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55 lines
1.5 KiB
55 lines
1.5 KiB
--- a/sequence/sequence.c
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+++ b/sequence/sequence.c
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@@ -187,7 +187,11 @@ __seq_open_pp(seq, txn, keyp, flags)
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if ((ret = __db_get_flags(dbp, &tflags)) != 0)
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goto err;
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- if (DB_IS_READONLY(dbp)) {
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+ /*
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+ * We can let replication clients open sequences, but must
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+ * check later that they do not update them.
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+ */
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+ if (F_ISSET(dbp, DB_AM_RDONLY)) {
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ret = __db_rdonly(dbp->env, "DB_SEQUENCE->open");
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goto err;
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}
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@@ -244,6 +248,11 @@ retry: if ((ret = __db_get(dbp, ip,
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if ((ret != DB_NOTFOUND && ret != DB_KEYEMPTY) ||
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!LF_ISSET(DB_CREATE))
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goto err;
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+ if (IS_REP_CLIENT(env) &&
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+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
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+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
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+ goto err;
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+ }
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ret = 0;
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rp = &seq->seq_record;
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@@ -296,7 +305,12 @@ retry: if ((ret = __db_get(dbp, ip,
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*/
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rp = seq->seq_data.data;
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if (rp->seq_version == DB_SEQUENCE_OLDVER) {
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-oldver: rp->seq_version = DB_SEQUENCE_VERSION;
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+oldver: if (IS_REP_CLIENT(env) &&
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+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
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+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
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+ goto err;
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+ }
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+ rp->seq_version = DB_SEQUENCE_VERSION;
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if (!F_ISSET(env, ENV_LITTLEENDIAN)) {
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if (IS_DB_AUTO_COMMIT(dbp, txn)) {
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if ((ret =
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@@ -707,6 +721,13 @@ __seq_get(seq, txn, delta, retp, flags)
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MUTEX_LOCK(env, seq->mtx_seq);
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+ if (handle_check && IS_REP_CLIENT(env) &&
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+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
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+ ret = __db_rdonly(env, "DB_SEQUENCE->get");
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+ goto err;
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+ }
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+
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+
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if (rp->seq_min + delta > rp->seq_max) {
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__db_errx(env, "Sequence overflow");
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ret = EINVAL;
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