mirror of
https://github.com/1f349/dendrite.git
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928c8c8c4a
This now should actually speed up startup times. This is because _many_ rooms (like DMs) don't have room ACLs, this means that we had around 95% pointless DB queries. (as queried on d.m.org)
615 lines
24 KiB
Go
615 lines
24 KiB
Go
// Copyright 2017-2018 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 postgres
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import (
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"context"
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"database/sql"
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"fmt"
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"sort"
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"github.com/lib/pq"
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"github.com/matrix-org/dendrite/internal"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/storage/postgres/deltas"
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"github.com/matrix-org/dendrite/roomserver/storage/tables"
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"github.com/matrix-org/dendrite/roomserver/types"
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)
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const eventsSchema = `
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-- The events table holds metadata for each event, the actual JSON is stored
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-- separately to keep the size of the rows small.
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CREATE SEQUENCE IF NOT EXISTS roomserver_event_nid_seq;
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CREATE TABLE IF NOT EXISTS roomserver_events (
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-- Local numeric ID for the event.
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event_nid BIGINT PRIMARY KEY DEFAULT nextval('roomserver_event_nid_seq'),
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-- Local numeric ID for the room the event is in.
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-- This is never 0.
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room_nid BIGINT NOT NULL,
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-- Local numeric ID for the type of the event.
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-- This is never 0.
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event_type_nid BIGINT NOT NULL,
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-- Local numeric ID for the state_key of the event
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-- This is 0 if the event is not a state event.
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event_state_key_nid BIGINT NOT NULL,
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-- Whether the event has been written to the output log.
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sent_to_output BOOLEAN NOT NULL DEFAULT FALSE,
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-- Local numeric ID for the state at the event.
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-- This is 0 if we don't know the state at the event.
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-- If the state is not 0 then this event is part of the contiguous
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-- part of the event graph
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-- Since many different events can have the same state we store the
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-- state into a separate state table and refer to it by numeric ID.
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state_snapshot_nid BIGINT NOT NULL DEFAULT 0,
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-- Depth of the event in the event graph.
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depth BIGINT NOT NULL,
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-- The textual event id.
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-- Used to lookup the numeric ID when processing requests.
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-- Needed for state resolution.
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-- An event may only appear in this table once.
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event_id TEXT NOT NULL CONSTRAINT roomserver_event_id_unique UNIQUE,
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-- A list of numeric IDs for events that can authenticate this event.
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auth_event_nids BIGINT[] NOT NULL,
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is_rejected BOOLEAN NOT NULL DEFAULT FALSE
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);
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-- Create an index which helps in resolving membership events (event_type_nid = 5) - (used for history visibility)
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CREATE INDEX IF NOT EXISTS roomserver_events_memberships_idx ON roomserver_events (room_nid, event_state_key_nid) WHERE (event_type_nid = 5);
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-- The following indexes are used by bulkSelectStateEventByNIDSQL
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CREATE INDEX IF NOT EXISTS roomserver_event_event_type_nid_idx ON roomserver_events (event_type_nid);
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CREATE INDEX IF NOT EXISTS roomserver_event_state_key_nid_idx ON roomserver_events (event_state_key_nid);
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`
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const insertEventSQL = "" +
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"INSERT INTO roomserver_events AS e (room_nid, event_type_nid, event_state_key_nid, event_id, auth_event_nids, depth, is_rejected)" +
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" VALUES ($1, $2, $3, $4, $5, $6, $7)" +
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" ON CONFLICT ON CONSTRAINT roomserver_event_id_unique DO UPDATE" +
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" SET is_rejected = $7 WHERE e.event_id = $4 AND e.is_rejected = TRUE" +
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" RETURNING event_nid, state_snapshot_nid"
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const selectEventSQL = "" +
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"SELECT event_nid, state_snapshot_nid FROM roomserver_events WHERE event_id = $1"
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const bulkSelectSnapshotsForEventIDsSQL = "" +
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"SELECT event_id, state_snapshot_nid FROM roomserver_events WHERE event_id = ANY($1)"
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// Bulk lookup of events by string ID.
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// Sort by the numeric IDs for event type and state key.
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// This means we can use binary search to lookup entries by type and state key.
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const bulkSelectStateEventByIDSQL = "" +
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"SELECT event_type_nid, event_state_key_nid, event_nid FROM roomserver_events" +
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" WHERE event_id = ANY($1)" +
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" ORDER BY event_type_nid, event_state_key_nid ASC"
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// Bulk lookup of events by string ID that aren't excluded.
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// Sort by the numeric IDs for event type and state key.
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// This means we can use binary search to lookup entries by type and state key.
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const bulkSelectStateEventByIDExcludingRejectedSQL = "" +
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"SELECT event_type_nid, event_state_key_nid, event_nid FROM roomserver_events" +
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" WHERE event_id = ANY($1) AND is_rejected = FALSE" +
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" ORDER BY event_type_nid, event_state_key_nid ASC"
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// Bulk look up of events by event NID, optionally filtering by the event type
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// or event state key NIDs if provided. (The CARDINALITY check will return true
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// if the provided arrays are empty, ergo no filtering).
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const bulkSelectStateEventByNIDSQL = "" +
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"SELECT event_type_nid, event_state_key_nid, event_nid FROM roomserver_events" +
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" WHERE event_nid = ANY($1)" +
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" AND (CARDINALITY($2::bigint[]) = 0 OR event_type_nid = ANY($2))" +
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" AND (CARDINALITY($3::bigint[]) = 0 OR event_state_key_nid = ANY($3))" +
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" ORDER BY event_type_nid, event_state_key_nid ASC"
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const bulkSelectStateAtEventByIDSQL = "" +
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"SELECT event_type_nid, event_state_key_nid, event_nid, state_snapshot_nid, is_rejected FROM roomserver_events" +
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" WHERE event_id = ANY($1)"
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const updateEventStateSQL = "" +
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"UPDATE roomserver_events SET state_snapshot_nid = $2 WHERE event_nid = $1"
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const selectEventSentToOutputSQL = "" +
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"SELECT sent_to_output FROM roomserver_events WHERE event_nid = $1"
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const updateEventSentToOutputSQL = "" +
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"UPDATE roomserver_events SET sent_to_output = TRUE WHERE event_nid = $1"
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const selectEventIDSQL = "" +
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"SELECT event_id FROM roomserver_events WHERE event_nid = $1"
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const bulkSelectStateAtEventAndReferenceSQL = "" +
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"SELECT event_type_nid, event_state_key_nid, event_nid, state_snapshot_nid, event_id" +
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" FROM roomserver_events WHERE event_nid = ANY($1)"
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const bulkSelectEventIDSQL = "" +
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"SELECT event_nid, event_id FROM roomserver_events WHERE event_nid = ANY($1)"
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const bulkSelectEventNIDSQL = "" +
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"SELECT event_id, event_nid, room_nid FROM roomserver_events WHERE event_id = ANY($1)"
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const bulkSelectUnsentEventNIDSQL = "" +
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"SELECT event_id, event_nid, room_nid FROM roomserver_events WHERE event_id = ANY($1) AND sent_to_output = FALSE"
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const selectMaxEventDepthSQL = "" +
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"SELECT COALESCE(MAX(depth) + 1, 0) FROM roomserver_events WHERE event_nid = ANY($1)"
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const selectRoomNIDsForEventNIDsSQL = "" +
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"SELECT event_nid, room_nid FROM roomserver_events WHERE event_nid = ANY($1)"
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const selectEventRejectedSQL = "" +
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"SELECT is_rejected FROM roomserver_events WHERE room_nid = $1 AND event_id = $2"
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const selectRoomsWithEventTypeNIDSQL = `SELECT DISTINCT room_nid FROM roomserver_events WHERE event_type_nid = $1`
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type eventStatements struct {
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insertEventStmt *sql.Stmt
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selectEventStmt *sql.Stmt
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bulkSelectSnapshotsForEventIDsStmt *sql.Stmt
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bulkSelectStateEventByIDStmt *sql.Stmt
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bulkSelectStateEventByIDExcludingRejectedStmt *sql.Stmt
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bulkSelectStateEventByNIDStmt *sql.Stmt
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bulkSelectStateAtEventByIDStmt *sql.Stmt
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updateEventStateStmt *sql.Stmt
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selectEventSentToOutputStmt *sql.Stmt
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updateEventSentToOutputStmt *sql.Stmt
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selectEventIDStmt *sql.Stmt
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bulkSelectStateAtEventAndReferenceStmt *sql.Stmt
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bulkSelectEventIDStmt *sql.Stmt
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bulkSelectEventNIDStmt *sql.Stmt
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bulkSelectUnsentEventNIDStmt *sql.Stmt
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selectMaxEventDepthStmt *sql.Stmt
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selectRoomNIDsForEventNIDsStmt *sql.Stmt
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selectEventRejectedStmt *sql.Stmt
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selectRoomsWithEventTypeNIDStmt *sql.Stmt
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}
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func CreateEventsTable(db *sql.DB) error {
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_, err := db.Exec(eventsSchema)
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if err != nil {
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return err
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}
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m := sqlutil.NewMigrator(db)
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m.AddMigrations([]sqlutil.Migration{
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{
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Version: "roomserver: drop column reference_sha from roomserver_events",
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Up: deltas.UpDropEventReferenceSHAEvents,
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},
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}...)
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return m.Up(context.Background())
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}
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func PrepareEventsTable(db *sql.DB) (tables.Events, error) {
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s := &eventStatements{}
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return s, sqlutil.StatementList{
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{&s.insertEventStmt, insertEventSQL},
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{&s.selectEventStmt, selectEventSQL},
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{&s.bulkSelectSnapshotsForEventIDsStmt, bulkSelectSnapshotsForEventIDsSQL},
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{&s.bulkSelectStateEventByIDStmt, bulkSelectStateEventByIDSQL},
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{&s.bulkSelectStateEventByIDExcludingRejectedStmt, bulkSelectStateEventByIDExcludingRejectedSQL},
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{&s.bulkSelectStateEventByNIDStmt, bulkSelectStateEventByNIDSQL},
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{&s.bulkSelectStateAtEventByIDStmt, bulkSelectStateAtEventByIDSQL},
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{&s.updateEventStateStmt, updateEventStateSQL},
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{&s.updateEventSentToOutputStmt, updateEventSentToOutputSQL},
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{&s.selectEventSentToOutputStmt, selectEventSentToOutputSQL},
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{&s.selectEventIDStmt, selectEventIDSQL},
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{&s.bulkSelectStateAtEventAndReferenceStmt, bulkSelectStateAtEventAndReferenceSQL},
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{&s.bulkSelectEventIDStmt, bulkSelectEventIDSQL},
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{&s.bulkSelectEventNIDStmt, bulkSelectEventNIDSQL},
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{&s.bulkSelectUnsentEventNIDStmt, bulkSelectUnsentEventNIDSQL},
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{&s.selectMaxEventDepthStmt, selectMaxEventDepthSQL},
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{&s.selectRoomNIDsForEventNIDsStmt, selectRoomNIDsForEventNIDsSQL},
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{&s.selectEventRejectedStmt, selectEventRejectedSQL},
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{&s.selectRoomsWithEventTypeNIDStmt, selectRoomsWithEventTypeNIDSQL},
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}.Prepare(db)
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}
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func (s *eventStatements) InsertEvent(
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ctx context.Context,
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txn *sql.Tx,
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roomNID types.RoomNID,
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eventTypeNID types.EventTypeNID,
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eventStateKeyNID types.EventStateKeyNID,
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eventID string,
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authEventNIDs []types.EventNID,
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depth int64,
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isRejected bool,
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) (types.EventNID, types.StateSnapshotNID, error) {
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var eventNID int64
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var stateNID int64
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stmt := sqlutil.TxStmt(txn, s.insertEventStmt)
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err := stmt.QueryRowContext(
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ctx, int64(roomNID), int64(eventTypeNID), int64(eventStateKeyNID),
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eventID, eventNIDsAsArray(authEventNIDs), depth,
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isRejected,
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).Scan(&eventNID, &stateNID)
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return types.EventNID(eventNID), types.StateSnapshotNID(stateNID), err
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}
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func (s *eventStatements) SelectEvent(
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ctx context.Context, txn *sql.Tx, eventID string,
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) (types.EventNID, types.StateSnapshotNID, error) {
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var eventNID int64
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var stateNID int64
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err := s.selectEventStmt.QueryRowContext(ctx, eventID).Scan(&eventNID, &stateNID)
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return types.EventNID(eventNID), types.StateSnapshotNID(stateNID), err
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}
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func (s *eventStatements) BulkSelectSnapshotsFromEventIDs(
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ctx context.Context, txn *sql.Tx, eventIDs []string,
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) (map[types.StateSnapshotNID][]string, error) {
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stmt := sqlutil.TxStmt(txn, s.bulkSelectSnapshotsForEventIDsStmt)
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rows, err := stmt.QueryContext(ctx, pq.Array(eventIDs))
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "BulkSelectSnapshotsFromEventIDs: rows.close() failed")
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var eventID string
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var stateNID types.StateSnapshotNID
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result := make(map[types.StateSnapshotNID][]string)
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for rows.Next() {
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if err := rows.Scan(&eventID, &stateNID); err != nil {
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return nil, err
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}
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result[stateNID] = append(result[stateNID], eventID)
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}
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return result, rows.Err()
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}
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// bulkSelectStateEventByID lookups a list of state events by event ID.
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// If not excluding rejected events, and any of the requested events are missing from
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// the database it returns a types.MissingEventError. If excluding rejected events,
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// the events will be silently omitted without error.
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func (s *eventStatements) BulkSelectStateEventByID(
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ctx context.Context, txn *sql.Tx, eventIDs []string, excludeRejected bool,
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) ([]types.StateEntry, error) {
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var stmt *sql.Stmt
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if excludeRejected {
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stmt = sqlutil.TxStmt(txn, s.bulkSelectStateEventByIDExcludingRejectedStmt)
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} else {
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stmt = sqlutil.TxStmt(txn, s.bulkSelectStateEventByIDStmt)
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}
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rows, err := stmt.QueryContext(ctx, pq.StringArray(eventIDs))
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectStateEventByID: rows.close() failed")
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// We know that we will only get as many results as event IDs
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// because of the unique constraint on event IDs.
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// So we can allocate an array of the correct size now.
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// We might get fewer results than IDs so we adjust the length of the slice before returning it.
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results := make([]types.StateEntry, 0, len(eventIDs))
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i := 0
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for ; rows.Next(); i++ {
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var result types.StateEntry
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if err = rows.Scan(
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&result.EventTypeNID,
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&result.EventStateKeyNID,
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&result.EventNID,
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); err != nil {
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return nil, err
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}
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results = append(results, result)
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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if !excludeRejected && i != len(eventIDs) {
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// If there are fewer rows returned than IDs then we were asked to lookup event IDs we don't have.
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// We don't know which ones were missing because we don't return the string IDs in the query.
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// However it should be possible debug this by replaying queries or entries from the input kafka logs.
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// If this turns out to be impossible and we do need the debug information here, it would be better
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// to do it as a separate query rather than slowing down/complicating the internal case.
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return nil, types.MissingEventError(
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fmt.Sprintf("storage: state event IDs missing from the database (%d != %d)", i, len(eventIDs)),
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)
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}
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return results, nil
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}
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// bulkSelectStateEventByNID lookups a list of state events by event NID.
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// If any of the requested events are missing from the database it returns a types.MissingEventError
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func (s *eventStatements) BulkSelectStateEventByNID(
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ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID,
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stateKeyTuples []types.StateKeyTuple,
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) ([]types.StateEntry, error) {
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tuples := types.StateKeyTupleSorter(stateKeyTuples)
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sort.Sort(tuples)
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eventTypeNIDArray, eventStateKeyNIDArray := tuples.TypesAndStateKeysAsArrays()
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stmt := sqlutil.TxStmt(txn, s.bulkSelectStateEventByNIDStmt)
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rows, err := stmt.QueryContext(ctx, eventNIDsAsArray(eventNIDs), pq.Int64Array(eventTypeNIDArray), pq.Int64Array(eventStateKeyNIDArray))
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectStateEventByID: rows.close() failed")
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// We know that we will only get as many results as event IDs
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// because of the unique constraint on event IDs.
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// So we can allocate an array of the correct size now.
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// We might get fewer results than IDs so we adjust the length of the slice before returning it.
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results := make([]types.StateEntry, len(eventNIDs))
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i := 0
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for ; rows.Next(); i++ {
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result := &results[i]
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if err = rows.Scan(
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&result.EventTypeNID,
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&result.EventStateKeyNID,
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&result.EventNID,
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); err != nil {
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return nil, err
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}
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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return results[:i], nil
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}
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// bulkSelectStateAtEventByID lookups the state at a list of events by event ID.
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// If any of the requested events are missing from the database it returns a types.MissingEventError.
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// If we do not have the state for any of the requested events it returns a types.MissingEventError.
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func (s *eventStatements) BulkSelectStateAtEventByID(
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ctx context.Context, txn *sql.Tx, eventIDs []string,
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) ([]types.StateAtEvent, error) {
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stmt := sqlutil.TxStmt(txn, s.bulkSelectStateAtEventByIDStmt)
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rows, err := stmt.QueryContext(ctx, pq.StringArray(eventIDs))
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if err != nil {
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return nil, err
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}
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defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectStateAtEventByID: rows.close() failed")
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results := make([]types.StateAtEvent, len(eventIDs))
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i := 0
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for ; rows.Next(); i++ {
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result := &results[i]
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if err = rows.Scan(
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&result.EventTypeNID,
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&result.EventStateKeyNID,
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&result.EventNID,
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&result.BeforeStateSnapshotNID,
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&result.IsRejected,
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); err != nil {
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return nil, err
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}
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// Genuine create events are the only case where it's OK to have no previous state.
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isCreate := result.EventTypeNID == types.MRoomCreateNID && result.EventStateKeyNID == 1
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if result.BeforeStateSnapshotNID == 0 && !isCreate {
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return nil, types.MissingStateError(
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fmt.Sprintf("storage: missing state for event NID %d", result.EventNID),
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)
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}
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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if i != len(eventIDs) {
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return nil, types.MissingEventError(
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fmt.Sprintf("storage: event IDs missing from the database (%d != %d)", i, len(eventIDs)),
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)
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}
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return results, nil
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}
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func (s *eventStatements) UpdateEventState(
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ctx context.Context, txn *sql.Tx, eventNID types.EventNID, stateNID types.StateSnapshotNID,
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) error {
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stmt := sqlutil.TxStmt(txn, s.updateEventStateStmt)
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|
_, err := stmt.ExecContext(ctx, int64(eventNID), int64(stateNID))
|
|
return err
|
|
}
|
|
|
|
func (s *eventStatements) SelectEventSentToOutput(
|
|
ctx context.Context, txn *sql.Tx, eventNID types.EventNID,
|
|
) (sentToOutput bool, err error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectEventSentToOutputStmt)
|
|
err = stmt.QueryRowContext(ctx, int64(eventNID)).Scan(&sentToOutput)
|
|
return
|
|
}
|
|
|
|
func (s *eventStatements) UpdateEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) error {
|
|
stmt := sqlutil.TxStmt(txn, s.updateEventSentToOutputStmt)
|
|
_, err := stmt.ExecContext(ctx, int64(eventNID))
|
|
return err
|
|
}
|
|
|
|
func (s *eventStatements) SelectEventID(
|
|
ctx context.Context, txn *sql.Tx, eventNID types.EventNID,
|
|
) (eventID string, err error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectEventIDStmt)
|
|
err = stmt.QueryRowContext(ctx, int64(eventNID)).Scan(&eventID)
|
|
return
|
|
}
|
|
|
|
func (s *eventStatements) BulkSelectStateAtEventAndReference(
|
|
ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID,
|
|
) ([]types.StateAtEventAndReference, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.bulkSelectStateAtEventAndReferenceStmt)
|
|
rows, err := stmt.QueryContext(ctx, eventNIDsAsArray(eventNIDs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectStateAtEventAndReference: rows.close() failed")
|
|
results := make([]types.StateAtEventAndReference, len(eventNIDs))
|
|
i := 0
|
|
var (
|
|
eventTypeNID int64
|
|
eventStateKeyNID int64
|
|
eventNID int64
|
|
stateSnapshotNID int64
|
|
eventID string
|
|
)
|
|
for ; rows.Next(); i++ {
|
|
if err = rows.Scan(
|
|
&eventTypeNID, &eventStateKeyNID, &eventNID, &stateSnapshotNID, &eventID,
|
|
); err != nil {
|
|
return nil, err
|
|
}
|
|
result := &results[i]
|
|
result.EventTypeNID = types.EventTypeNID(eventTypeNID)
|
|
result.EventStateKeyNID = types.EventStateKeyNID(eventStateKeyNID)
|
|
result.EventNID = types.EventNID(eventNID)
|
|
result.BeforeStateSnapshotNID = types.StateSnapshotNID(stateSnapshotNID)
|
|
result.EventID = eventID
|
|
}
|
|
if err = rows.Err(); err != nil {
|
|
return nil, err
|
|
}
|
|
if i != len(eventNIDs) {
|
|
return nil, fmt.Errorf("storage: event NIDs missing from the database (%d != %d)", i, len(eventNIDs))
|
|
}
|
|
return results, nil
|
|
}
|
|
|
|
// bulkSelectEventID returns a map from numeric event ID to string event ID.
|
|
func (s *eventStatements) BulkSelectEventID(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (map[types.EventNID]string, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.bulkSelectEventIDStmt)
|
|
rows, err := stmt.QueryContext(ctx, eventNIDsAsArray(eventNIDs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectEventID: rows.close() failed")
|
|
results := make(map[types.EventNID]string, len(eventNIDs))
|
|
i := 0
|
|
var eventNID int64
|
|
var eventID string
|
|
for ; rows.Next(); i++ {
|
|
if err = rows.Scan(&eventNID, &eventID); err != nil {
|
|
return nil, err
|
|
}
|
|
results[types.EventNID(eventNID)] = eventID
|
|
}
|
|
if err = rows.Err(); err != nil {
|
|
return nil, err
|
|
}
|
|
if i != len(eventNIDs) {
|
|
return nil, fmt.Errorf("storage: event NIDs missing from the database (%d != %d)", i, len(eventNIDs))
|
|
}
|
|
return results, nil
|
|
}
|
|
|
|
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
|
|
// If an event ID is not in the database then it is omitted from the map.
|
|
func (s *eventStatements) BulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventMetadata, error) {
|
|
return s.bulkSelectEventNID(ctx, txn, eventIDs, false)
|
|
}
|
|
|
|
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID
|
|
// only for events that haven't already been sent to the roomserver output.
|
|
// If an event ID is not in the database then it is omitted from the map.
|
|
func (s *eventStatements) BulkSelectUnsentEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventMetadata, error) {
|
|
return s.bulkSelectEventNID(ctx, txn, eventIDs, true)
|
|
}
|
|
|
|
// bulkSelectEventNIDs returns a map from string event ID to numeric event ID.
|
|
// If an event ID is not in the database then it is omitted from the map.
|
|
func (s *eventStatements) bulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string, onlyUnsent bool) (map[string]types.EventMetadata, error) {
|
|
var stmt *sql.Stmt
|
|
if onlyUnsent {
|
|
stmt = sqlutil.TxStmt(txn, s.bulkSelectUnsentEventNIDStmt)
|
|
} else {
|
|
stmt = sqlutil.TxStmt(txn, s.bulkSelectEventNIDStmt)
|
|
}
|
|
rows, err := stmt.QueryContext(ctx, pq.StringArray(eventIDs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "bulkSelectEventNID: rows.close() failed")
|
|
results := make(map[string]types.EventMetadata, len(eventIDs))
|
|
var eventID string
|
|
var eventNID int64
|
|
var roomNID int64
|
|
for rows.Next() {
|
|
if err = rows.Scan(&eventID, &eventNID, &roomNID); err != nil {
|
|
return nil, err
|
|
}
|
|
results[eventID] = types.EventMetadata{
|
|
EventNID: types.EventNID(eventNID),
|
|
RoomNID: types.RoomNID(roomNID),
|
|
}
|
|
}
|
|
return results, rows.Err()
|
|
}
|
|
|
|
func (s *eventStatements) SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error) {
|
|
var result int64
|
|
stmt := s.selectMaxEventDepthStmt
|
|
err := stmt.QueryRowContext(ctx, eventNIDsAsArray(eventNIDs)).Scan(&result)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return result, nil
|
|
}
|
|
|
|
func (s *eventStatements) SelectRoomNIDsForEventNIDs(
|
|
ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID,
|
|
) (map[types.EventNID]types.RoomNID, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectRoomNIDsForEventNIDsStmt)
|
|
rows, err := stmt.QueryContext(ctx, eventNIDsAsArray(eventNIDs))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectRoomNIDsForEventNIDsStmt: rows.close() failed")
|
|
result := make(map[types.EventNID]types.RoomNID)
|
|
var eventNID types.EventNID
|
|
var roomNID types.RoomNID
|
|
for rows.Next() {
|
|
if err = rows.Scan(&eventNID, &roomNID); err != nil {
|
|
return nil, err
|
|
}
|
|
result[eventNID] = roomNID
|
|
}
|
|
return result, rows.Err()
|
|
}
|
|
|
|
func eventNIDsAsArray(eventNIDs []types.EventNID) pq.Int64Array {
|
|
nids := make([]int64, len(eventNIDs))
|
|
for i := range eventNIDs {
|
|
nids[i] = int64(eventNIDs[i])
|
|
}
|
|
return nids
|
|
}
|
|
|
|
func (s *eventStatements) SelectEventRejected(
|
|
ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventID string,
|
|
) (rejected bool, err error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectEventRejectedStmt)
|
|
err = stmt.QueryRowContext(ctx, roomNID, eventID).Scan(&rejected)
|
|
return
|
|
}
|
|
|
|
func (s *eventStatements) SelectRoomsWithEventTypeNID(
|
|
ctx context.Context, txn *sql.Tx, eventTypeNID types.EventTypeNID,
|
|
) ([]types.RoomNID, error) {
|
|
stmt := sqlutil.TxStmt(txn, s.selectRoomsWithEventTypeNIDStmt)
|
|
rows, err := stmt.QueryContext(ctx, eventTypeNID)
|
|
defer internal.CloseAndLogIfError(ctx, rows, "SelectRoomsWithEventTypeNID: rows.close() failed")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var roomNIDs []types.RoomNID
|
|
var roomNID types.RoomNID
|
|
for rows.Next() {
|
|
if err := rows.Scan(&roomNID); err != nil {
|
|
return nil, err
|
|
}
|
|
roomNIDs = append(roomNIDs, roomNID)
|
|
}
|
|
|
|
return roomNIDs, rows.Err()
|
|
}
|