg(update_stmt, flds, crt_cols, objs, Bool_.Y, 0);
Add_arg(update_stmt, flds, val_cols, objs, Bool_.N, crt_cols_len);
update_stmt.Exec_update();
update_stmt.Rls();
}
// insert
else {
Db_stmt insert_stmt = conn.Stmt_insert(tbl_name, flds);
Add_arg(insert_stmt, flds, crt_cols, objs, Bool_.N, 0);
Add_arg(insert_stmt, flds, val_cols, objs, Bool_.N, crt_cols_len);
insert_stmt.Exec_insert();
insert_stmt.Rls();
}
}
private static String[] Find_excepts(Dbmeta_fld_list flds, String[] cols) {
// hash cols
Hash_adp hash = Hash_adp_.New();
int cols_len = cols.length;
for (int i = 0; i < cols_len; ++i)
hash.Add_as_key_and_val(cols[i]);
// loop flds and get excepts
List_adp list = List_adp_.New();
int flds_len = flds.Len();
for (int i = 0; i < flds_len; ++i) {
Dbmeta_fld_itm fld = flds.Get_at(i);
if (!hash.Has(fld.Name()))
list.Add(fld.Name());
}
return list.To_str_ary_and_clear();
}
private static void Add_arg(Db_stmt stmt, Dbmeta_fld_list flds, String[] cols, Object[] objs, boolean mode_is_crt, int objs_bgn) {
int cols_len = cols.length;
for (int i = 0; i < cols_len; ++i) {
String col = cols[i];
Dbmeta_fld_itm fld = flds.Get_by(col);
Object obj = objs[i + objs_bgn];
if (mode_is_crt)
Db_stmt_arg_list.Fill_crt(stmt, fld.Type().Tid_ansi(), col, obj);
else
Db_stmt_arg_list.Fill_val(stmt, fld.Type().Tid_ansi(), col, obj);
}
}
}