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Diffstat (limited to 'src/exchangedb/0002-policy_fulfillments.sql')
-rw-r--r-- | src/exchangedb/0002-policy_fulfillments.sql | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/exchangedb/0002-policy_fulfillments.sql b/src/exchangedb/0002-policy_fulfillments.sql new file mode 100644 index 000000000..c00947019 --- /dev/null +++ b/src/exchangedb/0002-policy_fulfillments.sql @@ -0,0 +1,101 @@ +-- +-- This file is part of TALER +-- Copyright (C) 2014--2022 Taler Systems SA +-- +-- TALER is free software; you can redistribute it and/or modify it under the +-- terms of the GNU General Public License as published by the Free Software +-- Foundation; either version 3, or (at your option) any later version. +-- +-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY +-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR +-- A PARTICULAR PURPOSE. See the GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License along with +-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> +-- + +-- @author: Özgür Kesim + +CREATE FUNCTION create_table_policy_fulfillments( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'policy_fulfillments'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I ' + '(h_fulfillment_proof gnunet_hashcode PRIMARY KEY' + ',fulfillment_id BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',fulfillment_timestamp INT8 NOT NULL' + ',fulfillment_proof TEXT' + ',policy_hash_codes gnunet_hashcode[] NOT NULL' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (h_fulfillment_proof)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Proofs of fulfillment of policies that were set in deposits' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Timestamp of the arrival of a proof of fulfillment' + ,'fulfillment_timestamp' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'JSON object with a proof of the fulfillment of a policy. Supported details depend on the policy extensions supported by the exchange.' + ,'fulfillment_proof' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Hash of the fulfillment_proof' + ,'h_fulfillment_proof' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Array of the policy_hash_code''s of all policy_details that are fulfilled by this proof' + ,'policy_hash_codes' + ,table_name + ,partition_suffix + ); +END +$$; + +COMMENT ON FUNCTION create_table_policy_fulfillments + IS 'Creates the policy_fulfillments table'; + +CREATE FUNCTION constrain_table_policy_fulfillments( + IN partition_suffix TEXT +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + partition_name TEXT; +BEGIN + partition_name = concat_ws('_', 'policy_fulfillments', partition_suffix); + + EXECUTE FORMAT ( + 'ALTER TABLE ' || partition_name || + ' ADD CONSTRAINT ' || partition_name || '_serial_id ' + ' UNIQUE (h_fulfillment_proof, fulfillment_id)' + ); +END +$$; +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) +VALUES + ('policy_fulfillments', 'exchange-0002', 'create', TRUE ,FALSE), + ('policy_fulfillments', 'exchange-0002', 'constrain', TRUE ,FALSE); |