137 lines
2.5 KiB
Markdown
137 lines
2.5 KiB
Markdown
# Les procédures
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Les procédures permettent d'exécuter plusieurs opérations en un seul appel dans un bloc de code
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Si une erreur survient **rien** n'est enregistré
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## Banque
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```sql
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create or replace procedure add_bank (
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name text
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)
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language plpgsql
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as $$
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declare
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v_holder_id bigint;
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begin
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insert into holder(type) values ('BANK')
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returning id into v_holder_id;
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insert into bank(id, name)
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values (v_holder_id, name);
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raise notice 'Titulaire créé : % = %',
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v_holder_id, name;
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end;
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$$;
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```
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## Individu
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```sql
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create or replace procedure add_person (
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p_firstname text,
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p_lastname text,
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p_birthdate date
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)
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language plpgsql
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as $$
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declare
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v_holder_id bigint;
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begin
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insert into holder(type) values ('PERSON')
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returning id into v_holder_id;
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insert into person(id, firstname, lastname, birthdate)
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values (v_holder_id, p_firstname, p_lastname, p_birthdate);
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raise notice 'Titulaire créé : % = % %',
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v_holder_id, p_firstname, p_lastname;
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end;
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$$;
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```
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```sql
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call add_person('Françoise', 'Zanetti', '1995-04-12');
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call add_person('Justin', 'Hébrard', '1993-03-11');
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```
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## Société
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```sql
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create or replace procedure add_company (
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p_name text,
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p_registration_number text,
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p_created_at date
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)
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language plpgsql
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as $$
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declare
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v_holder_id bigint;
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begin
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insert into holder(type) values ('COMPANY')
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returning id into v_holder_id;
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insert into company(id, name, registration_number, created_at)
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values (v_holder_id, p_name, p_registration_number, p_created_at);
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raise notice 'Titulaire créé : % = % %',
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v_holder_id, p_name, p_registration_number;
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end;
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$$;
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```
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```sql
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call add_company('Boulangerie de Valorgue', 'FR19803269968', '2014-08-19');
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```
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## d et r
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```sql
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create or replace procedure add_depot (
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p_account_id bigint,
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p_amount decimal
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)
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language plpgsql
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as $$
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declare
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v_id bigint;
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begin
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insert into transaction (amount)
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values (p_amount)
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returning id into v_id;
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insert into operation (transaction_id, account_id, amount, direction)
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values (v_id, p_account_id, p_amount, 'CREDIT');
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raise notice 'Dépôt de % sur le compte %', p_amount, p_account_id;
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end;
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$$;
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```
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```sql
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create or replace procedure add_retrait (
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p_account_id bigint,
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p_amount decimal
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)
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language plpgsql
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as $$
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declare
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v_id bigint;
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begin
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insert into transaction (amount)
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values (p_amount)
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returning id into v_id;
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insert into operation (transaction_id, account_id, amount, direction)
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values (v_id, p_account_id, p_amount, 'DEBIT');
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raise notice 'Retrait de % sur le compte %', p_amount, p_account_id;
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end;
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$$;
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```
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