diff options
Diffstat (limited to 'storage/innobase/include/trx0rec.h')
| -rw-r--r-- | storage/innobase/include/trx0rec.h | 54 |
1 files changed, 20 insertions, 34 deletions
diff --git a/storage/innobase/include/trx0rec.h b/storage/innobase/include/trx0rec.h index be06db4c954..f27d8af0368 100644 --- a/storage/innobase/include/trx0rec.h +++ b/storage/innobase/include/trx0rec.h @@ -53,22 +53,6 @@ trx_undo_rec_get_type( /*==================*/ const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ /**********************************************************************//** -Reads from an undo log record the record compiler info. -@return compiler info */ -UNIV_INLINE -ulint -trx_undo_rec_get_cmpl_info( -/*=======================*/ - const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/**********************************************************************//** -Returns TRUE if an undo log record contains an extern storage field. -@return TRUE if extern */ -UNIV_INLINE -ibool -trx_undo_rec_get_extern_storage( -/*============================*/ - const trx_undo_rec_t* undo_rec); /*!< in: undo log record */ -/**********************************************************************//** Reads the undo log record number. @return undo no */ UNIV_INLINE @@ -111,7 +95,7 @@ trx_undo_rec_get_row_ref( used, as we do NOT copy the data in the record! */ dict_index_t* index, /*!< in: clustered index */ - dtuple_t** ref, /*!< out, own: row reference */ + const dtuple_t**ref, /*!< out, own: row reference */ mem_heap_t* heap); /*!< in: memory heap from which the memory needed is allocated */ /**********************************************************************//** @@ -256,25 +240,22 @@ trx_undo_prev_version_build( into this function by purge thread or not. And if we read "after image" of undo log */ -/***********************************************************//** -Parses a redo log record of adding an undo log record. -@return end of log record or NULL */ +/** Parse MLOG_UNDO_INSERT. +@param[in] ptr log record +@param[in] end_ptr end of log record buffer +@param[in,out] page page or NULL +@return end of log record +@retval NULL if the log record is incomplete */ byte* trx_undo_parse_add_undo_rec( -/*========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page); /*!< in: page or NULL */ -/***********************************************************//** -Parses a redo log record of erasing of an undo page end. -@return end of log record or NULL */ -byte* -trx_undo_parse_erase_page_end( -/*==========================*/ - byte* ptr, /*!< in: buffer */ - byte* end_ptr,/*!< in: buffer end */ - page_t* page, /*!< in: page or NULL */ - mtr_t* mtr); /*!< in: mtr or NULL */ + const byte* ptr, + const byte* end_ptr, + page_t* page); +/** Erase the unused undo log page end. +@param[in,out] undo_page undo log page +@return whether the page contained something */ +bool +trx_undo_erase_page_end(page_t* undo_page); /** Read from an undo log record a non-virtual column value. @param[in,out] ptr pointer to remaining part of the undo record @@ -326,6 +307,8 @@ compilation info multiplied by 16 is ORed to this value in an undo log record */ #define TRX_UNDO_RENAME_TABLE 9 /*!< RENAME TABLE */ +#define TRX_UNDO_INSERT_METADATA 10 /*!< insert a metadata + pseudo-record for instant ALTER */ #define TRX_UNDO_INSERT_REC 11 /* fresh insert into clustered index */ #define TRX_UNDO_UPD_EXIST_REC 12 /* update of a non-delete-marked record */ @@ -341,6 +324,9 @@ record */ storage fields: used by purge to free the external storage */ +/** The search tuple corresponding to TRX_UNDO_INSERT_METADATA */ +extern const dtuple_t trx_undo_metadata; + #include "trx0rec.ic" #endif /* trx0rec_h */ |