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bug#10952

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"alter table from MyISAM to MERGE lost data without errors and warnings"
  Add new handlerton flag which prevent user from altering table storage
  engine to storage engines which would lose data. Both 'blackhole' and 
  'merge' are marked with the new flag.
  Tests included.
This commit is contained in:
acurtis@xiphis.org
2006-05-09 13:31:46 -07:00
parent ec42119233
commit 47e89f208a
8 changed files with 46 additions and 3 deletions
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8
mysql-test/r/merge.result
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@@ -768,3 +768,11 @@ Table Op Msg_type Msg_text
test.t1 check status OK
test.t2 check status OK
drop table t1, t2, t3;
drop table if exists t1;
Warnings:
Note 1051 Unknown table 't1'
create table t1 (c char(20)) engine=MyISAM;
insert into t1 values ("Monty"),("WAX"),("Walrus");
alter table t1 engine=MERGE;
ERROR HY000: Table storage engine for 't1' doesn't have this option
drop table t1;