Add LMDB and RocksDB upgrades to v22: Remove unchecked table#4131
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clemahieu merged 4 commits intonanocurrency:developfrom May 15, 2023
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Add LMDB and RocksDB upgrades to v22: Remove unchecked table#4131clemahieu merged 4 commits intonanocurrency:developfrom
clemahieu merged 4 commits intonanocurrency:developfrom
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thsfs
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Apr 17, 2023
thsfs
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Apr 17, 2023
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For binary compatibility the respective unchecked table handle should be removed as well. This will require some clean up work in the the unchecked_map.?pp and secure/store.?pp files, because they are currently relying on this table to exist even not using it.
Suggest sending another PR for the clean up work before resuming with this.
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clemahieu
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Apr 25, 2023
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In pull request nanocurrency#4021 the binary representation of `unchecked_info` was changed. We have to clear the unchecked table, because the new binary format is not compatible with the old one. This commit only clears the unchecked table for the LMDB implementation. The RocksDB implementation doesn't have an upgrade mechanism yet. - Delete the unchecked DB from the LMDB environment - Simplify the unchecked handle
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thsfs
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| generate_tombstone_map (); | ||
| small_table_factory.reset (::rocksdb::NewBlockBasedTableFactory (get_small_table_options ())); | ||
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| // TODO: get_db_options () registers a listener for resetting tombstones, needs to check if it is a problem calling it more than once. |
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Encapsulating this to only be called once looks correct.
clemahieu
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I was able to verify the table was dropped and version number increased.
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In pull request #4021 the binary representation of
unchecked_infowas changed. We have to clear the unchecked table, because the new binary format is not compatible with the old one.This commit only clears the unchecked table for the LMDB implementation. The RocksDB implementation doesn't have an upgrade mechanism yet.