ipld-eth-server/db/migrations/00012_potgraphile_triggers.sql

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MySQL
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2020-10-21 02:12:25 +00:00
-- +goose Up
-- +goose StatementBegin
CREATE FUNCTION eth.graphql_subscription() returns TRIGGER as $$
declare
table_name text = TG_ARGV[0];
attribute text = TG_ARGV[1];
id text;
begin
execute 'select $1.' || quote_ident(attribute)
using new
into id;
perform pg_notify('postgraphile:' || table_name,
json_build_object(
'__node__', json_build_array(
table_name,
id
)
)::text
);
return new;
end;
$$ language plpgsql;
-- +goose StatementEnd
CREATE TRIGGER header_cids_ai
after INSERT ON eth.header_cids
for each row
execute procedure eth.graphql_subscription('header_cids', 'id');
CREATE TRIGGER receipt_cids_ai
after INSERT ON eth.receipt_cids
for each row
execute procedure eth.graphql_subscription('receipt_cids', 'id');
CREATE TRIGGER state_accounts_ai
after INSERT ON eth.state_accounts
for each row
execute procedure eth.graphql_subscription('state_accounts', 'id');
CREATE TRIGGER state_cids_ai
after INSERT ON eth.state_cids
for each row
execute procedure eth.graphql_subscription('state_cids', 'id');
CREATE TRIGGER storage_cids_ai
after INSERT ON eth.storage_cids
for each row
execute procedure eth.graphql_subscription('storage_cids', 'id');
CREATE TRIGGER transaction_cids_ai
after INSERT ON eth.transaction_cids
for each row
execute procedure eth.graphql_subscription('transaction_cids', 'id');
CREATE TRIGGER uncle_cids_ai
after INSERT ON eth.uncle_cids
for each row
execute procedure eth.graphql_subscription('uncle_cids', 'id');
-- +goose Down
DROP TRIGGER uncle_cids_ai ON eth.uncle_cids;
DROP TRIGGER transaction_cids_ai ON eth.transaction_cids;
DROP TRIGGER storage_cids_ai ON eth.storage_cids;
DROP TRIGGER state_cids_ai ON eth.state_cids;
DROP TRIGGER state_accounts_ai ON eth.state_accounts;
DROP TRIGGER receipt_cids_ai ON eth.receipt_cids;
DROP TRIGGER header_cids_ai ON eth.header_cids;
DROP FUNCTION eth.graphql_subscription();