diff options
Diffstat (limited to 'innobase/btr/btr0btr.c')
| -rw-r--r-- | innobase/btr/btr0btr.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/innobase/btr/btr0btr.c b/innobase/btr/btr0btr.c index b9253562fe6..88472d6dbe0 100644 --- a/innobase/btr/btr0btr.c +++ b/innobase/btr/btr0btr.c @@ -572,6 +572,13 @@ btr_page_get_father_for_rec( if (btr_node_ptr_get_child_page_no(node_ptr) != buf_frame_get_page_no(page)) { + fprintf(stderr, +"InnoDB: Dump of the child page:\n"); + buf_page_print(buf_frame_align(page)); + fprintf(stderr, +"InnoDB: Dump of the parent page:\n"); + buf_page_print(buf_frame_align(node_ptr)); + fprintf(stderr, "InnoDB: Corruption of an index tree: table %s, index %s,\n" "InnoDB: father ptr page no %lu, child page no %lu\n", @@ -581,6 +588,12 @@ btr_page_get_father_for_rec( buf_frame_get_page_no(page)); page_rec_print(page_rec_get_next(page_get_infimum_rec(page))); page_rec_print(node_ptr); + + fprintf(stderr, +"InnoDB: You should dump + drop + reimport the table to fix the\n" +"InnoDB: corruption. If the crash happens at the database startup, see\n" +"InnoDB: section 6.1 of http://www.innodb.com/ibman.html about forcing\n" +"InnoDB: recovery. Then dump + drop + reimport.\n"); } ut_a(btr_node_ptr_get_child_page_no(node_ptr) == @@ -780,12 +793,14 @@ top_loop: /***************************************************************** Reorganizes an index page. */ - +static void btr_page_reorganize_low( /*====================*/ - ibool low, /* in: TRUE if locks should not be updated, i.e., - there cannot exist locks on the page */ + ibool recovery,/* in: TRUE if called in recovery: locks should not + be updated, i.e., there cannot exist locks on the + page, and a hash index should not be dropped: it + cannot exist */ page_t* page, /* in: page to be reorganized */ mtr_t* mtr) /* in: mtr */ { @@ -805,7 +820,9 @@ btr_page_reorganize_low( /* Copy the old page to temporary space */ buf_frame_copy(new_page, page); - btr_search_drop_page_hash_index(page); + if (!recovery) { + btr_search_drop_page_hash_index(page); + } /* Recreate the page: note that global data on page (possible segment headers, next page-field, etc.) is preserved intact */ @@ -820,7 +837,7 @@ btr_page_reorganize_low( /* Copy max trx id to recreated page */ page_set_max_trx_id(page, page_get_max_trx_id(new_page)); - if (!low) { + if (!recovery) { /* Update the record lock bitmaps */ lock_move_reorganize_page(page, new_page); } |