diff options
Diffstat (limited to 'synapse/_scripts')
| -rwxr-xr-x | synapse/_scripts/synapse_port_db.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/synapse/_scripts/synapse_port_db.py b/synapse/_scripts/synapse_port_db.py index 642fd41629..26834a437e 100755 --- a/synapse/_scripts/synapse_port_db.py +++ b/synapse/_scripts/synapse_port_db.py @@ -418,12 +418,15 @@ class Porter: self.progress.update(table, table_size) # Mark table as done return + # We sweep over rowids in two directions: one forwards (rowids 1, 2, 3, ...) + # and another backwards (rowids 0, -1, -2, ...). 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,) + "SELECT rowid, * FROM %s WHERE rowid <= ? ORDER BY rowid DESC LIMIT ?" + % (table,) ) do_forward = [True] |