public static Xob_db_file New__deletion_db(Xow_wiki wiki) {
String name =
String_.Format(
"{0}-file-deletion-{1}.xowa",
wiki.Domain_str(), Datetime_now.Get().XtoStr_fmt("yyyy.MM"));
return New(wiki.Fsys_mgr().Root_dir(), name);
}
public static Fsdb_db_mgr new_src_bin_db_mgr(Xow_wiki wiki, String version) {
String domain_str = wiki.Domain_str();
Fsdb_db_mgr rv = null;
Io_url url = null;
if (String_.Eq(version, "v1")) {
url =
wiki.Fsys_mgr()
.File_dir()
.OwnerDir()
.GenSubDir(domain_str + "-prv"); // v1: EX: /xowa/file/en.wikipedia.org-prv/
rv = new Fsdb_db_mgr__v1(url);
} else if (String_.Eq(version, "v2")) {
url = wiki.Fsys_mgr().Root_dir().GenSubDir("prv"); // v2: EX: /xowa/wiki/en.wikipedia.org/prv/
rv = Fsdb_db_mgr_.new_detect(wiki, url, url); // note that v2 is prioritized over v1
} else throw Err_.new_wo_type("fsdb.make:unknown fsdb_type", "version", version);
if (rv == null)
throw Err_.new_wo_type(
"fsdb.make:source fsdb not found", "version", version, "url", url.Raw());
return rv;
}
public static Xob_db_file New__img_link(Xow_wiki wiki) {
return New(wiki.Fsys_mgr().Root_dir(), "xowa.wiki.imglinks.sqlite3");
}
public static Xob_db_file New__page_file_map(Xow_wiki wiki) {
return New(wiki.Fsys_mgr().Root_dir(), wiki.Domain_str() + "-file-page_map.xowa");
}
public static Xob_db_file New__page_link(Xow_wiki wiki) {
return New(wiki.Fsys_mgr().Root_dir(), Name__page_link);
}
@Override
public void Cmd_run() {
wiki.Init_by_wiki();
Xow_db_file core_db = wiki.Data__core_mgr().Db__core();
Db_conn core_db_conn = core_db.Conn();
Gfo_usr_dlg usr_dlg = Gfo_usr_dlg_.Instance;
usr_dlg.Plog_many("", "", "creating page_filter");
if (!core_db_conn.Meta_tbl_exists("page_filter")) {
core_db_conn.Meta_tbl_create(
Dbmeta_tbl_itm.New(
"page_filter",
new Dbmeta_fld_itm[] {
Dbmeta_fld_itm.new_int("page_id").Primary_y_(),
Dbmeta_fld_itm.new_int("page_text_db_id")
},
Dbmeta_idx_itm.new_normal_by_tbl(
"page_filter", "db_id__page", "page_text_db_id", "page_id"),
Dbmeta_idx_itm.new_normal_by_tbl("page_filter", "page_id", "page_id")));
}
core_db_conn.Exec_sql_plog_ntx(
"finding missing redirects",
String_.Concat_lines_nl_skip_last(
"INSERT INTO page_filter (page_id, page_text_db_id)",
"SELECT ptr.page_id, ptr.page_text_db_id",
"FROM page ptr",
" LEFT JOIN page orig ON ptr.page_redirect_id = orig.page_id",
"WHERE ptr.page_is_redirect = 1",
"AND orig.page_id IS NULL",
"UNION",
"SELECT ptr.page_id, ptr.page_text_db_id",
"FROM page ptr",
"WHERE ptr.page_is_redirect = 1",
"AND ptr.page_redirect_id = -1",
";"));
try {
Xow_db_file[] db_file_ary =
core_db.Tbl__db().Select_all(wiki.Data__core_mgr().Props(), wiki.Fsys_mgr().Root_dir());
int len = db_file_ary.length;
for (int i = 0; i < len; ++i) {
boolean db_file_is_text = Bool_.N, db_file_is_cat = Bool_.N, db_file_is_search = Bool_.N;
Xow_db_file db_file = db_file_ary[i];
switch (db_file.Tid()) {
case Xow_db_file_.Tid__core:
case Xow_db_file_.Tid__wiki_solo:
case Xow_db_file_.Tid__text_solo:
if (wiki.Data__core_mgr().Props().Layout_text().Tid_is_lot())
continue; // if mode is lot, then "core" db does not have text, cat, search; skip;
// DATE:2016-01-31
db_file_is_text = db_file_is_cat = db_file_is_search = Bool_.Y;
break;
case Xow_db_file_.Tid__text:
db_file_is_text = Bool_.Y;
break;
case Xow_db_file_.Tid__cat:
db_file_is_cat = Bool_.Y;
break;
case Xow_db_file_.Tid__search_core:
db_file_is_search = Bool_.Y;
break;
}
int db_id = db_file.Id();
if (db_file_is_text)
Run_sql(
core_db_conn,
db_file.Url(),
db_id,
"deleting text: " + db_id,
"DELETE FROM <data_db>text WHERE page_id IN (SELECT page_id FROM page_filter WHERE page_text_db_id = {0});");
if (db_file_is_cat)
Run_sql(
core_db_conn,
db_file.Url(),
db_id,
"deleting cat: " + db_id,
"DELETE FROM <data_db>cat_link WHERE cl_from IN (SELECT page_id FROM page_filter);");
if (db_file_is_search)
Run_sql(
core_db_conn,
db_file.Url(),
db_id,
"deleting search:" + db_id,
"DELETE FROM <data_db>search_link WHERE page_id IN (SELECT page_id FROM page_filter);");
if (db_file_is_text || db_file_is_cat || db_file_is_search) db_file.Conn().Env_vacuum();
}
} catch (Exception e) {
Gfo_usr_dlg_.Instance.Warn_many(
"", "", "fatal error during page deletion: err=~{0}", Err_.Message_gplx_log(e));
}
core_db_conn.Exec_sql_plog_ntx(
"deleting from table: page",
"DELETE FROM page WHERE page_id IN (SELECT page_id FROM page_filter);");
// core_db_conn.Meta_tbl_delete("page_filter");
core_db_conn.Env_vacuum();
usr_dlg.Plog_many("", "", "");
}