mirror of
https://github.com/matrix-org/dendrite.git
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af4219f38e
* - Implement Cosmos for the devices_table - Use the ConnectionString in the YAML to include the Tenant - Revert all other non implemented tables back to use SQLLite3 * - Change the Config to use "test.criticicalarc.com" Container - Add generic function GetDocumentOrNil to standardize GetDocument - Add func to return CrossPartition queries for Aggregates - Add func GetNextSequence() as generic seq generator for AutoIncrement - Add cosmosdbutil.ErrNoRows to return (emulate) sql.ErrNoRows - Add a "fake" ExclusiveWriterFake - Add standard "getXX", "setXX" and "queryXX" to all TABLE class files - Add specific Table SEQ for the Events table - Add specific Table SEQ for the Rooms table - Add specific Table SEQ for the StateSnapshot table * - Use CosmosDB for the KeyServer - Replace the ConnString in the YAML to Cosmos - Update the 4 tables to use Cosmos * - Add SEQ for Event and Counters - Replace SQLLite with Cosmos in Config and Code * - Fix typo
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// Copyright 2018 New Vector Ltd
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// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cosmosdb
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import (
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"context"
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"database/sql"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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)
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// const txnIDSchema = `
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// -- Keeps a count of the current transaction ID
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// CREATE TABLE IF NOT EXISTS appservice_counters (
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// name TEXT PRIMARY KEY NOT NULL,
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// last_id INTEGER DEFAULT 1
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// );
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// INSERT OR IGNORE INTO appservice_counters (name, last_id) VALUES('txn_id', 1);
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// `
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// const selectTxnIDSQL = `
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// SELECT last_id FROM appservice_counters WHERE name='txn_id';
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// UPDATE appservice_counters SET last_id=last_id+1 WHERE name='txn_id';
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// `
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type txnStatements struct {
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db *Database
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writer sqlutil.Writer
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selectTxnIDStmt *sql.Stmt
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tableName string
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}
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func (s *txnStatements) prepare(db *Database, writer sqlutil.Writer) (err error) {
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s.db = db
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s.writer = writer
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//Only used for the seq generation
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s.tableName = "counters"
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return
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}
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// selectTxnID selects the latest ascending transaction ID
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func (s *txnStatements) selectTxnID(
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ctx context.Context,
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) (txnID int, err error) {
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return GetNextCounterTXNID(s, ctx)
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}
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