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Bug#49823: mysql_upgrade fatal error due to general_log / slow_low CSV NULL

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The problem was that the CSV storage engine does not support NULL
fields, yet in some early 5.1 version the log tables (general_log
and slow_log) were created with null fields. On top of this, when
altering a CSV table column, all fields of the table must be NOT
NULL otherwise the alteration fails.

The solution is to ensure that during upgrade all columns of the
log tables are NOT NULL.

mysql-test/r/log_tables_upgrade.result:
  Add test case result for Bug#49823.
mysql-test/std_data/bug49823.CSV:
  Sample data for test.
mysql-test/std_data/bug49823.frm:
  Add a CSV table which mimics the general_log table, except that
  it contains a nullable column.
mysql-test/t/log_tables_upgrade.test:
  Add test case for Bug#49823.
scripts/mysql_system_tables_fix.sql:
  Ensure that all columns of the log tables are NOT NULL.
This commit is contained in:
Davi Arnaut
2010-02-26 09:22:48 -03:00
parent 600a283689
commit b0a1ae09ae
6 changed files with 99 additions and 2 deletions
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"2010-02-26 13:32:26","root[root] @ localhost []",2,1,"Query","SELECT 1"
1 2010-02-26 13:32:26 root[root] @ localhost [] 2 1 Query SELECT 1

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