diff options
Diffstat (limited to 'storage/innobase/include/trx0rec.h')
| -rw-r--r-- | storage/innobase/include/trx0rec.h | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/storage/innobase/include/trx0rec.h b/storage/innobase/include/trx0rec.h index ed45e1de82e..955a726eb50 100644 --- a/storage/innobase/include/trx0rec.h +++ b/storage/innobase/include/trx0rec.h @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved. -Copyright (c) 2017, MariaDB Corporation. +Copyright (c) 2017, 2018, MariaDB Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -155,6 +155,7 @@ trx_undo_rec_get_partial_row( used, as we do NOT copy the data in the record! */ dict_index_t* index, /*!< in: clustered index */ + const upd_t* update, /*!< in: updated columns */ dtuple_t** row, /*!< out, own: partial row */ ibool ignore_prefix, /*!< in: flag to indicate if we expect blob prefixes in undo. Used @@ -162,6 +163,13 @@ trx_undo_rec_get_partial_row( mem_heap_t* heap) /*!< in: memory heap from which the memory needed is allocated */ MY_ATTRIBUTE((nonnull, warn_unused_result)); +/** Report a RENAME TABLE operation. +@param[in,out] trx transaction +@param[in] table table that is being renamed +@return DB_SUCCESS or error code */ +dberr_t +trx_undo_report_rename(trx_t* trx, const dict_table_t* table) + MY_ATTRIBUTE((nonnull, warn_unused_result)); /***********************************************************************//** Writes information to an undo log about an insert, update, or a delete marking of a clustered index record. This information is used in a rollback of the @@ -188,10 +196,8 @@ trx_undo_report_row_operation( marking, the record in the clustered index; NULL if insert */ const ulint* offsets, /*!< in: rec_get_offsets(rec) */ - roll_ptr_t* roll_ptr) /*!< out: rollback pointer to the - inserted undo log record, - 0 if BTR_NO_UNDO_LOG - flag was specified */ + roll_ptr_t* roll_ptr) /*!< out: DB_ROLL_PTR to the + undo log record */ MY_ATTRIBUTE((nonnull(1,2,8), warn_unused_result)); /** status bit used for trx_undo_prev_version_build() */ @@ -238,25 +244,22 @@ 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 for crash-upgrade from MariaDB 10.2. +@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 @@ -307,7 +310,8 @@ trx_undo_read_v_idx( compilation info multiplied by 16 is ORed to this value in an undo log record */ -#define TRX_UNDO_INSERT_DEFAULT 10 /* insert a "default value" +#define TRX_UNDO_RENAME_TABLE 9 /*!< RENAME TABLE */ +#define TRX_UNDO_INSERT_DEFAULT 10 /*!< insert a "default value" 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 |