diff options
Diffstat (limited to 'storage/innobase/include/rem0rec.inl')
| -rw-r--r-- | storage/innobase/include/rem0rec.inl | 72 |
1 files changed, 1 insertions, 71 deletions
diff --git a/storage/innobase/include/rem0rec.inl b/storage/innobase/include/rem0rec.inl index 30c72a7415a..46c209cbdec 100644 --- a/storage/innobase/include/rem0rec.inl +++ b/storage/innobase/include/rem0rec.inl @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1994, 2019, Oracle and/or its affiliates. All Rights Reserved. -Copyright (c) 2017, 2020, MariaDB Corporation. +Copyright (c) 2017, 2022, 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 @@ -204,76 +204,6 @@ rec_set_bit_field_2( } /******************************************************//** -The following function is used to get the pointer of the next chained record -on the same page. -@return pointer to the next chained record, or NULL if none */ -UNIV_INLINE -const rec_t* -rec_get_next_ptr_const( -/*===================*/ - const rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - ulint field_value; - - compile_time_assert(REC_NEXT_MASK == 0xFFFFUL); - compile_time_assert(REC_NEXT_SHIFT == 0); - - field_value = mach_read_from_2(rec - REC_NEXT); - - if (field_value == 0) { - - return(NULL); - } - - if (comp) { -#if UNIV_PAGE_SIZE_MAX <= 32768 - /* Note that for 64 KiB pages, field_value can 'wrap around' - and the debug assertion is not valid */ - - /* In the following assertion, field_value is interpreted - as signed 16-bit integer in 2's complement arithmetics. - If all platforms defined int16_t in the standard headers, - the expression could be written simpler as - (int16_t) field_value + ut_align_offset(...) < srv_page_size - */ - ut_ad((field_value >= 32768 - ? field_value - 65536 - : field_value) - + ut_align_offset(rec, srv_page_size) - < srv_page_size); -#endif - /* There must be at least REC_N_NEW_EXTRA_BYTES + 1 - between each record. */ - ut_ad((field_value > REC_N_NEW_EXTRA_BYTES - && field_value < 32768) - || field_value < (uint16) -REC_N_NEW_EXTRA_BYTES); - - return((byte*) ut_align_down(rec, srv_page_size) - + ut_align_offset(rec + field_value, srv_page_size)); - } else { - ut_ad(field_value < srv_page_size); - - return((byte*) ut_align_down(rec, srv_page_size) - + field_value); - } -} - -/******************************************************//** -The following function is used to get the pointer of the next chained record -on the same page. -@return pointer to the next chained record, or NULL if none */ -UNIV_INLINE -rec_t* -rec_get_next_ptr( -/*=============*/ - rec_t* rec, /*!< in: physical record */ - ulint comp) /*!< in: nonzero=compact page format */ -{ - return(const_cast<rec_t*>(rec_get_next_ptr_const(rec, comp))); -} - -/******************************************************//** The following function is used to get the offset of the next chained record on the same page. @return the page offset of the next chained record, or 0 if none */ |