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SYN-163: Add an order by rowid to selects.

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This should fix the bug where the edges of the graph get returned in a
different order than they were inserted in, and so no get_event no
longer returned the exact same JSON as was inserted. This meant that
signature checks failed.
This commit is contained in:
Erik Johnston 2014-11-24 10:50:28 +00:00
parent ae8ad55cb8
commit a46e5ef621
2 changed files with 18 additions and 9 deletions
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15
synapse/storage/_base.py
View file

@ -246,7 +246,10 @@ class SQLBaseStore(object):
raise StoreError(404, "No row found") raise StoreError(404, "No row found")
def _simple_select_onecol_txn(self, txn, table, keyvalues, retcol): def _simple_select_onecol_txn(self, txn, table, keyvalues, retcol):
sql = "SELECT %(retcol)s FROM %(table)s WHERE %(where)s" % { sql = (
"SELECT %(retcol)s FROM %(table)s WHERE %(where)s "
"ORDER BY rowid asc"
) % {
"retcol": retcol, "retcol": retcol,
"table": table, "table": table,
"where": " AND ".join("%s = ?" % k for k in keyvalues.keys()), "where": " AND ".join("%s = ?" % k for k in keyvalues.keys()),
@ -299,7 +302,7 @@ class SQLBaseStore(object):
keyvalues : dict of column names and values to select the rows with keyvalues : dict of column names and values to select the rows with
retcols : list of strings giving the names of the columns to return retcols : list of strings giving the names of the columns to return
""" """
sql = "SELECT %s FROM %s WHERE %s" % ( sql = "SELECT %s FROM %s WHERE %s ORDER BY rowid asc" % (
", ".join(retcols), ", ".join(retcols),
table, table,
" AND ".join("%s = ?" % (k, ) for k in keyvalues) " AND ".join("%s = ?" % (k, ) for k in keyvalues)
@ -334,7 +337,7 @@ class SQLBaseStore(object):
retcols=None, allow_none=False): retcols=None, allow_none=False):
""" Combined SELECT then UPDATE.""" """ Combined SELECT then UPDATE."""
if retcols: if retcols:
select_sql = "SELECT %s FROM %s WHERE %s" % ( select_sql = "SELECT %s FROM %s WHERE %s ORDER BY rowid asc" % (
", ".join(retcols), ", ".join(retcols),
table, table,
" AND ".join("%s = ?" % (k) for k in keyvalues) " AND ".join("%s = ?" % (k) for k in keyvalues)
@ -461,7 +464,7 @@ class SQLBaseStore(object):
def _get_events_txn(self, txn, event_ids): def _get_events_txn(self, txn, event_ids):
# FIXME (erikj): This should be batched? # FIXME (erikj): This should be batched?
sql = "SELECT * FROM events WHERE event_id = ?" sql = "SELECT * FROM events WHERE event_id = ? ORDER BY rowid asc"
event_rows = [] event_rows = []
for e_id in event_ids: for e_id in event_ids:
@ -478,7 +481,9 @@ class SQLBaseStore(object):
def _parse_events_txn(self, txn, rows): def _parse_events_txn(self, txn, rows):
events = [self._parse_event_from_row(r) for r in rows] events = [self._parse_event_from_row(r) for r in rows]
select_event_sql = "SELECT * FROM events WHERE event_id = ?" select_event_sql = (
"SELECT * FROM events WHERE event_id = ? ORDER BY rowid asc"
)
for i, ev in enumerate(events): for i, ev in enumerate(events):
signatures = self._get_event_signatures_txn( signatures = self._get_event_signatures_txn(

12
tests/storage/test_base.py
View file

@ -84,7 +84,8 @@ class SQLBaseStoreTestCase(unittest.TestCase):
self.assertEquals("Value", value) self.assertEquals("Value", value)
self.mock_txn.execute.assert_called_with( self.mock_txn.execute.assert_called_with(
"SELECT retcol FROM tablename WHERE keycol = ?", "SELECT retcol FROM tablename WHERE keycol = ? "
"ORDER BY rowid asc",
["TheKey"] ["TheKey"]
) )
@ -101,7 +102,8 @@ class SQLBaseStoreTestCase(unittest.TestCase):
self.assertEquals({"colA": 1, "colB": 2, "colC": 3}, ret) self.assertEquals({"colA": 1, "colB": 2, "colC": 3}, ret)
self.mock_txn.execute.assert_called_with( self.mock_txn.execute.assert_called_with(
"SELECT colA, colB, colC FROM tablename WHERE keycol = ?", "SELECT colA, colB, colC FROM tablename WHERE keycol = ? "
"ORDER BY rowid asc",
["TheKey"] ["TheKey"]
) )
@ -135,7 +137,8 @@ class SQLBaseStoreTestCase(unittest.TestCase):
self.assertEquals([{"colA": 1}, {"colA": 2}, {"colA": 3}], ret) self.assertEquals([{"colA": 1}, {"colA": 2}, {"colA": 3}], ret)
self.mock_txn.execute.assert_called_with( self.mock_txn.execute.assert_called_with(
"SELECT colA FROM tablename WHERE keycol = ?", "SELECT colA FROM tablename WHERE keycol = ? "
"ORDER BY rowid asc",
["A set"] ["A set"]
) )
@ -184,7 +187,8 @@ class SQLBaseStoreTestCase(unittest.TestCase):
self.assertEquals({"columname": "Old Value"}, ret) self.assertEquals({"columname": "Old Value"}, ret)
self.mock_txn.execute.assert_has_calls([ self.mock_txn.execute.assert_has_calls([
call('SELECT columname FROM tablename WHERE keycol = ?', call('SELECT columname FROM tablename WHERE keycol = ? '
'ORDER BY rowid asc',
['TheKey']), ['TheKey']),
call("UPDATE tablename SET columname = ? WHERE keycol = ?", call("UPDATE tablename SET columname = ? WHERE keycol = ?",
["New Value", "TheKey"]) ["New Value", "TheKey"])