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53 lines
3.3 KiB
Java
53 lines
3.3 KiB
Java
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.dbs; import gplx.*;
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import gplx.dbs.metas.*; import gplx.dbs.sqls.*; import gplx.dbs.sqls.wtrs.*;
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public class Dbmeta_idx_itm {
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public Dbmeta_idx_itm(boolean unique, String tbl, String name, Dbmeta_idx_fld[] flds) {
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this.tbl = tbl; this.name = name; this.unique = unique; this.Flds = flds;
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}
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public String Tbl() {return tbl;} private final String tbl;
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public String Name() {return name;} private final String name;
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public boolean Unique() {return unique;} private final boolean unique;
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public final Dbmeta_idx_fld[] Flds;
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public String To_sql_create(Sql_qry_wtr sql_wtr) {return sql_wtr.Schema_wtr().Bld_create_idx(this);}
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public boolean Eq(Dbmeta_idx_itm comp) {
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return String_.Eq(name, comp.name)
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&& unique == comp.unique
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&& tbl == comp.tbl
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&& Dbmeta_idx_fld.Ary_eq(Flds, comp.Flds);
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}
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public static Dbmeta_idx_itm new_unique_by_name (String tbl, String name, String... flds) {return new Dbmeta_idx_itm(Bool_.Y, tbl, name, To_fld_ary(flds));}
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public static Dbmeta_idx_itm new_normal_by_name (String tbl, String name, Dbmeta_idx_fld... flds) {return new Dbmeta_idx_itm(Bool_.N, tbl, name, flds);}
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public static Dbmeta_idx_itm new_normal_by_name (String tbl, String name, String... flds) {return new Dbmeta_idx_itm(Bool_.N, tbl, name, To_fld_ary(flds));}
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public static Dbmeta_idx_itm new_unique_by_tbl (String tbl, String name, String... flds) {return new Dbmeta_idx_itm(Bool_.Y, tbl, Bld_idx_name(tbl, name), To_fld_ary(flds));}
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public static Dbmeta_idx_itm new_normal_by_tbl (String tbl, String name, Dbmeta_idx_fld... flds) {return new Dbmeta_idx_itm(Bool_.N, tbl, Bld_idx_name(tbl, name), flds);}
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public static Dbmeta_idx_itm new_normal_by_tbl (String tbl, String name, String... flds) {return new Dbmeta_idx_itm(Bool_.N, tbl, Bld_idx_name(tbl, name), To_fld_ary(flds));}
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public static Dbmeta_idx_itm new_unique_by_tbl_wo_null (String tbl, String name, String... flds) {return new Dbmeta_idx_itm(Bool_.Y, tbl, Bld_idx_name(tbl, name), To_fld_ary(flds));}
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public static Dbmeta_idx_itm new_normal_by_tbl_wo_null (String tbl, String name, String... flds) {return new Dbmeta_idx_itm(Bool_.N, tbl, Bld_idx_name(tbl, name), To_fld_ary(flds));}
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public static String Bld_idx_name(String tbl, String suffix) {return String_.Concat(tbl, "__", suffix);}
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public static final Dbmeta_idx_itm[] Ary_empty = new Dbmeta_idx_itm[0];
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public static Dbmeta_idx_fld[] To_fld_ary(String[] ary) {
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int len = ary.length;
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Dbmeta_idx_fld[] rv = new Dbmeta_idx_fld[len];
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for (int i = 0; i < len; ++i) {
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String itm = ary[i]; if (itm == null) continue;
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rv[i] = new Dbmeta_idx_fld(itm, Dbmeta_idx_fld.Sort_tid__none);
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}
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return rv;
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}
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}
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