Skip to content
Snippets Groups Projects
Commit b0a14bf5 authored by Erik Johnston's avatar Erik Johnston
Browse files

Handle the fact that some tables have negative rowid rows

parent 530bc862
No related branches found
No related tags found
No related merge requests found
Hide whitespace changes
Inline Side-by-side
scripts/synapse_port_db
+ 111
− 43
View file @ b0a14bf5
......@@ -34,7 +34,7 @@ logger = logging.getLogger("synapse_port_db")
BOOLEAN_COLUMNS = {
"events": ["processed", "outlier"],
"events": ["processed", "outlier", "contains_url"],
"rooms": ["is_public"],
"event_edges": ["is_state"],
"presence_list": ["accepted"],
......@@ -92,8 +92,12 @@ class Store(object):
_simple_select_onecol_txn = SQLBaseStore.__dict__["_simple_select_onecol_txn"]
_simple_select_onecol = SQLBaseStore.__dict__["_simple_select_onecol"]
_simple_select_one = SQLBaseStore.__dict__["_simple_select_one"]
_simple_select_one_txn = SQLBaseStore.__dict__["_simple_select_one_txn"]
_simple_select_one_onecol = SQLBaseStore.__dict__["_simple_select_one_onecol"]
_simple_select_one_onecol_txn = SQLBaseStore.__dict__["_simple_select_one_onecol_txn"]
_simple_select_one_onecol_txn = SQLBaseStore.__dict__[
"_simple_select_one_onecol_txn"
]
_simple_update_one = SQLBaseStore.__dict__["_simple_update_one"]
_simple_update_one_txn = SQLBaseStore.__dict__["_simple_update_one_txn"]
......@@ -158,31 +162,40 @@ class Porter(object):
def setup_table(self, table):
if table in APPEND_ONLY_TABLES:
# It's safe to just carry on inserting.
next_chunk = yield self.postgres_store._simple_select_one_onecol(
row = yield self.postgres_store._simple_select_one(
table="port_from_sqlite3",
keyvalues={"table_name": table},
retcol="rowid",
retcols=("forward_rowid", "backward_rowid"),
allow_none=True,
)
total_to_port = None
if next_chunk is None:
if row is None:
if table == "sent_transactions":
next_chunk, already_ported, total_to_port = (
forward_chunk, already_ported, total_to_port = (
yield self._setup_sent_transactions()
)
backward_chunk = 0
else:
yield self.postgres_store._simple_insert(
table="port_from_sqlite3",
values={"table_name": table, "rowid": 1}
values={
"table_name": table,
"forward_rowid": 1,
"backward_rowid": 0,
}
)
next_chunk = 1
forward_chunk = 1
backward_chunk = 0
already_ported = 0
else:
forward_chunk = row["forward_rowid"]
backward_chunk = row["backward_rowid"]
if total_to_port is None:
already_ported, total_to_port = yield self._get_total_count_to_port(
table, next_chunk
table, forward_chunk, backward_chunk
)
else:
def delete_all(txn):
......@@ -196,46 +209,85 @@ class Porter(object):
yield self.postgres_store._simple_insert(
table="port_from_sqlite3",
values={"table_name": table, "rowid": 0}
values={
"table_name": table,
"forward_rowid": 1,
"backward_rowid": 0,
}
)
next_chunk = 1
forward_chunk = 1
backward_chunk = 0
already_ported, total_to_port = yield self._get_total_count_to_port(
table, next_chunk
table, forward_chunk, backward_chunk
)
defer.returnValue((table, already_ported, total_to_port, next_chunk))
defer.returnValue(
(table, already_ported, total_to_port, forward_chunk, backward_chunk)
)
@defer.inlineCallbacks
def handle_table(self, table, postgres_size, table_size, next_chunk):
def handle_table(self, table, postgres_size, table_size, forward_chunk,
backward_chunk):
if not table_size:
return
self.progress.add_table(table, postgres_size, table_size)
if table == "event_search":
yield self.handle_search_table(postgres_size, table_size, next_chunk)
yield self.handle_search_table(
postgres_size, table_size, forward_chunk, backward_chunk
)
return
select = (
forward_select = (
"SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?"
% (table,)
)
backward_select = (
"SELECT rowid, * FROM %s WHERE rowid <= ? ORDER BY rowid LIMIT ?"
% (table,)
)
do_forward = [True]
do_backward = [True]
while True:
def r(txn):
txn.execute(select, (next_chunk, self.batch_size,))
rows = txn.fetchall()
headers = [column[0] for column in txn.description]
forward_rows = []
backward_rows = []
if do_forward[0]:
txn.execute(forward_select, (forward_chunk, self.batch_size,))
forward_rows = txn.fetchall()
if not forward_rows:
do_forward[0] = False
if do_backward[0]:
txn.execute(backward_select, (backward_chunk, self.batch_size,))
backward_rows = txn.fetchall()
if not backward_rows:
do_backward[0] = False
if forward_rows or backward_rows:
headers = [column[0] for column in txn.description]
else:
headers = None
return headers, rows
return headers, forward_rows, backward_rows
headers, rows = yield self.sqlite_store.runInteraction("select", r)
headers, frows, brows = yield self.sqlite_store.runInteraction(
"select", r
)
if rows:
next_chunk = rows[-1][0] + 1
if frows or brows:
if frows:
forward_chunk = max(row[0] for row in frows) + 1
if brows:
backward_chunk = min(row[0] for row in brows) - 1
rows = frows + brows
self._convert_rows(table, headers, rows)
def insert(txn):
......@@ -247,7 +299,10 @@ class Porter(object):
txn,
table="port_from_sqlite3",
keyvalues={"table_name": table},
updatevalues={"rowid": next_chunk},
updatevalues={
"forward_rowid": forward_chunk,
"backward_rowid": backward_chunk,
},
)
yield self.postgres_store.execute(insert)
......@@ -259,7 +314,8 @@ class Porter(object):
return
@defer.inlineCallbacks
def handle_search_table(self, postgres_size, table_size, next_chunk):
def handle_search_table(self, postgres_size, table_size, forward_chunk,
backward_chunk):
select = (
"SELECT es.rowid, es.*, e.origin_server_ts, e.stream_ordering"
" FROM event_search as es"
......@@ -270,7 +326,7 @@ class Porter(object):
while True:
def r(txn):
txn.execute(select, (next_chunk, self.batch_size,))
txn.execute(select, (forward_chunk, self.batch_size,))
rows = txn.fetchall()
headers = [column[0] for column in txn.description]
......@@ -279,7 +335,7 @@ class Porter(object):
headers, rows = yield self.sqlite_store.runInteraction("select", r)
if rows:
next_chunk = rows[-1][0] + 1
forward_chunk = rows[-1][0] + 1
# We have to treat event_search differently since it has a
# different structure in the two different databases.
......@@ -312,7 +368,10 @@ class Porter(object):
txn,
table="port_from_sqlite3",
keyvalues={"table_name": "event_search"},
updatevalues={"rowid": next_chunk},
updatevalues={
"forward_rowid": forward_chunk,
"backward_rowid": backward_chunk,
},
)
yield self.postgres_store.execute(insert)
......@@ -324,7 +383,6 @@ class Porter(object):
else:
return
def setup_db(self, db_config, database_engine):
db_conn = database_engine.module.connect(
**{
......@@ -395,7 +453,8 @@ class Porter(object):
txn.execute(
"CREATE TABLE port_from_sqlite3 ("
" table_name varchar(100) NOT NULL UNIQUE,"
" rowid bigint NOT NULL"
" forward_rowid bigint NOT NULL,"
" backward_rowid bigint NOT NULL"
")"
)
......@@ -458,7 +517,7 @@ class Porter(object):
@defer.inlineCallbacks
def _setup_sent_transactions(self):
# Only save things from the last day
yesterday = int(time.time()*1000) - 86400000
yesterday = int(time.time() * 1000) - 86400000
# And save the max transaction id from each destination
select = (
......@@ -514,7 +573,11 @@ class Porter(object):
yield self.postgres_store._simple_insert(
table="port_from_sqlite3",
values={"table_name": "sent_transactions", "rowid": next_chunk}
values={
"table_name": "sent_transactions",
"forward_rowid": next_chunk,
"backward_rowid": 0,
}
)
def get_sent_table_size(txn):
......@@ -535,13 +598,18 @@ class Porter(object):
defer.returnValue((next_chunk, inserted_rows, total_count))
@defer.inlineCallbacks
def _get_remaining_count_to_port(self, table, next_chunk):
rows = yield self.sqlite_store.execute_sql(
def _get_remaining_count_to_port(self, table, forward_chunk, backward_chunk):
frows = yield self.sqlite_store.execute_sql(
"SELECT count(*) FROM %s WHERE rowid >= ?" % (table,),
next_chunk,
forward_chunk,
)
defer.returnValue(rows[0][0])
brows = yield self.sqlite_store.execute_sql(
"SELECT count(*) FROM %s WHERE rowid <= ?" % (table,),
backward_chunk,
)
defer.returnValue(frows[0][0] + brows[0][0])
@defer.inlineCallbacks
def _get_already_ported_count(self, table):
......@@ -552,10 +620,10 @@ class Porter(object):
defer.returnValue(rows[0][0])
@defer.inlineCallbacks
def _get_total_count_to_port(self, table, next_chunk):
def _get_total_count_to_port(self, table, forward_chunk, backward_chunk):
remaining, done = yield defer.gatherResults(
[
self._get_remaining_count_to_port(table, next_chunk),
self._get_remaining_count_to_port(table, forward_chunk, backward_chunk),
self._get_already_ported_count(table),
],
consumeErrors=True,
......@@ -686,7 +754,7 @@ class CursesProgress(Progress):
color = curses.color_pair(2) if perc == 100 else curses.color_pair(1)
self.stdscr.addstr(
i+2, left_margin + max_len - len(table),
i + 2, left_margin + max_len - len(table),
table,
curses.A_BOLD | color,
)
......@@ -694,18 +762,18 @@ class CursesProgress(Progress):
size = 20
progress = "[%s%s]" % (
"#" * int(perc*size/100),
" " * (size - int(perc*size/100)),
"#" * int(perc * size / 100),
" " * (size - int(perc * size / 100)),
)
self.stdscr.addstr(
i+2, left_margin + max_len + middle_space,
i + 2, left_margin + max_len + middle_space,
"%s %3d%% (%d/%d)" % (progress, perc, data["num_done"], data["total"]),
)
if self.finished:
self.stdscr.addstr(
rows-1, 0,
rows - 1, 0,
"Press any key to exit...",
)
......
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Please register or to comment