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// SERVER-7200 On startup, replica set nodes delete oplog state past the oplog delete point and
// apply any remaining unapplied ops before coming up as a secondary. If the op fails to apply, the
// server must fail to start up.
//
// @tags: [requires_persistence]
(function() {
"use strict";
var rst = new ReplSetTest({
nodes: 1,
});
rst.startSet();
rst.initiate();
var conn = rst.getPrimary(); // Waits for PRIMARY state.
conn = rst.restart(0, {noReplSet: true}); // Restart as a standalone node.
assert.neq(null, conn, "failed to restart");
var oplog = conn.getCollection('local.oplog.rs');
var lastOplogDoc = conn.getCollection('local.oplog.rs').find().sort({$natural: -1}).limit(1)[0];
var lastTs = lastOplogDoc.ts;
var newTs = Timestamp(lastTs.t + 1, 1);
var term = lastOplogDoc.t;
if (typeof(term) == 'undefined') {
term = -1; // Use a dummy term for PV0.
}
assert.writeOK(oplog.insert({
ts: newTs,
t: term,
h: 1,
op: 'c',
ns: 'somedb.$cmd',
o: {thereIsNoCommandWithThisName: 1},
}));
var injectedMinValidDoc = {
_id: ObjectId(),
// minvalid:
ts: newTs,
t: term,
// appliedThrough
begin: {
ts: lastTs,
t: term,
},
oplogDeleteFromPoint: Timestamp(),
};
// This weird mechanism is the only way to bypass mongod's attempt to fill in null
// Timestamps.
var minValidColl = conn.getCollection('local.replset.minvalid');
assert.writeOK(minValidColl.remove({}));
assert.writeOK(minValidColl.update({}, {$set: injectedMinValidDoc}, {upsert: true}));
assert.eq(minValidColl.findOne(),
injectedMinValidDoc,
"If the Timestamps differ, the server may be filling in the null timestamps");
assert.throws(() => rst.restart(0)); // Restart in replSet mode again.
rst.stopSet();
})();
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