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324.1.1
by Mats Kindahl
Adding specification of a simple protobuf-based binary log format, |
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package BinaryLog; |
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// Design goals:
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// - Keep the name of the individual binary logs out of the files. We
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// assume that each binary log has a base name (e.g., the name of
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// the server) and a sequence number, but we do not want to tie the
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// base name
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message Header { |
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required uint32 server_id = 1; |
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required uint32 trans_id = 2; |
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required uint32 seqno = 3; |
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}
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// Start of a binary log. Note that the name
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message Start { |
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required Header header = 1; |
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required uint32 server_version = 2; |
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required string server_signature = 3; |
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}
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// Chain a binary log to the next binary log
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message Chain { |
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required Header header = 1; |
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required uint32 next = 2; // Sequence number of next file |
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}
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message Query { |
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// Assignments to variables that are part of the query
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message Variable { |
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required string name = 1; |
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required string value = 2; |
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// Character set?
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}
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required Header header = 1; |
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repeated Variable variable = 3; |
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required string query = 2; |
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}
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message Commit { |
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required Header header = 1; |
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}
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message Rollback { |
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required Header header = 1; |
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}
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