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db47/db47-4.7.25-replication_clients_open_sequence.patch

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*** sequence/sequence.c.orig 2008-05-05 13:25:09.000000000 -0700
--- sequence/sequence.c 2008-08-15 09:58:46.000000000 -0700
***************
*** 187,193 ****
if ((ret = __db_get_flags(dbp, &tflags)) != 0)
goto err;
! if (DB_IS_READONLY(dbp)) {
ret = __db_rdonly(dbp->env, "DB_SEQUENCE->open");
goto err;
}
--- 187,197 ----
if ((ret = __db_get_flags(dbp, &tflags)) != 0)
goto err;
! /*
! * We can let replication clients open sequences, but must
! * check later that they do not update them.
! */
! if (F_ISSET(dbp, DB_AM_RDONLY)) {
ret = __db_rdonly(dbp->env, "DB_SEQUENCE->open");
goto err;
}
***************
*** 244,249 ****
--- 248,258 ----
if ((ret != DB_NOTFOUND && ret != DB_KEYEMPTY) ||
!LF_ISSET(DB_CREATE))
goto err;
+ if (IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
+ goto err;
+ }
ret = 0;
rp = &seq->seq_record;
***************
*** 296,302 ****
*/
rp = seq->seq_data.data;
if (rp->seq_version == DB_SEQUENCE_OLDVER) {
! oldver: rp->seq_version = DB_SEQUENCE_VERSION;
if (!F_ISSET(env, ENV_LITTLEENDIAN)) {
if (IS_DB_AUTO_COMMIT(dbp, txn)) {
if ((ret =
--- 305,316 ----
*/
rp = seq->seq_data.data;
if (rp->seq_version == DB_SEQUENCE_OLDVER) {
! oldver: if (IS_REP_CLIENT(env) &&
! !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
! ret = __db_rdonly(env, "DB_SEQUENCE->open");
! goto err;
! }
! rp->seq_version = DB_SEQUENCE_VERSION;
if (!F_ISSET(env, ENV_LITTLEENDIAN)) {
if (IS_DB_AUTO_COMMIT(dbp, txn)) {
if ((ret =
***************
*** 707,712 ****
--- 721,733 ----
MUTEX_LOCK(env, seq->mtx_seq);
+ if (handle_check && IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->get");
+ goto err;
+ }
+
+
if (rp->seq_min + delta > rp->seq_max) {
__db_errx(env, "Sequence overflow");
ret = EINVAL;