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Added test to show bug in current union implementation

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After merge fixes
Portability fixes


client/mysqltest.c:
  Fixed that unget() is done properly (needed for QNX where one can't do many ungetc() in a row)
include/errmsg.h:
  After merge fixes
mysql-test/mysql-test-run.sh:
  merge fix
mysql-test/r/system_mysql_db.result:
  Updated results for 4.1
mysql-test/r/union.result:
  Added new test
mysql-test/t/derived.test:
  Portability fix (for Mac OS X)
mysql-test/t/system_mysql_db_refs.test:
  Remove warnings
mysql-test/t/union.test:
  Added test to show bug in current union implementation (to be fixed in 4.1)
scripts/mysql_create_system_tables.sh:
  Fix wrong column define
scripts/mysql_fix_privilege_tables.sh:
  Fix for mysql-test-run
scripts/mysql_fix_privilege_tables.sql:
  Merge with 4.0 to get comments.
  Updated so that it works with privilege tables for MySQL 3.23.
sql/repl_failsafe.cc:
  After merge fix
This commit is contained in:
unknown
2004-03-19 18:33:38 +02:00
parent 67ea8aac5e
commit 28813a9ea9
12 changed files with 204 additions and 83 deletions
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13
mysql-test/t/union.test
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@@ -483,3 +483,16 @@ select col1 n from t1 union select col2 n from t1 order by n;
alter table t1 add index myindex (col2);
select col1 n from t1 union select col2 n from t1 order by n;
drop table t1;
#
# Bug #1428, incorrect handling of UNION ALL
# NOTE: The current result is wrong, needs to be fixed!
#
create table t1 (i int);
insert into t1 values (1);
select * from t1 UNION select * from t1;
select * from t1 UNION ALL select * from t1;
# The following should return 2 lines
select * from t1 UNION select * from t1 UNION ALL select * from t1;
drop table t1;