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Bug #13413535 61104: INNODB: FAILING ASSERTION: PAGE_GET_N_RECS(PAGE) > 1

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This fix does not remove the underlying cause of the assertion
failure. It just works around the problem, allowing a corrupted
secondary index to be fixed by DROP INDEX and CREATE INDEX (or in the
worst case, by re-creating the table).

ibuf_delete(): If the record to be purged is the last one in the page
or it is not delete-marked, refuse to purge it. Instead, write an
error message to the error log and let a debug assertion fail.

ibuf_set_del_mark(): If the record to be delete-marked is not found,
display some more information in the error log and let a debug
assertion fail.

row_undo_mod_del_unmark_sec_and_undo_update(),
row_upd_sec_index_entry(): Let a debug assertion fail when the record
to be delete-marked is not found.

buf_page_print(): Add ut_ad(0) so that corruption will be more
prominent in stress testing with debug binaries. Add ut_ad(0) here and
there where corruption is noticed.

btr_corruption_report(): Display some data on page_is_comp() mismatch.

btr_assert_not_corrupted(): A wrapper around btr_corruption_report().
Assert that page_is_comp() agrees with the table flags.

rb:911 approved by Inaam Rana
This commit is contained in:
Marko Mäkelä 2012-01-26 13:24:00 +02:00
commit d84c95579b
15 changed files with 118 additions and 35 deletions
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4
storage/innobase/row/row0ins.c
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@ -1,6 +1,6 @@
/*****************************************************************************
Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved.
Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved.
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
@ -950,7 +950,7 @@ row_ins_foreign_check_on_constraint(
fputs("\n"
"InnoDB: Submit a detailed bug report to"
" http://bugs.mysql.com\n", stderr);
ut_ad(0);
err = DB_SUCCESS;
goto nonstandard_exit_func;