roomserver: start refactoring storage layer (#1061)

* Begin refactoring out roomserver/storage/*/storage.go

* Convert event_types table
main
Kegsay 2020-05-26 15:42:42 +01:00 committed by GitHub
parent 6d50212f29
commit 737c83e0ae
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 162 additions and 121 deletions

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@ -21,6 +21,7 @@ import (
"github.com/lib/pq"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
)
@ -74,12 +75,13 @@ type eventStateKeyStatements struct {
bulkSelectEventStateKeyStmt *sql.Stmt
}
func (s *eventStateKeyStatements) prepare(db *sql.DB) (err error) {
_, err = db.Exec(eventStateKeysSchema)
func NewPostgresEventStateKeysTable(db *sql.DB) (tables.EventStateKeys, error) {
s := &eventStateKeyStatements{}
_, err := db.Exec(eventStateKeysSchema)
if err != nil {
return
return nil, err
}
return statementList{
return s, statementList{
{&s.insertEventStateKeyNIDStmt, insertEventStateKeyNIDSQL},
{&s.selectEventStateKeyNIDStmt, selectEventStateKeyNIDSQL},
{&s.bulkSelectEventStateKeyNIDStmt, bulkSelectEventStateKeyNIDSQL},
@ -87,7 +89,7 @@ func (s *eventStateKeyStatements) prepare(db *sql.DB) (err error) {
}.prepare(db)
}
func (s *eventStateKeyStatements) insertEventStateKeyNID(
func (s *eventStateKeyStatements) InsertEventStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) {
var eventStateKeyNID int64
@ -96,7 +98,7 @@ func (s *eventStateKeyStatements) insertEventStateKeyNID(
return types.EventStateKeyNID(eventStateKeyNID), err
}
func (s *eventStateKeyStatements) selectEventStateKeyNID(
func (s *eventStateKeyStatements) SelectEventStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) {
var eventStateKeyNID int64
@ -105,7 +107,7 @@ func (s *eventStateKeyStatements) selectEventStateKeyNID(
return types.EventStateKeyNID(eventStateKeyNID), err
}
func (s *eventStateKeyStatements) bulkSelectEventStateKeyNID(
func (s *eventStateKeyStatements) BulkSelectEventStateKeyNID(
ctx context.Context, eventStateKeys []string,
) (map[string]types.EventStateKeyNID, error) {
rows, err := s.bulkSelectEventStateKeyNIDStmt.QueryContext(
@ -128,7 +130,7 @@ func (s *eventStateKeyStatements) bulkSelectEventStateKeyNID(
return result, rows.Err()
}
func (s *eventStateKeyStatements) bulkSelectEventStateKey(
func (s *eventStateKeyStatements) BulkSelectEventStateKey(
ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID,
) (map[types.EventStateKeyNID]string, error) {
nIDs := make(pq.Int64Array, len(eventStateKeyNIDs))

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@ -22,6 +22,7 @@ import (
"github.com/matrix-org/dendrite/internal"
"github.com/lib/pq"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
)
@ -98,36 +99,37 @@ type eventTypeStatements struct {
bulkSelectEventTypeNIDStmt *sql.Stmt
}
func (s *eventTypeStatements) prepare(db *sql.DB) (err error) {
_, err = db.Exec(eventTypesSchema)
func NewPostgresEventTypesTable(db *sql.DB) (tables.EventTypes, error) {
s := &eventTypeStatements{}
_, err := db.Exec(eventTypesSchema)
if err != nil {
return
return nil, err
}
return statementList{
return s, statementList{
{&s.insertEventTypeNIDStmt, insertEventTypeNIDSQL},
{&s.selectEventTypeNIDStmt, selectEventTypeNIDSQL},
{&s.bulkSelectEventTypeNIDStmt, bulkSelectEventTypeNIDSQL},
}.prepare(db)
}
func (s *eventTypeStatements) insertEventTypeNID(
ctx context.Context, eventType string,
func (s *eventTypeStatements) InsertEventTypeNID(
ctx context.Context, txn *sql.Tx, eventType string,
) (types.EventTypeNID, error) {
var eventTypeNID int64
err := s.insertEventTypeNIDStmt.QueryRowContext(ctx, eventType).Scan(&eventTypeNID)
err := txn.Stmt(s.insertEventTypeNIDStmt).QueryRowContext(ctx, eventType).Scan(&eventTypeNID)
return types.EventTypeNID(eventTypeNID), err
}
func (s *eventTypeStatements) selectEventTypeNID(
ctx context.Context, eventType string,
func (s *eventTypeStatements) SelectEventTypeNID(
ctx context.Context, txn *sql.Tx, eventType string,
) (types.EventTypeNID, error) {
var eventTypeNID int64
err := s.selectEventTypeNIDStmt.QueryRowContext(ctx, eventType).Scan(&eventTypeNID)
err := txn.Stmt(s.selectEventTypeNIDStmt).QueryRowContext(ctx, eventType).Scan(&eventTypeNID)
return types.EventTypeNID(eventTypeNID), err
}
func (s *eventTypeStatements) bulkSelectEventTypeNID(
func (s *eventTypeStatements) BulkSelectEventTypeNID(
ctx context.Context, eventTypes []string,
) (map[string]types.EventTypeNID, error) {
rows, err := s.bulkSelectEventTypeNIDStmt.QueryContext(ctx, pq.StringArray(eventTypes))

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@ -38,8 +38,6 @@ func (s *statements) prepare(db *sql.DB) error {
var err error
for _, prepare := range []func(db *sql.DB) error{
s.eventTypeStatements.prepare,
s.eventStateKeyStatements.prepare,
s.roomStatements.prepare,
s.eventStatements.prepare,
s.eventJSONStatements.prepare,

View File

@ -26,13 +26,18 @@ import (
// Import the postgres database driver.
_ "github.com/lib/pq"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage/shared"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
)
// A Database is used to store room events and stream offsets.
type Database struct {
shared.Database
statements statements
eventTypes tables.EventTypes
eventStateKeys tables.EventStateKeys
db *sql.DB
}
@ -46,6 +51,18 @@ func Open(dataSourceName string, dbProperties internal.DbProperties) (*Database,
if err = d.statements.prepare(d.db); err != nil {
return nil, err
}
d.eventStateKeys, err = NewPostgresEventStateKeysTable(d.db)
if err != nil {
return nil, err
}
d.eventTypes, err = NewPostgresEventTypesTable(d.db)
if err != nil {
return nil, err
}
d.Database = shared.Database{
EventTypesTable: d.eventTypes,
EventStateKeysTable: d.eventStateKeys,
}
return &d, nil
}
@ -180,17 +197,20 @@ func (d *Database) assignRoomNID(
func (d *Database) assignEventTypeNID(
ctx context.Context, eventType string,
) (types.EventTypeNID, error) {
) (eventTypeNID types.EventTypeNID, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
// Check if we already have a numeric ID in the database.
eventTypeNID, err := d.statements.selectEventTypeNID(ctx, eventType)
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventTypeNID, err = d.statements.insertEventTypeNID(ctx, eventType)
eventTypeNID, err = d.eventTypes.InsertEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventTypeNID, err = d.statements.selectEventTypeNID(ctx, eventType)
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
}
}
return err
})
return eventTypeNID, err
}
@ -198,13 +218,13 @@ func (d *Database) assignStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) {
// Check if we already have a numeric ID in the database.
eventStateKeyNID, err := d.statements.selectEventStateKeyNID(ctx, txn, eventStateKey)
eventStateKeyNID, err := d.eventStateKeys.SelectEventStateKeyNID(ctx, txn, eventStateKey)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventStateKeyNID, err = d.statements.insertEventStateKeyNID(ctx, txn, eventStateKey)
eventStateKeyNID, err = d.eventStateKeys.InsertEventStateKeyNID(ctx, txn, eventStateKey)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventStateKeyNID, err = d.statements.selectEventStateKeyNID(ctx, txn, eventStateKey)
eventStateKeyNID, err = d.eventStateKeys.SelectEventStateKeyNID(ctx, txn, eventStateKey)
}
}
return eventStateKeyNID, err
@ -217,27 +237,6 @@ func (d *Database) StateEntriesForEventIDs(
return d.statements.bulkSelectStateEventByID(ctx, eventIDs)
}
// EventTypeNIDs implements state.RoomStateDatabase
func (d *Database) EventTypeNIDs(
ctx context.Context, eventTypes []string,
) (map[string]types.EventTypeNID, error) {
return d.statements.bulkSelectEventTypeNID(ctx, eventTypes)
}
// EventStateKeyNIDs implements state.RoomStateDatabase
func (d *Database) EventStateKeyNIDs(
ctx context.Context, eventStateKeys []string,
) (map[string]types.EventStateKeyNID, error) {
return d.statements.bulkSelectEventStateKeyNID(ctx, eventStateKeys)
}
// EventStateKeys implements query.RoomserverQueryAPIDatabase
func (d *Database) EventStateKeys(
ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID,
) (map[types.EventStateKeyNID]string, error) {
return d.statements.bulkSelectEventStateKey(ctx, eventStateKeyNIDs)
}
// EventNIDs implements query.RoomserverQueryAPIDatabase
func (d *Database) EventNIDs(
ctx context.Context, eventIDs []string,

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@ -0,0 +1,34 @@
package shared
import (
"context"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
)
type Database struct {
EventTypesTable tables.EventTypes
EventStateKeysTable tables.EventStateKeys
}
// EventTypeNIDs implements state.RoomStateDatabase
func (d *Database) EventTypeNIDs(
ctx context.Context, eventTypes []string,
) (map[string]types.EventTypeNID, error) {
return d.EventTypesTable.BulkSelectEventTypeNID(ctx, eventTypes)
}
// EventStateKeys implements query.RoomserverQueryAPIDatabase
func (d *Database) EventStateKeys(
ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID,
) (map[types.EventStateKeyNID]string, error) {
return d.EventStateKeysTable.BulkSelectEventStateKey(ctx, eventStateKeyNIDs)
}
// EventStateKeyNIDs implements state.RoomStateDatabase
func (d *Database) EventStateKeyNIDs(
ctx context.Context, eventStateKeys []string,
) (map[string]types.EventStateKeyNID, error) {
return d.EventStateKeysTable.BulkSelectEventStateKeyNID(ctx, eventStateKeys)
}

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@ -21,6 +21,7 @@ import (
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
)
@ -67,13 +68,14 @@ type eventStateKeyStatements struct {
bulkSelectEventStateKeyStmt *sql.Stmt
}
func (s *eventStateKeyStatements) prepare(db *sql.DB) (err error) {
func NewSqliteEventStateKeysTable(db *sql.DB) (tables.EventStateKeys, error) {
s := &eventStateKeyStatements{}
s.db = db
_, err = db.Exec(eventStateKeysSchema)
_, err := db.Exec(eventStateKeysSchema)
if err != nil {
return
return nil, err
}
return statementList{
return s, statementList{
{&s.insertEventStateKeyNIDStmt, insertEventStateKeyNIDSQL},
{&s.selectEventStateKeyNIDStmt, selectEventStateKeyNIDSQL},
{&s.bulkSelectEventStateKeyNIDStmt, bulkSelectEventStateKeyNIDSQL},
@ -81,7 +83,7 @@ func (s *eventStateKeyStatements) prepare(db *sql.DB) (err error) {
}.prepare(db)
}
func (s *eventStateKeyStatements) insertEventStateKeyNID(
func (s *eventStateKeyStatements) InsertEventStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) {
var eventStateKeyNID int64
@ -94,7 +96,7 @@ func (s *eventStateKeyStatements) insertEventStateKeyNID(
return types.EventStateKeyNID(eventStateKeyNID), err
}
func (s *eventStateKeyStatements) selectEventStateKeyNID(
func (s *eventStateKeyStatements) SelectEventStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (types.EventStateKeyNID, error) {
var eventStateKeyNID int64
@ -103,8 +105,8 @@ func (s *eventStateKeyStatements) selectEventStateKeyNID(
return types.EventStateKeyNID(eventStateKeyNID), err
}
func (s *eventStateKeyStatements) bulkSelectEventStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKeys []string,
func (s *eventStateKeyStatements) BulkSelectEventStateKeyNID(
ctx context.Context, eventStateKeys []string,
) (map[string]types.EventStateKeyNID, error) {
iEventStateKeys := make([]interface{}, len(eventStateKeys))
for k, v := range eventStateKeys {
@ -112,7 +114,7 @@ func (s *eventStateKeyStatements) bulkSelectEventStateKeyNID(
}
selectOrig := strings.Replace(bulkSelectEventStateKeySQL, "($1)", internal.QueryVariadic(len(eventStateKeys)), 1)
rows, err := txn.QueryContext(ctx, selectOrig, iEventStateKeys...)
rows, err := s.db.QueryContext(ctx, selectOrig, iEventStateKeys...)
if err != nil {
return nil, err
}
@ -129,8 +131,8 @@ func (s *eventStateKeyStatements) bulkSelectEventStateKeyNID(
return result, nil
}
func (s *eventStateKeyStatements) bulkSelectEventStateKey(
ctx context.Context, txn *sql.Tx, eventStateKeyNIDs []types.EventStateKeyNID,
func (s *eventStateKeyStatements) BulkSelectEventStateKey(
ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID,
) (map[types.EventStateKeyNID]string, error) {
iEventStateKeyNIDs := make([]interface{}, len(eventStateKeyNIDs))
for k, v := range eventStateKeyNIDs {
@ -138,7 +140,7 @@ func (s *eventStateKeyStatements) bulkSelectEventStateKey(
}
selectOrig := strings.Replace(bulkSelectEventStateKeyNIDSQL, "($1)", internal.QueryVariadic(len(eventStateKeyNIDs)), 1)
rows, err := txn.QueryContext(ctx, selectOrig, iEventStateKeyNIDs...)
rows, err := s.db.QueryContext(ctx, selectOrig, iEventStateKeyNIDs...)
if err != nil {
return nil, err
}

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@ -21,6 +21,7 @@ import (
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
)
@ -81,14 +82,15 @@ type eventTypeStatements struct {
bulkSelectEventTypeNIDStmt *sql.Stmt
}
func (s *eventTypeStatements) prepare(db *sql.DB) (err error) {
func NewSqliteEventTypesTable(db *sql.DB) (tables.EventTypes, error) {
s := &eventTypeStatements{}
s.db = db
_, err = db.Exec(eventTypesSchema)
_, err := db.Exec(eventTypesSchema)
if err != nil {
return
return nil, err
}
return statementList{
return s, statementList{
{&s.insertEventTypeNIDStmt, insertEventTypeNIDSQL},
{&s.insertEventTypeNIDResultStmt, insertEventTypeNIDResultSQL},
{&s.selectEventTypeNIDStmt, selectEventTypeNIDSQL},
@ -96,7 +98,7 @@ func (s *eventTypeStatements) prepare(db *sql.DB) (err error) {
}.prepare(db)
}
func (s *eventTypeStatements) insertEventTypeNID(
func (s *eventTypeStatements) InsertEventTypeNID(
ctx context.Context, tx *sql.Tx, eventType string,
) (types.EventTypeNID, error) {
var eventTypeNID int64
@ -109,7 +111,7 @@ func (s *eventTypeStatements) insertEventTypeNID(
return types.EventTypeNID(eventTypeNID), err
}
func (s *eventTypeStatements) selectEventTypeNID(
func (s *eventTypeStatements) SelectEventTypeNID(
ctx context.Context, tx *sql.Tx, eventType string,
) (types.EventTypeNID, error) {
var eventTypeNID int64
@ -118,8 +120,8 @@ func (s *eventTypeStatements) selectEventTypeNID(
return types.EventTypeNID(eventTypeNID), err
}
func (s *eventTypeStatements) bulkSelectEventTypeNID(
ctx context.Context, tx *sql.Tx, eventTypes []string,
func (s *eventTypeStatements) BulkSelectEventTypeNID(
ctx context.Context, eventTypes []string,
) (map[string]types.EventTypeNID, error) {
///////////////
iEventTypes := make([]interface{}, len(eventTypes))
@ -133,8 +135,7 @@ func (s *eventTypeStatements) bulkSelectEventTypeNID(
}
///////////////
selectStmt := internal.TxStmt(tx, selectPrep)
rows, err := selectStmt.QueryContext(ctx, iEventTypes...)
rows, err := selectPrep.QueryContext(ctx, iEventTypes...)
if err != nil {
return nil, err
}

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@ -38,8 +38,6 @@ func (s *statements) prepare(db *sql.DB) error {
var err error
for _, prepare := range []func(db *sql.DB) error{
s.eventTypeStatements.prepare,
s.eventStateKeyStatements.prepare,
s.roomStatements.prepare,
s.eventStatements.prepare,
s.eventJSONStatements.prepare,

View File

@ -26,6 +26,8 @@ import (
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/storage/shared"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
_ "github.com/mattn/go-sqlite3"
@ -33,7 +35,10 @@ import (
// A Database is used to store room events and stream offsets.
type Database struct {
shared.Database
statements statements
eventTypes tables.EventTypes
eventStateKeys tables.EventStateKeys
db *sql.DB
}
@ -66,6 +71,18 @@ func Open(dataSourceName string) (*Database, error) {
if err = d.statements.prepare(d.db); err != nil {
return nil, err
}
d.eventStateKeys, err = NewSqliteEventStateKeysTable(d.db)
if err != nil {
return nil, err
}
d.eventTypes, err = NewSqliteEventTypesTable(d.db)
if err != nil {
return nil, err
}
d.Database = shared.Database{
EventTypesTable: d.eventTypes,
EventStateKeysTable: d.eventStateKeys,
}
return &d, nil
}
@ -210,13 +227,13 @@ func (d *Database) assignEventTypeNID(
ctx context.Context, txn *sql.Tx, eventType string,
) (eventTypeNID types.EventTypeNID, err error) {
// Check if we already have a numeric ID in the database.
eventTypeNID, err = d.statements.selectEventTypeNID(ctx, txn, eventType)
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventTypeNID, err = d.statements.insertEventTypeNID(ctx, txn, eventType)
eventTypeNID, err = d.eventTypes.InsertEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventTypeNID, err = d.statements.selectEventTypeNID(ctx, txn, eventType)
eventTypeNID, err = d.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
}
}
return
@ -226,13 +243,13 @@ func (d *Database) assignStateKeyNID(
ctx context.Context, txn *sql.Tx, eventStateKey string,
) (eventStateKeyNID types.EventStateKeyNID, err error) {
// Check if we already have a numeric ID in the database.
eventStateKeyNID, err = d.statements.selectEventStateKeyNID(ctx, txn, eventStateKey)
eventStateKeyNID, err = d.eventStateKeys.SelectEventStateKeyNID(ctx, txn, eventStateKey)
if err == sql.ErrNoRows {
// We don't have a numeric ID so insert one into the database.
eventStateKeyNID, err = d.statements.insertEventStateKeyNID(ctx, txn, eventStateKey)
eventStateKeyNID, err = d.eventStateKeys.InsertEventStateKeyNID(ctx, txn, eventStateKey)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventStateKeyNID, err = d.statements.selectEventStateKeyNID(ctx, txn, eventStateKey)
eventStateKeyNID, err = d.eventStateKeys.SelectEventStateKeyNID(ctx, txn, eventStateKey)
}
}
return
@ -249,39 +266,6 @@ func (d *Database) StateEntriesForEventIDs(
return
}
// EventTypeNIDs implements state.RoomStateDatabase
func (d *Database) EventTypeNIDs(
ctx context.Context, eventTypes []string,
) (etnids map[string]types.EventTypeNID, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
etnids, err = d.statements.bulkSelectEventTypeNID(ctx, txn, eventTypes)
return err
})
return
}
// EventStateKeyNIDs implements state.RoomStateDatabase
func (d *Database) EventStateKeyNIDs(
ctx context.Context, eventStateKeys []string,
) (esknids map[string]types.EventStateKeyNID, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
esknids, err = d.statements.bulkSelectEventStateKeyNID(ctx, txn, eventStateKeys)
return err
})
return
}
// EventStateKeys implements query.RoomserverQueryAPIDatabase
func (d *Database) EventStateKeys(
ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID,
) (out map[types.EventStateKeyNID]string, err error) {
err = internal.WithTransaction(d.db, func(txn *sql.Tx) error {
out, err = d.statements.bulkSelectEventStateKey(ctx, txn, eventStateKeyNIDs)
return err
})
return
}
// EventNIDs implements query.RoomserverQueryAPIDatabase
func (d *Database) EventNIDs(
ctx context.Context, eventIDs []string,

View File

@ -0,0 +1,21 @@
package tables
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/roomserver/types"
)
type EventTypes interface {
InsertEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
SelectEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
BulkSelectEventTypeNID(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
}
type EventStateKeys interface {
InsertEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
SelectEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
BulkSelectEventStateKeyNID(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
BulkSelectEventStateKey(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
}