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Diffstat (limited to 'storage/innobase/include/data0data.h')
| -rw-r--r-- | storage/innobase/include/data0data.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/storage/innobase/include/data0data.h b/storage/innobase/include/data0data.h index fbbdd3b8f2d..0b20bfbe975 100644 --- a/storage/innobase/include/data0data.h +++ b/storage/innobase/include/data0data.h @@ -545,6 +545,33 @@ struct dtuple_t { inserted or updated. @param[in] index index possibly with instantly added columns */ void trim(const dict_index_t& index); + + /** + @param info_bits the info_bits of a data tuple + @return whether this is a hidden metadata record + for instant ADD COLUMN or ALTER TABLE */ + static bool is_alter_metadata(ulint info_bits) + { + return UNIV_UNLIKELY(info_bits == REC_INFO_METADATA_ALTER); + } + + /** + @param info_bits the info_bits of a data tuple + @return whether this is a hidden metadata record + for instant ADD COLUMN or ALTER TABLE */ + static bool is_metadata(ulint info_bits) + { + return UNIV_UNLIKELY((info_bits & ~REC_INFO_DELETED_FLAG) + == REC_INFO_METADATA_ADD); + } + + /** @return whether this is a hidden metadata record + for instant ALTER TABLE (not only ADD COLUMN) */ + bool is_alter_metadata() const { return is_alter_metadata(info_bits); } + + /** @return whether this is a hidden metadata record + for instant ADD COLUMN or ALTER TABLE */ + bool is_metadata() const { return is_metadata(info_bits); } }; inline ulint dtuple_get_n_fields(const dtuple_t* tuple) |