tww.tww

Parameters

Name	Type	Mode
pevent_id	integer	IN

Definition

DECLARE
  query text;
BEGIN
    with
    event as (
        select * from tww_sys.logged_actions where event_id = pevent_id
    )
    -- get primary key names
    , where_pks as (
        select array_to_string(array_agg(uid_column || '=' || quote_literal(row_data->uid_column)), ' AND ') as where_clause
          from tww_sys.logged_relations r
          join event on relation_name = (schema_name || '.' || table_name)
    )
    select into query
        case
            when action = 'I' then
                'INSERT INTO ' || schema_name || '.' || table_name ||
                ' ('||(select string_agg(key, ',') from each(row_data))||') VALUES ' ||
                '('||(select string_agg(case when value is null then 'null' else quote_literal(value) end, ',') from each(row_data))||')'
            when action = 'D' then
                'DELETE FROM ' || schema_name || '.' || table_name ||
                ' WHERE ' || where_clause
            when action = 'U' then
                'UPDATE ' || schema_name || '.' || table_name ||
                ' SET ' || (select string_agg(key || '=' || case when value is null then 'null' else quote_literal(value) end, ',') from each(changed_fields)) ||
                ' WHERE ' || where_clause
        end
    from
        event, where_pks
    ;

execute query;
END;

replay_event(pevent_id integer)

Description

Parameters

Definition