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Add the property block for the plain table

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Summary:
This is the last diff that adds the property block to plain table.
The format resembles that of the block-based table: https://github.com/facebook/rocksdb/wiki/Rocksdb-table-format

  [data block]
  [meta block 1: stats block]
  [meta block 2: future extended block]
  ...
  [meta block K: future extended block]  (we may add more meta blocks in the future)
  [metaindex block]
  [index block: we only have the placeholder here, we can add persistent index block in the future]
  [Footer: contains magic number, handle to metaindex block and index block]
  <end_of_file>

Test Plan: extended existing property block test.

Reviewers: haobo, sdong, dhruba

CC: leveldb

Differential Revision: https://reviews.facebook.net/D14523
This commit is contained in:
Kai Liu
2013-12-05 16:51:26 -08:00
parent 5f5e5fc2e9
commit 2e9efcd6d8
13 changed files with 578 additions and 307 deletions
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10
table/plain_table_builder.h
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@@ -32,14 +32,6 @@ public:
// REQUIRES: Either Finish() or Abandon() has been called.
~PlainTableBuilder();
// Change the options used by this builder. Note: only some of the
// option fields can be changed after construction. If a field is
// not allowed to change dynamically and its value in the structure
// passed to the constructor is different from its value in the
// structure passed to this method, this method will return an error
// without changing any fields.
Status ChangeOptions(const Options& options);
// Add key,value to the table being constructed.
// REQUIRES: key is after any previously added key according to comparator.
// REQUIRES: Finish(), Abandon() have not been called
@@ -72,7 +64,7 @@ private:
WritableFile* file_;
uint64_t offset_ = 0;
Status status_;
uint64_t num_entries_ = 0;
TableProperties properties_;
const size_t user_key_size_;
bool closed_ = false; // Either Finish() or Abandon() has been called.