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[scn] scn for memtable

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This commit is contained in:
Handora
2022-11-28 02:02:38 +00:00
committed by ob-robot
parent a4c9f3e4d4
commit e77375018e
38 changed files with 416 additions and 507 deletions
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7
src/storage/ob_i_table.h
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@ -212,6 +212,13 @@ public:
virtual OB_INLINE share::ObScnRange &get_scn_range() { return key_.scn_range_; }
virtual OB_INLINE bool is_trans_state_deterministic() { return get_upper_trans_version() < INT64_MAX; }
virtual int64_t get_snapshot_version() const { return key_.get_snapshot_version(); }
// TODO: remove it
virtual palf::SCN get_snapshot_version_scn() const
{
palf::SCN scn;
scn.convert_for_tx(key_.get_snapshot_version());
return scn;
}
virtual int64_t get_upper_trans_version() const { return get_snapshot_version(); }
virtual int64_t get_max_merged_trans_version() const { return get_snapshot_version(); }
virtual int get_frozen_schema_version(int64_t &schema_version) const = 0;