Created
April 11, 2021 05:12
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Exemplo de tabela para fazer log de inclusão e exclusão de registros
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-- schema and data test | |
create table log_table | |
( id integer, | |
tipo varchar2(30), | |
usuario integer, | |
setor integer, | |
data_inclusao date, | |
data_exclusao date, | |
id_anterior integer, | |
status_atual integer | |
); | |
insert into log_table values (42, 'Atendente', 1, 51, to_date('2017-11-01','yyyy-mm-dd'), null,null, 1); | |
insert into log_table values (43, 'Atendente', 2, 52, to_date('2017-11-01','yyyy-mm-dd'), null,null, 1); | |
insert into log_table values (44, 'Atendente', 3, 53, to_date('2017-11-01','yyyy-mm-dd'), null,null, 1); | |
-- na tabela de permissoes, usar insert if not exists e, somente se retornar 1 linha, gravar o log | |
-- excluir | |
update log_table set data_exclusao = sysdate | |
where tipo = 'Atendente' and usuario = 2 and setor = 52 and data_exclusao is null | |
/ | |
-- excluir | |
update log_table set data_exclusao = sysdate | |
where tipo = 'Atendente' and usuario = 3 and setor = 53 and data_exclusao is null | |
/ | |
-- incluir | |
DECLARE | |
ultimo_registro log_table%ROWTYPE; | |
BEGIN | |
select * into ultimo_registro from log_table | |
where id in (select max(id) from log_table | |
where tipo = 'Atendente' and usuario = 3 and setor = 53); | |
if ultimo_registro.data_exclusao is not null then | |
insert into log_table values ((select max(id)+1 from log_table),'Atendente', | |
3, 53, to_date('2017-11-02','yyyy-mm-dd'), null, ultimo_registro.id, 1); | |
update log_table set status_atual = 0 where id = ultimo_registro.id; | |
end if; | |
EXCEPTION | |
WHEN NO_DATA_FOUND THEN | |
insert into log_table values ((select max(id)+1 from log_table),'Atendente', | |
3, 53, to_date('2017-11-02','yyyy-mm-dd'), null, null, 1); | |
END; | |
/ | |
select * from log_table order by id | |
/ |
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