public void Special__gen(Xoa_app app, Xow_wiki wiki, Xoa_page page, Xoa_url url, Xoa_ttl ttl) {
int slash_pos =
Bry_find_.Find_fwd(ttl.Page_txt_wo_qargs(), Xoa_ttl.Subpage_spr); // check for slash
byte[] special_name =
slash_pos == Bry_find_.Not_found
? ttl
.Base_txt_wo_qarg() // no slash found; use base_txt; ignore qry args and just get
// page_names; EX: Search/Earth?fulltext=y;
// Allpages?from=Earth...
: Bry_.Mid(
ttl.Page_txt_wo_qargs(),
0,
slash_pos); // slash found; use root page; EX: Special:ItemByTitle/enwiki/Earth
special_name =
Xoa_ttl.Replace_spaces(special_name); // handle spaces; EX:Spezial:Zufällige_Seite
Xow_special_page special = (Xow_special_page) hash.Get_by_bry(special_name);
if (special != null) { // special found; generate it;
special = special.Special__clone();
page.Db().Page().Modified_on_(Datetime_now.Get());
try {
special.Special__gen(wiki, page, url, ttl);
} catch (Exception e) {
Gfo_log_.Instance.Warn(
"failed to generate special page",
"url",
url.To_str(),
"err",
Err_.Message_gplx_log(e));
}
}
}
@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("", "", "");
}
private void Init(Db_engine engine) {
init = false;
tbl_mgr.Clear();
idx_mgr.Clear();
Dbmeta_parser__tbl tbl_parser = new Dbmeta_parser__tbl();
Dbmeta_parser__idx idx_parser = new Dbmeta_parser__idx();
Db_qry__select_in_tbl qry =
Db_qry__select_in_tbl.new_(
"sqlite_master",
String_.Ary_empty,
String_.Ary("type", "name", "sql"),
Db_qry__select_in_tbl.Order_by_null);
Db_rdr rdr = engine.Stmt_by_qry(qry).Exec_select__rls_auto();
try {
Gfo_usr_dlg_.Instance.Log_many(
"", "", "db.schema.load.bgn: conn=~{0}", engine.Conn_info().Db_api());
while (rdr.Move_next()) {
String type_str = rdr.Read_str("type");
String name = rdr.Read_str("name");
String sql = rdr.Read_str("sql");
try {
int type_int = Dbmeta_itm_tid.Xto_int(type_str);
switch (type_int) {
case Dbmeta_itm_tid.Tid_table:
if (String_.Has_at_bgn(name, "sqlite_"))
continue; // ignore b/c of non-orthodox syntax; EX: "CREATE TABLE
// sqlite_sequence(name, seq)"; also "CREATE TABLE
// sqlite_stat(tbl,idx,stat)";
tbl_mgr.Add(tbl_parser.Parse(Bry_.new_u8(sql)));
break;
case Dbmeta_itm_tid.Tid_index:
if (sql == null)
continue; // ignore "autoindex"; EX: sqlite_autoindex_temp_page_len_avg_1
idx_mgr.Add(idx_parser.Parse(Bry_.new_u8(sql)));
break;
default:
Gfo_usr_dlg_.Instance.Log_many(
"",
"",
"db.schema.unknown type: conn=~{0} type=~{1} name=~{2} sql=~{3}",
engine.Conn_info().Db_api(),
type_str,
name,
sql);
break;
}
} catch (
Exception
e) { // tables / indexes may be unparseable; skip them; EX: CREATE TABLE unparseable
// (col_1 /*comment*/ int); DATE:2016-06-08
Gfo_usr_dlg_.Instance.Log_many(
"",
"",
"db.schema.unparseable: conn=~{0} type=~{1} name=~{2} sql=~{3} err=~{4}",
engine.Conn_info().Db_api(),
type_str,
name,
sql,
Err_.Message_gplx_log(e));
}
}
} finally {
rdr.Rls();
}
}