5746767387
Summary: This is adapted from https://github.com/facebook/rocksdb/issues/6678 but takes a different approach, avoiding opening a read-write DB and avoiding the `DeleteFile()` API. First, this PR refactors how options variables are initialized in `ldb` so it can be reused in a subcommand that doesn't open a DB: - Separated remaining option initialization logic out of `OpenDB()`. The new `PrepareOptions()` function initializes the full options state. - Fixed an old TODO about applying the subcommand CF option overrides to the proper `ColumnFamilyOptions` object. Second, this PR adds the `ldb unsafe_remove_sst_file` subcommand. It uses the `VersionSet`-level APIs to remove the file with the specified number. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7335 Test Plan: played with interactive python and this file removal command. Verified openability/correct results in case of multiple column families, multiple levels, etc. Reviewed By: pdillinger Differential Revision: D23454575 Pulled By: ajkr fbshipit-source-id: 039b7a8cbfc42fd123dcb25821eef51d61148afe |
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