lahmanlite/sql/parkaliases.sql

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/*
Copyright (C) 2024 filifa
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
*/
pragma foreign_keys = 0;
begin;
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attach database 'lahman-raw.db' as 'raw';
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create temp table if not exists "parkaliases" (
"parkID" text,
"alias" text
);
-- split aliases by semicolon
with recursive aliases(parkid, alias) as (
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select "parkkey", "parkalias" from "raw"."parks"
union
select parkid, trim(substr(alias, instr(alias, ";") + 1)) as a
from aliases
where a != ''
) insert into parkaliases
select parkid, case instr(alias, ";")
when 0 then alias
else trim(substr(alias, 1, instr(alias, ";") - 1)) end as a
from aliases
where a != '';
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CREATE TABLE IF NOT EXISTS main."parkaliases" (
"park" TEXT,
"alias" TEXT,
PRIMARY KEY("park","alias"),
foreign key("park") references "parks"("ID")
);
insert into main."parkaliases" select distinct * from temp."parkaliases";
commit;