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81 lines
5.6 KiB
Java
81 lines
5.6 KiB
Java
/*
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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.dbs.engines.*; import gplx.dbs.qrys.*;
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public class Db_conn {
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private final List_adp rls_list = List_adp_.new_(); private final Db_engine engine;
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public Db_conn(Db_engine engine) {this.engine = engine;}
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public Db_conn_info Conn_info() {return engine.Conn_info();}
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public boolean Eq(Db_conn comp) {return String_.Eq(engine.Conn_info().Xto_api(), comp.Conn_info().Xto_api());}
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public void Txn_bgn() {engine.Txn_bgn("");}
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public void Txn_bgn(String name) {engine.Txn_bgn(name);}
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public void Txn_end() {engine.Txn_end();}
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public void Txn_cxl() {engine.Txn_cxl();}
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public void Txn_sav() {engine.Txn_sav();}
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public Db_stmt Stmt_insert(String tbl, Db_meta_fld_list flds) {return engine.New_stmt_prep(Db_qry_insert.new_(tbl, flds.To_str_ary_wo_autonum()));}
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public Db_stmt Stmt_insert(String tbl, String... cols) {return engine.New_stmt_prep(Db_qry_insert.new_(tbl, cols));}
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public Db_stmt Stmt_update(String tbl, String[] where, String... cols) {return engine.New_stmt_prep(Db_qry_update.new_(tbl, where, cols));}
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public Db_stmt Stmt_update_exclude(String tbl, Db_meta_fld_list flds, String... where) {return engine.New_stmt_prep(Db_qry_update.new_(tbl, where, flds.To_str_ary_exclude(where)));}
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public Db_stmt Stmt_delete(String tbl, String... where) {return engine.New_stmt_prep(Db_qry_delete.new_(tbl, where));}
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public Db_stmt Stmt_select(String tbl, String[] cols, String... where) {return engine.New_stmt_prep(Db_qry__select_in_tbl.new_(tbl, where, cols, null));}
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public Db_stmt Stmt_select(String tbl, Db_meta_fld_list flds, String... where) {return engine.New_stmt_prep(Db_qry__select_in_tbl.new_(tbl, where, flds.To_str_ary(), null));}
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public Db_stmt Stmt_select_max(String tbl, String col, String... where) {
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Db_qry__select_in_tbl qry = new Db_qry__select_in_tbl(tbl, String_.Ary(String_.Format("Max({0}) AS {0}", col)), where, null, null, null, null);
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return engine.New_stmt_prep(qry);
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}
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public Db_stmt Stmt_select_order(String tbl, Db_meta_fld_list flds, String[] where, String... orderbys) {return engine.New_stmt_prep(Db_qry__select_in_tbl.new_(tbl, where, flds.To_str_ary(), orderbys));}
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public Db_stmt Stmt_select_order(String tbl, String[] flds, String[] where, String... orderbys) {return engine.New_stmt_prep(Db_qry__select_in_tbl.new_(tbl, where, flds, orderbys));}
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public Db_stmt Stmt_new(Db_qry qry) {return engine.New_stmt_prep(qry);}
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public void Env_db_attach(String alias, Io_url db_url) {engine.Env_db_attach(alias, db_url);}
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public void Env_db_detach(String alias) {engine.Env_db_detach(alias);}
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public void Env_vacuum() {Exec_sql_plog_ntx("vacuuming: url=" + this.Conn_info().Xto_api(), "VACUUM;");}
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public void Ddl_create_tbl(Db_meta_tbl meta) {engine.Ddl_create_tbl(meta); engine.Ddl_create_idx(Gfo_usr_dlg_.Noop, meta.Idxs());}
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public void Ddl_create_idx(Db_meta_idx... idxs) {engine.Ddl_create_idx(Gfo_usr_dlg_.I, idxs);}
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public void Ddl_create_idx(Gfo_usr_dlg usr_dlg, Db_meta_idx... idxs) {engine.Ddl_create_idx(usr_dlg, idxs);}
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public void Ddl_append_fld(String tbl, Db_meta_fld fld) {engine.Ddl_append_fld(tbl, fld);}
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public void Ddl_delete_tbl(String tbl) {engine.Ddl_delete_tbl(tbl);}
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public boolean Meta_tbl_exists(String tbl) {return engine.Meta_tbl_exists(tbl);}
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public boolean Meta_fld_exists(String tbl, String fld) {return engine.Meta_fld_exists(tbl, fld);}
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public void Rls_reg(RlsAble rls) {rls_list.Add(rls);}
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public void Rls_conn() {
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int len = rls_list.Count();
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for (int i = 0; i < len; ++i) {
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RlsAble itm = (RlsAble)rls_list.Get_at(i);
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itm.Rls();
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}
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engine.Conn_term();
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Db_conn_pool.I.Del(engine.Conn_info());
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}
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public int Exec_sql(String sql) {return this.Exec_qry(Db_qry_sql.dml_(sql));}
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public Db_rdr Exec_sql_as_rdr_v2(String sql) {return this.Stmt_new(Db_qry_sql.dml_(sql)).Exec_select__rls_auto();}
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public int Exec_sql_plog_ntx(String msg, String sql) {return Exec_sql_plog(Bool_.N, msg, sql);}
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public int Exec_sql_plog_txn(String msg, String sql) {return Exec_sql_plog(Bool_.Y, msg, sql);}
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public int Exec_sql_plog(boolean txn, String msg, String sql) {
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Gfo_usr_dlg_.I.Plog_many("", "", msg);
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if (txn) this.Txn_bgn();
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int rv = Exec_sql(sql);
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if (txn) this.Txn_end();
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Gfo_usr_dlg_.I.Plog_many("", "", "done:" + msg);
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return rv;
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}
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public int Exec_qry(Db_qry qry) {return Int_.cast_(engine.Exec_as_obj(qry));}
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public DataRdr Exec_qry_as_rdr(Db_qry qry) {return DataRdr_.cast_(engine.Exec_as_obj(qry));}
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public int Exec_sql_args(String sql, Object... args) {return this.Exec_qry(Db_qry_sql.dml_(String_.Format(sql, args)));}
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public DataRdr Exec_sql_as_rdr(String sql) {return this.Exec_qry_as_rdr(Db_qry_sql.rdr_(sql));}
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}
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