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git-svn-id: https://leveldb.googlecode.com/svn/trunk@16 62dab493-f737-651d-591e-8d6aee1b9529
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jorlow@chromium.org
2011-03-28 20:43:44 +00:00
parent e11bdf1935
commit e2da744e12
17 changed files with 67 additions and 71 deletions
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15
db/table_cache.h
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@@ -23,15 +23,16 @@ class TableCache {
TableCache(const std::string& dbname, const Options* options, int entries);
~TableCache();
// Get an iterator for the specified file number and return it. If
// "tableptr" is non-NULL, also sets "*tableptr" to point to the
// Table object underlying the returned iterator, or NULL if no
// Table object underlies the returned iterator. The returned
// "*tableptr" object is owned by the cache and should not be
// deleted, and is valid for as long as the returned iterator is
// live.
// Return an iterator for the specified file number (the corresponding
// file length must be exactly "file_size" bytes). If "tableptr" is
// non-NULL, also sets "*tableptr" to point to the Table object
// underlying the returned iterator, or NULL if no Table object underlies
// the returned iterator. The returned "*tableptr" object is owned by
// the cache and should not be deleted, and is valid for as long as the
// returned iterator is live.
Iterator* NewIterator(const ReadOptions& options,
uint64_t file_number,
uint64_t file_size,
Table** tableptr = NULL);
// Evict any entry for the specified file number