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roomserver: start refactoring storage layer (#1061)

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

* Convert event_types table
This commit is contained in:
Kegsay 2020-05-26 15:42:42 +01:00 • committed by GitHub
parent 6d50212f29
commit 737c83e0ae
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10 changed files with 162 additions and 121 deletions
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69
roomserver/storage/postgres/storage.go
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@ -26,14 +26,19 @@ 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 {
statements statements
db *sql.DB
shared.Database
statements statements
eventTypes tables.EventTypes
eventStateKeys tables.EventStateKeys
db *sql.DB
}
// Open a postgres database.
@ -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) {
// Check if we already have a numeric ID in the database.
eventTypeNID, err := d.statements.selectEventTypeNID(ctx, 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 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.eventTypes.SelectEventTypeNID(ctx, txn, eventType)
if err == sql.ErrNoRows {
// We raced with another insert so run the select again.
eventTypeNID, err = d.statements.selectEventTypeNID(ctx, eventType)
// We don't have a numeric ID so insert one into the database.
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.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,