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MDEV-7762 InnoDB: Failing assertion: block->page.buf_fix_count > 0 in buf0buf.ic line 730

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Analysis: debug only assertion I_S function (IS is XtraDB feature) is calling
buf_block_get_frame on any page it reads, which debug-asserts that the page is
buffer-fixed, which is not the case in I_S query.

Fixed by holding the buffer page mutex while the fields are read directly.
This commit is contained in:
Jan Lindström
2015-12-03 13:18:10 +02:00
parent 13ad179c96
commit 33589b25ef
4 changed files with 104 additions and 6 deletions
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2
mysql-test/suite/innodb/r/innodb_information_schema_tables.result Normal file
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@@ -0,0 +1,2 @@
CREATE TABLE t1 ENGINE=InnoDB AS SELECT * FROM mysql.help_topic;
DROP TABLE t1;