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Fix Bug #21328 mysqld issues warnings on ALTER CSV table to MyISAM

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mysql-test/r/csv.result:
  update result file
mysql-test/r/log_tables.result:
  log_tables test contains alter of a CSV table with
  NULLs which results in warnings. In fact this is how
  the bug noticed. So, now when it is fixed we should
  update result file.
mysql-test/t/csv.test:
  add a test for the bug
storage/csv/ha_tina.cc:
  We should write 0 to the data file in the
  case we meet NULL. CSV does not support
  NULL values internally and we shouldn't
  distinguish them from 0 when writing a row
  (the alternative is to implement full NULL
  support). Otherwise other routines (such as
  Field::check_int() become confused).
  In 5.0 NULLs are stored as zeroes. In 5.1 it
  somehow turned into empty string. Which is wrong.
This commit is contained in:
unknown
2006-12-04 03:07:44 +03:00
parent 23776f53ff
commit ebd5aec15e
4 changed files with 26 additions and 5 deletions
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mysql-test/r/log_tables.result
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@@ -111,9 +111,6 @@ slow_log CREATE TABLE `slow_log` (
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log'
alter table mysql.general_log engine=myisam;
alter table mysql.slow_log engine=myisam;
Warnings:
Warning 1366 Incorrect integer value: '' for column 'last_insert_id' at row 0
Warning 1366 Incorrect integer value: '' for column 'insert_id' at row 0
show create table mysql.general_log;
Table Create Table
general_log CREATE TABLE `general_log` (