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Fix duplicate keys in listings on parallel updates -- do not rewind key "iterator position"

master
Vitaliy Filippov 2023-10-26 02:04:20 +03:00
parent c0681d8242
commit 605afc3583
1 changed files with 6 additions and 1 deletions
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7
src/kv_db.cpp
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@ -1732,6 +1732,7 @@ void kv_op_t::next_get()
// Left half finished, go to the right
recheck_policy = KV_RECHECK_LEAF;
key = blk->right_half;
skip_equal = false;
prev_key_ge = blk->right_half;
prev_key_lt = blk->key_lt;
path[path.size()-1].offset = cur_block = blk->right_half_block;
@ -1754,7 +1755,11 @@ void kv_op_t::next_go_up()
finish(-ENOENT);
return;
}
key = blk->key_lt;
if (blk->key_lt != "" && blk->key_lt > key)
{
// Block can be updated and key_lt may be lower. Don't rewind it
key = blk->key_lt;
}
skip_equal = false;
path.pop_back();
cur_level--;