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52 lines
2.3 KiB
Java
52 lines
2.3 KiB
Java
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/*
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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.engines; import gplx.*; import gplx.dbs.*;
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import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.sqls.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.bats.*;
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public interface Db_engine {
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String Tid();
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Db_conn_info Conn_info();
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Db_conn_props_mgr Props();
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Db_batch_mgr Batch_mgr();
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Sql_qry_wtr Sql_wtr();
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Db_engine New_clone(Db_conn_info conn_info);
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void Conn_open();
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void Conn_term();
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void Txn_bgn(String name); // NOTE: sqlite has different transaction semantics with SAVEPOINT
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String Txn_end();
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void Txn_cxl();
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void Txn_sav();
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void Meta_tbl_create(Dbmeta_tbl_itm meta);
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void Meta_tbl_delete(String tbl);
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void Meta_fld_append(String tbl, Dbmeta_fld_itm fld);
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void Meta_idx_create(Gfo_usr_dlg usr_dlg, Dbmeta_idx_itm... ary);
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void Meta_idx_delete(String idx);
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Dbmeta_tbl_mgr Meta_mgr();
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boolean Meta_tbl_exists(String tbl);
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boolean Meta_fld_exists(String tbl, String fld);
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boolean Meta_idx_exists(String idx);
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Object Exec_as_obj(Db_qry qry);
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Db_rdr Exec_as_rdr__rls_manual (Object rdr_obj, String sql); // Object o:ResultSet if desktop; Cursor if android
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Db_rdr Exec_as_rdr__rls_auto (Db_stmt stmt, Object rdr_obj, String sql); // Object o:ResultSet if desktop; Cursor if android
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Db_stmt Stmt_by_qry(Db_qry qry);
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Object Stmt_by_sql(String sql);
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void Env_db_attach(String alias, Db_conn conn);
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void Env_db_attach(String alias, Io_url db_url);
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void Env_db_detach(String alias);
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DataRdr New_rdr(java.sql.ResultSet rdr, String sql);
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}
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