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Diffstat (limited to 'storage/innobase/include/btr0btr.ic')
| -rw-r--r-- | storage/innobase/include/btr0btr.ic | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/storage/innobase/include/btr0btr.ic b/storage/innobase/include/btr0btr.ic deleted file mode 100644 index 4a88f58b318..00000000000 --- a/storage/innobase/include/btr0btr.ic +++ /dev/null @@ -1,234 +0,0 @@ -/****************************************************** -The B-tree - -(c) 1994-1996 Innobase Oy - -Created 6/2/1994 Heikki Tuuri -*******************************************************/ - -#include "mach0data.h" -#include "mtr0mtr.h" -#include "mtr0log.h" - -#define BTR_MAX_NODE_LEVEL 50 /* used in debug checking */ - -/****************************************************************** -Gets a buffer page and declares its latching order level. */ -UNIV_INLINE -page_t* -btr_page_get( -/*=========*/ - ulint space, /* in: space id */ - ulint page_no, /* in: page number */ - ulint mode, /* in: latch mode */ - mtr_t* mtr) /* in: mtr */ -{ - page_t* page; - - page = buf_page_get(space, page_no, mode, mtr); -#ifdef UNIV_SYNC_DEBUG - if (mode != RW_NO_LATCH) { - - buf_page_dbg_add_level(page, SYNC_TREE_NODE); - } -#endif - return(page); -} - -/****************************************************************** -Sets the index id field of a page. */ -UNIV_INLINE -void -btr_page_set_index_id( -/*==================*/ - page_t* page, /* in: page to be created */ - dulint id, /* in: index id */ - mtr_t* mtr) /* in: mtr */ -{ - mlog_write_dulint(page + PAGE_HEADER + PAGE_INDEX_ID, id, mtr); -} - -/****************************************************************** -Gets the index id field of a page. */ -UNIV_INLINE -dulint -btr_page_get_index_id( -/*==================*/ - /* out: index id */ - page_t* page) /* in: index page */ -{ - return(mach_read_from_8(page + PAGE_HEADER + PAGE_INDEX_ID)); -} - -/************************************************************ -Gets the node level field in an index page. */ -UNIV_INLINE -ulint -btr_page_get_level_low( -/*===================*/ - /* out: level, leaf level == 0 */ - page_t* page) /* in: index page */ -{ - ulint level; - - ut_ad(page); - - level = mach_read_from_2(page + PAGE_HEADER + PAGE_LEVEL); - - ut_ad(level <= BTR_MAX_NODE_LEVEL); - - return(level); -} - -/************************************************************ -Gets the node level field in an index page. */ -UNIV_INLINE -ulint -btr_page_get_level( -/*===============*/ - /* out: level, leaf level == 0 */ - page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - return(btr_page_get_level_low(page)); -} - -/************************************************************ -Sets the node level field in an index page. */ -UNIV_INLINE -void -btr_page_set_level( -/*===============*/ - page_t* page, /* in: index page */ - ulint level, /* in: level, leaf level == 0 */ - mtr_t* mtr) /* in: mini-transaction handle */ -{ - ut_ad(page && mtr); - ut_ad(level <= BTR_MAX_NODE_LEVEL); - - mlog_write_ulint(page + PAGE_HEADER + PAGE_LEVEL, level, - MLOG_2BYTES, mtr); -} - -/************************************************************ -Gets the next index page number. */ -UNIV_INLINE -ulint -btr_page_get_next( -/*==============*/ - /* out: next page number */ - page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ -{ - ut_ad(page && mtr); - ut_ad(mtr_memo_contains(mtr, buf_block_align(page), - MTR_MEMO_PAGE_X_FIX) - || mtr_memo_contains(mtr, buf_block_align(page), - MTR_MEMO_PAGE_S_FIX)); - - return(mach_read_from_4(page + FIL_PAGE_NEXT)); -} - -/************************************************************ -Sets the next index page field. */ -UNIV_INLINE -void -btr_page_set_next( -/*==============*/ - page_t* page, /* in: index page */ - ulint next, /* in: next page number */ - mtr_t* mtr) /* in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - mlog_write_ulint(page + FIL_PAGE_NEXT, next, MLOG_4BYTES, mtr); -} - -/************************************************************ -Gets the previous index page number. */ -UNIV_INLINE -ulint -btr_page_get_prev( -/*==============*/ - /* out: prev page number */ - page_t* page, /* in: index page */ - mtr_t* mtr __attribute__((unused))) /* in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - return(mach_read_from_4(page + FIL_PAGE_PREV)); -} - -/************************************************************ -Sets the previous index page field. */ -UNIV_INLINE -void -btr_page_set_prev( -/*==============*/ - page_t* page, /* in: index page */ - ulint prev, /* in: previous page number */ - mtr_t* mtr) /* in: mini-transaction handle */ -{ - ut_ad(page && mtr); - - mlog_write_ulint(page + FIL_PAGE_PREV, prev, MLOG_4BYTES, mtr); -} - -/****************************************************************** -Gets the child node file address in a node pointer. */ -UNIV_INLINE -ulint -btr_node_ptr_get_child_page_no( -/*===========================*/ - /* out: child node address */ - rec_t* rec, /* in: node pointer record */ - const ulint* offsets)/* in: array returned by rec_get_offsets() */ -{ - byte* field; - ulint len; - ulint page_no; - - ut_ad(!rec_offs_comp(offsets) || rec_get_node_ptr_flag(rec)); - - /* The child address is in the last field */ - field = rec_get_nth_field(rec, offsets, - rec_offs_n_fields(offsets) - 1, &len); - - ut_ad(len == 4); - - page_no = mach_read_from_4(field); - - if (UNIV_UNLIKELY(page_no == 0)) { - fprintf(stderr, - "InnoDB: a nonsensical page number 0" - " in a node ptr record at offset %lu\n", - (ulong) page_offset(rec)); - buf_page_print(buf_frame_align(rec)); - } - - return(page_no); -} - -/****************************************************************** -Releases the latches on a leaf page and bufferunfixes it. */ -UNIV_INLINE -void -btr_leaf_page_release( -/*==================*/ - page_t* page, /* in: page */ - ulint latch_mode, /* in: BTR_SEARCH_LEAF or BTR_MODIFY_LEAF */ - mtr_t* mtr) /* in: mtr */ -{ - ut_ad(!mtr_memo_contains(mtr, buf_block_align(page), - MTR_MEMO_MODIFY)); - if (latch_mode == BTR_SEARCH_LEAF) { - mtr_memo_release(mtr, buf_block_align(page), - MTR_MEMO_PAGE_S_FIX); - } else { - ut_ad(latch_mode == BTR_MODIFY_LEAF); - mtr_memo_release(mtr, buf_block_align(page), - MTR_MEMO_PAGE_X_FIX); - } -} |