andreacavalli/rocksdb
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Store upper bound Slice with the same lifetime as the ReadOptions so that we can provide a pointer to it.

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This commit is contained in:
Matt Amos 2014-11-25 23:08:59 +00:00
parent 805bac6d25
commit 26109d487a
1 changed files with 12 additions and 3 deletions
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15
db/c.cc
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@ -80,7 +80,10 @@ struct rocksdb_writebatch_t { WriteBatch rep; };
struct rocksdb_snapshot_t { const Snapshot* rep; };
struct rocksdb_flushoptions_t { FlushOptions rep; };
struct rocksdb_fifo_compaction_options_t { CompactionOptionsFIFO rep; };
struct rocksdb_readoptions_t { ReadOptions rep; };
struct rocksdb_readoptions_t {
ReadOptions rep;
Slice upper_bound; // stack variable to set pointer to in ReadOptions
};
struct rocksdb_writeoptions_t { WriteOptions rep; };
struct rocksdb_options_t { Options rep; };
struct rocksdb_block_based_table_options_t { BlockBasedTableOptions rep; };
@ -1891,8 +1894,14 @@ void rocksdb_readoptions_set_snapshot(
void rocksdb_readoptions_set_iterate_upper_bound(
rocksdb_readoptions_t* opt,
const char* key, size_t keylen) {
Slice prefix = Slice(key, keylen);
opt->rep.iterate_upper_bound = &prefix;
if (key == nullptr) {
opt->upper_bound = Slice();
opt->rep.iterate_upper_bound = nullptr;
} else {
opt->upper_bound = Slice(key, keylen);
opt->rep.iterate_upper_bound = &opt->upper_bound;
}
}
void rocksdb_readoptions_set_read_tier(