Matrix-Mirrors/anonymousland-synapse
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse.git synced 2025-05-03 04:04:54 -04:00
Code Issues Projects Releases Packages Wiki Activity

Implement new replace_state and changed prev_state

Browse source 
`prev_state` is now a list of previous state ids, similiar to
prev_events. `replace_state` now points to what we think was replaced.
This commit is contained in:
Erik Johnston 2014-11-06 15:10:55 +00:00
parent 3791b75000
commit 4317c8e583
13 changed files with 219 additions and 127 deletions
Download patch file Download diff file Expand all files Collapse all files

64
synapse/storage/_base.py
View file

@ -245,7 +245,6 @@ class SQLBaseStore(object):
return [r[0] for r in txn.fetchall()]
def _simple_select_onecol(self, table, keyvalues, retcol):
"""Executes a SELECT query on the named table, which returns a list
comprising of the values of the named column from the selected rows.
@ -273,17 +272,30 @@ class SQLBaseStore(object):
keyvalues : dict of column names and values to select the rows with
retcols : list of strings giving the names of the columns to return
"""
return self.runInteraction(
"_simple_select_list",
self._simple_select_list_txn,
table, keyvalues, retcols
)
def _simple_select_list_txn(self, txn, table, keyvalues, retcols):
"""Executes a SELECT query on the named table, which may return zero or
more rows, returning the result as a list of dicts.
Args:
txn : Transaction object
table : string giving the table name
keyvalues : dict of column names and values to select the rows with
retcols : list of strings giving the names of the columns to return
"""
sql = "SELECT %s FROM %s WHERE %s" % (
", ".join(retcols),
table,
" AND ".join("%s = ?" % (k) for k in keyvalues)
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
def func(txn):
txn.execute(sql, keyvalues.values())
return self.cursor_to_dict(txn)
return self.runInteraction("_simple_select_list", func)
txn.execute(sql, keyvalues.values())
return self.cursor_to_dict(txn)
def _simple_update_one(self, table, keyvalues, updatevalues,
retcols=None):
@ -417,6 +429,10 @@ class SQLBaseStore(object):
d.pop("topological_ordering", None)
d.pop("processed", None)
d["origin_server_ts"] = d.pop("ts", 0)
replaces_state = d.pop("prev_state", None)
if replaces_state:
d["replaces_state"] = replaces_state
d.update(json.loads(row_dict["unrecognized_keys"]))
d["content"] = json.loads(d["content"])
@ -450,16 +466,32 @@ class SQLBaseStore(object):
k: encode_base64(v) for k, v in signatures.items()
}
ev.prev_events = self._get_prev_events(txn, ev.event_id)
prevs = self._get_prev_events_and_state(txn, ev.event_id)
if hasattr(ev, "prev_state"):
# Load previous state_content.
# TODO: Should we be pulling this out above?
cursor = txn.execute(select_event_sql, (ev.prev_state,))
prevs = self.cursor_to_dict(cursor)
if prevs:
prev = self._parse_event_from_row(prevs[0])
ev.prev_content = prev.content
ev.prev_events = [
(e_id, h)
for e_id, h, is_state in prevs
if is_state == 0
]
if hasattr(ev, "state_key"):
ev.prev_state = [
(e_id, h)
for e_id, h, is_state in prevs
if is_state == 1
]
if hasattr(ev, "replaces_state"):
# Load previous state_content.
# FIXME (erikj): Handle multiple prev_states.
cursor = txn.execute(
select_event_sql,
(ev.replaces_state,)
)
prevs = self.cursor_to_dict(cursor)
if prevs:
prev = self._parse_event_from_row(prevs[0])
ev.prev_content = prev.content
if not hasattr(ev, "redacted"):
logger.debug("Doesn't have redacted key: %s", ev)