go-sql-driver / mysql / 38271564354

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github

Add opt-in zstd protocol compression (#1823)

Add optional zstd compression via a blank import of
`github.com/go-sql-driver/mysql/zstd`. With `compress=true`, connections
prefer zstd and fall back to zlib when unsupported. Compression uses a
fixed level 3.

Applications that do not import `mysql/zstd` do not compile or link
`klauspost/compress`.

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