D 2026-05-13T19:10:40
T +sym-v0.6.3 202576c58c87d35a6253ce96e9032a545be0942eace8a0481157cbfdb167046a v0.6.3\s—\sfix\sconcurrent-writer\sSQLITE_BUSY\srace\n\nFixes\s#33:\sdb.WithTx\sopens\sBEGIN\sDEFERRED,\sso\sunder\sWAL\stwo\sconcurrent\nwriters\srace\sthe\sSHARED→RESERVED\supgrade\sand\sSQLite's\sdeadlock-avoidance\nreturns\sSQLITE_BUSY\simmediately\s—\sbypassing\sbusy_timeout\sentirely.\n\nDSN\snow\ssets\s_txlock=immediate\sin\sboth\smodernc\sand\sncruces\sdrivers\sso\nevery\sBEGIN\sacquires\sRESERVED\supfront.\sThe\ssecond\sconcurrent\swriter\nblocks\sat\sBEGIN\s(where\sbusy_timeout\sapplies)\sinstead\sof\sracing\sat\sthe\nupgrade.\n\nVerified\sempirically:\s50/50\sfail\swithout\sfix,\s0/50\swith\sfix.
U 93289084+danmestas@users.noreply.github.com
Z e352151e8b465bad787ca50a018231a5