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State storage refactor (#1839)

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* Hash-deduplicated state storage (and migrations) for PostgreSQL and SQLite

* Refactor droomserver database setup for migrations

* Fix conflict statements

* Update migration names

* Set a boundary for old to new block/snapshot IDs so we don't rewrite them more than once accidentally

* Create sequence if not exists

* Fix boundary queries

* Fix boundary queries

* Use Query

* Break out queries a bit

* More sequence tweaks

* Query parameters are not playing the game

* Injection escaping may not work for CREATE SEQUENCE after all

* Fix snapshot sequence name

* Use boundaried IDs in SQLite too

* Use IFNULL for SQLite

* Use COALESCE in PostgreSQL

* Review comments @Kegsay
This commit is contained in:
Neil Alexander 2021-04-26 13:25:57 +01:00 • committed by GitHub
parent d6e9b7b307
commit 5ce1fe80de
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39 changed files with 1076 additions and 554 deletions
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16
roomserver/storage/postgres/membership_table.go
View file

@ -139,12 +139,13 @@ type membershipStatements struct {
updateMembershipForgetRoomStmt *sql.Stmt
}
func NewPostgresMembershipTable(db *sql.DB) (tables.Membership, error) {
s := &membershipStatements{}
func createMembershipTable(db *sql.DB) error {
_, err := db.Exec(membershipSchema)
if err != nil {
return nil, err
}
return err
}
func prepareMembershipTable(db *sql.DB) (tables.Membership, error) {
s := &membershipStatements{}
return s, shared.StatementList{
{&s.insertMembershipStmt, insertMembershipSQL},
@ -162,11 +163,6 @@ func NewPostgresMembershipTable(db *sql.DB) (tables.Membership, error) {
}.Prepare(db)
}
func (s *membershipStatements) execSchema(db *sql.DB) error {
_, err := db.Exec(membershipSchema)
return err
}
func (s *membershipStatements) InsertMembership(
ctx context.Context,
txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID,