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[PGPRO-7565] use 64-bit atomic access for MyPgXact xid/xmin#21

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4 changes: 4 additions & 0 deletionssrc/dmq.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -1449,7 +1449,11 @@ dmq_receiver_loop(PG_FUNCTION_ARGS)
extra = dmq_receiver_start_hook(sender_name);

/* do not hold globalxmin. XXX: try to carefully release snaps */
#ifdef PGPRO_EE
pg_atomic_write_u64(&MyPgXact->xmin, InvalidTransactionId);
#else
MyPgXact->xmin = InvalidTransactionId;
#endif

for (;;)
{
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