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function for de-normalization

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Robin Appelman 2020-04-05 14:22:43 +02:00
commit 1d2eb86bcb
1 changed files with 18 additions and 1 deletions
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19
schema.sql
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@ -36,4 +36,21 @@ END; $$
CREATE INDEX logs_raw_players_idx CREATE INDEX logs_raw_players_idx
ON logs_raw USING GIN (extract_players(json)); ON logs_raw USING GIN (extract_players(json));
-- usage: select id from logs_raw where extract_players(json) @> ARRAY['[U:1:64229260]']; -- usage: select id from logs_raw where extract_players(json) @> ARRAY['[U:1:64229260]'];
-- convert a normalized steamid into the format used in the provided json
CREATE FUNCTION un_normalize_steam_id(steamid TEXT, log JSONB) RETURNS TEXT AS $$
DECLARE
player TEXT;
BEGIN
FOR player in SELECT jsonb_object_keys(log->'players')
LOOP
IF normalize_steam_id(player) = steamid THEN RETURN player; END IF;
END LOOP;
RETURN '';
END; $$
LANGUAGE PLPGSQL IMMUTABLE;
-- example: SELECT id, json->'players'->un_normalize_steam_id('[U:1:64229260]', json)->'drops' from logs_raw where extract_players(json) @> ARRAY['[U:1:64229260]'];