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Diffstat (limited to 'storage/innobase/include/trx0undo.h')
-rw-r--r--storage/innobase/include/trx0undo.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/storage/innobase/include/trx0undo.h b/storage/innobase/include/trx0undo.h
index ed2ce66bbb6..4021d71c68a 100644
--- a/storage/innobase/include/trx0undo.h
+++ b/storage/innobase/include/trx0undo.h
@@ -65,6 +65,15 @@ ibool
trx_undo_roll_ptr_is_insert(
/*========================*/
roll_ptr_t roll_ptr); /*!< in: roll pointer */
+/***********************************************************************//**
+Returns true if the record is of the insert type.
+@return true if the record was freshly inserted (not updated). */
+UNIV_INLINE
+bool
+trx_undo_trx_id_is_insert(
+/*======================*/
+ const byte* trx_id) /*!< in: DB_TRX_ID, followed by DB_ROLL_PTR */
+ __attribute__((nonnull, pure, warn_unused_result));
#endif /* !UNIV_HOTBACKUP */
/*****************************************************************//**
Writes a roll ptr to an index page. In case that the size changes in
@@ -285,11 +294,12 @@ undo log reused.
are: DB_TOO_MANY_CONCURRENT_TRXS DB_OUT_OF_FILE_SPACE DB_READ_ONLY
DB_OUT_OF_MEMORY */
UNIV_INTERN
-ulint
+dberr_t
trx_undo_assign_undo(
/*=================*/
trx_t* trx, /*!< in: transaction */
- ulint type); /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */
+ ulint type) /*!< in: TRX_UNDO_INSERT or TRX_UNDO_UPDATE */
+ __attribute__((nonnull, warn_unused_result));
/******************************************************************//**
Sets the state of the undo log segment at a transaction finish.
@return undo log segment header page, x-latched */
@@ -404,7 +414,7 @@ trx_undo_mem_free(
/** Transaction undo log memory object; this is protected by the undo_mutex
in the corresponding transaction object */
-struct trx_undo_struct{
+struct trx_undo_t{
/*-----------------------------*/
ulint id; /*!< undo log slot number within the
rollback segment */