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authorheikki@hundin.mysql.fi <>2003-01-13 15:52:39 +0200
committerheikki@hundin.mysql.fi <>2003-01-13 15:52:39 +0200
commit7424bf2ea97b958a392a1e337c3943fe33991733 (patch)
tree86b36cbd88f1b66a7c790eb9c632247d03023c72 /innobase/btr
parent40689f64e78efc0e092b00bc1a1cd3d8f6a6b3c1 (diff)
downloadmariadb-git-7424bf2ea97b958a392a1e337c3943fe33991733.tar.gz
btr0cur.h, btr0btr.h, btr0btr.c, btr0cur.c, row0purge.c:
Fix a hang associated with an index tree of height 1 and purging of BLOB fields from it
Diffstat (limited to 'innobase/btr')
-rw-r--r--innobase/btr/btr0btr.c7
-rw-r--r--innobase/btr/btr0cur.c10
2 files changed, 9 insertions, 8 deletions
diff --git a/innobase/btr/btr0btr.c b/innobase/btr/btr0btr.c
index a1665aefab7..51c164b7cef 100644
--- a/innobase/btr/btr0btr.c
+++ b/innobase/btr/btr0btr.c
@@ -135,7 +135,7 @@ btr_page_insert_fits(
/******************************************************************
Gets the root node of a tree and x-latches it. */
-static
+
page_t*
btr_root_get(
/*=========*/
@@ -146,9 +146,6 @@ btr_root_get(
ulint space;
ulint root_page_no;
page_t* root;
-
- ut_ad(mtr_memo_contains(mtr, dict_tree_get_lock(tree), MTR_MEMO_X_LOCK)
- || mtr_memo_contains(mtr, dict_tree_get_lock(tree), MTR_MEMO_S_LOCK));
space = dict_tree_get_space(tree);
root_page_no = dict_tree_get_page(tree);
@@ -334,8 +331,6 @@ btr_page_alloc(
page_t* new_page;
ulint new_page_no;
- ut_ad(mtr_memo_contains(mtr, dict_tree_get_lock(tree),
- MTR_MEMO_X_LOCK));
if (tree->type & DICT_IBUF) {
return(btr_page_alloc_for_ibuf(tree, mtr));
diff --git a/innobase/btr/btr0cur.c b/innobase/btr/btr0cur.c
index 24f0447d55d..df24689a422 100644
--- a/innobase/btr/btr0cur.c
+++ b/innobase/btr/btr0cur.c
@@ -3180,7 +3180,7 @@ btr_store_big_rec_extern_fields(
ut_ad(mtr_memo_contains(local_mtr, dict_tree_get_lock(index->tree),
MTR_MEMO_X_LOCK));
- ut_ad(mtr_memo_contains(local_mtr, buf_block_align(data),
+ ut_ad(mtr_memo_contains(local_mtr, buf_block_align(rec),
MTR_MEMO_PAGE_X_FIX));
ut_a(index->type & DICT_CLUSTERED);
@@ -3315,7 +3315,13 @@ void
btr_free_externally_stored_field(
/*=============================*/
dict_index_t* index, /* in: index of the data, the index
- tree MUST be X-latched */
+ tree MUST be X-latched; if the tree
+ height is 1, then also the root page
+ must be X-latched! (this is relevant
+ in the case this function is called
+ from purge where 'data' is located on
+ an undo log page, not an index
+ page) */
byte* data, /* in: internally stored data
+ reference to the externally
stored part */