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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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12
roomserver/storage/postgres/room_aliases_table.go
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@ -62,12 +62,14 @@ type roomAliasesStatements struct {
deleteRoomAliasStmt *sql.Stmt
}
func NewPostgresRoomAliasesTable(db *sql.DB) (tables.RoomAliases, error) {
s := &roomAliasesStatements{}
func createRoomAliasesTable(db *sql.DB) error {
_, err := db.Exec(roomAliasesSchema)
if err != nil {
return nil, err
}
return err
}
func prepareRoomAliasesTable(db *sql.DB) (tables.RoomAliases, error) {
s := &roomAliasesStatements{}
return s, shared.StatementList{
{&s.insertRoomAliasStmt, insertRoomAliasSQL},
{&s.selectRoomIDFromAliasStmt, selectRoomIDFromAliasSQL},