Crate arminius_lib_db_account_data 

Queries relating to account data

Example for tags

Content of a room_account_data row to store room tags:

user_id	room_id	data_type	data
1	!kZrfCE0UDTT3PjUosE:localhost:44199	m.tag	{"tags": {"u.valid.ordered.tag": {"order": 0.3}}}

A Matrix client requesting its tag would receive:

{
    "tags": {
        "u.valid.ordered.tag": {
            "order": 0.3
        }
    }
}

Which corresponds to the following m.tag Matrix event:

{
    "content": {
        "tags": {
            "u.valid.ordered.tag": {
                "order": 0.3
            }
        }
    },
    "type": "m.tag"
}

Structs

SyncGlobalAccountDataEvent

Used to query global account data events, along their stream ID.

SyncRoomAccountDataEvent

Used to query room account data events along their room ID.

Traits

AccountDataLock

Extension trait to acquire a per-user advisory lock for account data writes, held for the duration of the current transaction.

AccountDataQueries

Queries relating to account data

Functions

advance_account_data_sequence 🔒

Advances account_data_streamids so its last value covers stream_id, never moving it backwards. Called by the account-data importers after they insert a row carrying a preserved (sequence-bypassing) stream_id, so the next nextval cannot hand out an id that already exists.