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feat: allow reloading config with NOTIFY

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Enables reloading the config by doing:
NOTIFY pgrst, 'reload config'

Adds an alias for reloading the schema cache:
NOTIFY pgrst, 'reload schema'
This commit is contained in:
steve-chavez
2021-01-19 13:49:40 -05:00
committed by Steve Chavez
parent 9c005fc683
commit 125ea8f6d9
5 changed files with 111 additions and 34 deletions
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test/fixtures/roles.sql
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+1 -1
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@@ -17,7 +17,7 @@ ALTER ROLE postgrest_test_authenticator SET pgrst."db-tx-end" = 'commit-allow-ov
ALTER ROLE postgrest_test_authenticator SET pgrst."db-schemas" = 'test, tenant1, tenant2';
ALTER ROLE postgrest_test_authenticator SET pgrst."db-root-spec" = 'root';
ALTER ROLE postgrest_test_authenticator SET pgrst."db-prepared-statements" = 'false';
ALTER ROLE postgrest_test_authenticator SET pgrst."db-pre-request" = 'custom_headers';
ALTER ROLE postgrest_test_authenticator SET pgrst."db-pre-request" = 'test.custom_headers';
ALTER ROLE postgrest_test_authenticator SET pgrst."db-max-rows" = '1000';
ALTER ROLE postgrest_test_authenticator SET pgrst."db-extra-search-path" = 'public, extensions';
test/fixtures/schema.sql
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+25 -1
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@@ -1925,9 +1925,33 @@ $$ language sql;
create view prepared_statements as
select * from pg_catalog.pg_prepared_statements;
create or replace function change_max_rows_config(val int) returns void as $_$
create or replace function change_max_rows_config(val int, notify bool default false) returns void as $_$
begin
execute format($$
alter role postgrest_test_authenticator set pgrst."db-max-rows" = %L;
$$, val);
if notify then
perform pg_notify('pgrst', 'reload config');
end if;
end $_$ volatile security definer language plpgsql ;
create or replace function reset_max_rows_config() returns void as $_$
begin
alter role postgrest_test_authenticator set pgrst."db-max-rows" = '1000';
end $_$ volatile security definer language plpgsql ;
create or replace function change_db_schema_and_full_reload(schemas text) returns void as $_$
begin
execute format($$
alter role postgrest_test_authenticator set pgrst."db-schemas" = %L;
$$, schemas);
perform pg_notify('pgrst', 'reload config');
perform pg_notify('pgrst', 'reload schema');
end $_$ volatile security definer language plpgsql ;
create or replace function v1.reset_db_schema_config() returns void as $_$
begin
alter role postgrest_test_authenticator set pgrst."db-schemas" = 'test';
perform pg_notify('pgrst', 'reload config');
perform pg_notify('pgrst', 'reload schema');
end $_$ volatile security definer language plpgsql ;