Remove poorly worded and duplicated comment
Move line of code to avoid need for duplicated comment Brought to attention by Masahiko Sawada
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@ -2039,14 +2039,6 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)
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serialized_snapshot.whenTaken = snapshot->whenTaken;
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serialized_snapshot.whenTaken = snapshot->whenTaken;
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serialized_snapshot.lsn = snapshot->lsn;
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serialized_snapshot.lsn = snapshot->lsn;
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/*
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* Ignore the SubXID array if it has overflowed, unless the snapshot was
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* taken during recovey - in that case, top-level XIDs are in subxip as
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* well, and we mustn't lose them.
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*/
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if (serialized_snapshot.suboverflowed && !snapshot->takenDuringRecovery)
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serialized_snapshot.subxcnt = 0;
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/* Copy struct to possibly-unaligned buffer */
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/* Copy struct to possibly-unaligned buffer */
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memcpy(start_address,
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memcpy(start_address,
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&serialized_snapshot, sizeof(SerializedSnapshotData));
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&serialized_snapshot, sizeof(SerializedSnapshotData));
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@ -2063,6 +2055,9 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)
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* snapshot taken during recovery; all the top-level XIDs are in subxip as
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* snapshot taken during recovery; all the top-level XIDs are in subxip as
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* well in that case, so we mustn't lose them.
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* well in that case, so we mustn't lose them.
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*/
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*/
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if (serialized_snapshot.suboverflowed && !snapshot->takenDuringRecovery)
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serialized_snapshot.subxcnt = 0;
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if (serialized_snapshot.subxcnt > 0)
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if (serialized_snapshot.subxcnt > 0)
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{
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{
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Size subxipoff = sizeof(SerializedSnapshotData) +
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Size subxipoff = sizeof(SerializedSnapshotData) +
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