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-rw-r--r--src/exchangedb/exchange-0003.sql75
1 files changed, 0 insertions, 75 deletions
diff --git a/src/exchangedb/exchange-0003.sql b/src/exchangedb/exchange-0003.sql
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--- a/src/exchangedb/exchange-0003.sql
+++ /dev/null
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---
--- This file is part of TALER
--- Copyright (C) 2021 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/>
---
-
--- Everything in one big transaction
-BEGIN;
-
--- Check patch versioning is in place.
-SELECT _v.register_patch('exchange-0003', NULL, NULL);
-
-
-
-ALTER TABLE deposits
- ADD COLUMN shard INT4 NOT NULL DEFAULT 0;
-COMMENT ON COLUMN deposits.shard
- IS 'Used for load sharding. Should be set based on h_wire, merchant_pub and a service salt. Default of 0 onlyapplies for columns migrated from a previous version without sharding support. 64-bit value because we need an *unsigned* 32-bit value.';
-
-DROP INDEX deposits_get_ready_index;
-CREATE INDEX deposits_get_ready_index
- ON deposits
- (shard
- ,tiny
- ,done
- ,wire_deadline
- ,refund_deadline
- );
-COMMENT ON INDEX deposits_get_ready_index
- IS 'for deposits_get_ready';
-
-
-
-CREATE UNLOGGED TABLE IF NOT EXISTS revolving_work_shards
- (shard_serial_id BIGSERIAL UNIQUE
- ,last_attempt INT8 NOT NULL
- ,start_row INT4 NOT NULL
- ,end_row INT4 NOT NULL
- ,active BOOLEAN NOT NULL DEFAULT FALSE
- ,job_name VARCHAR NOT NULL
- ,PRIMARY KEY (job_name, start_row)
- );
-CREATE INDEX IF NOT EXISTS revolving_work_shards_index
- ON revolving_work_shards
- (job_name
- ,active
- ,last_attempt
- );
-COMMENT ON TABLE revolving_work_shards
- IS 'coordinates work between multiple processes working on the same job with partitions that need to be repeatedly processed; unlogged because on system crashes the locks represented by this table will have to be cleared anyway, typically using "taler-exchange-dbinit -s"';
-COMMENT ON COLUMN revolving_work_shards.shard_serial_id
- IS 'unique serial number identifying the shard';
-COMMENT ON COLUMN revolving_work_shards.last_attempt
- IS 'last time a worker attempted to work on the shard';
-COMMENT ON COLUMN revolving_work_shards.active
- IS 'set to TRUE when a worker is active on the shard';
-COMMENT ON COLUMN revolving_work_shards.start_row
- IS 'row at which the shard scope starts, inclusive';
-COMMENT ON COLUMN revolving_work_shards.end_row
- IS 'row at which the shard scope ends, exclusive';
-COMMENT ON COLUMN revolving_work_shards.job_name
- IS 'unique name of the job the workers on this shard are performing';
-
--- Complete transaction
-COMMIT;