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document semantics on history queries

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Jude Nelson
2018-02-12 11:00:32 -05:00
parent fcc05db338
commit 24d5533949
1 changed files with 1 additions and 0 deletions
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blockstack/lib/nameset/db.py
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@@ -1265,6 +1265,7 @@ def namedb_get_blocks_with_ops( cur, history_id, start_block_id, end_block_id ):
"""
Get the block heights at which a name was affected by an operation.
Returns the list of heights.
Returns [] if there is no history for this item.
"""
select_query = "SELECT DISTINCT name_records.block_number,history.block_id FROM history JOIN name_records ON history.history_id = name_records.name " + \
"WHERE name_records.name = ? AND ((name_records.block_number >= ? OR history.block_id >= ?) AND (name_records.block_number < ? OR history.block_id < ?));"