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Bug #17766: The server accepts to create MERGE tables which cannot work

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Changed the error reporting (and a crash) when inserting data into a
 MERGE table that has no underlying tables or no INSERT_METHOD specified
 by reporting that it is read-only.


include/my_base.h:
  Add new handler error
mysql-test/r/merge.result:
  Update results
mysql-test/t/merge.test:
  Add new regression test
sql/ha_myisammrg.cc:
  When trying to insert into a MERGE table with no underlying tables
  or no INSERT_METHOD, report that it is read-only.
sql/handler.cc:
  Handle new error message
This commit is contained in:
unknown
2006-07-11 17:28:50 -07:00
parent c3cb46908c
commit 97cdd9df8a
5 changed files with 38 additions and 2 deletions
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12
mysql-test/r/merge.result
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@ -782,3 +782,15 @@ create table tm (b bit(1)) engine = merge union = (t1,t2);
select * from tm;
b
drop table tm, t1, t2;
create table t1 (a int) insert_method = last engine = merge;
insert into t1 values (1);
ERROR HY000: Table 't1' is read only
create table t2 (a int) engine = myisam;
alter table t1 union (t2);
insert into t1 values (1);
alter table t1 insert_method = no;
insert into t1 values (1);
ERROR HY000: Table 't1' is read only
drop table t2;
drop table t1;
End of 5.0 tests