Fixed a possible memory leak on MacOSX when using the shared libmysql.so library (Bug #2061)

mysql_server_init() now returns error code if something went wrong (Bug #2062)
Don't use my_fopen() when reading symlink information as this may cause problems when a lot of files are opened.
Free thread keys with pthread_key_delete() instead of relying on automatic free. (Bug #2062)
Fixed bug in UNION statement with alias '*'. (Bug #1249)
Fixed a bug in DELETE ... ORDER BY ... LIMIT where the rows where not deleted in the proper order. (Bug #1024).
FOUND_ROWS() could return incorrect number of rows after a query with an impossible WHERE condition.
HOW DATABASES doesn't anymore show .sym files (on windows) that doesn't point to a valid directory. (Bug #1385)


include/config-win.h:
  Ensure that USE_SYMDIR is set for all windows versions
  (This is set in makefiles, so this is just an extra safety measure)
include/my_pthread.h:
  Fixed a possible memory leak on MacOSX when using the shared libmysql.so library (Bug #2061)
include/my_sys.h:
  my_init() now returns error code if something went wrong
include/mysql.h:
  mysql_once_init() now returns error code if something went wrong
include/mysql_com.h:
  my_init() now returns error code if something went wrong
libmysql/libmysql.c:
  mysql_server_init() and mysql_once_init() now returns error code if something went wrong (Bug #2062)
mysql-test/r/limit.result:
  Update results
mysql-test/r/select_found.result:
  Update results
mysql-test/r/union.result:
  Update results
mysql-test/t/limit.test:
  Added test for DELETE ... ORDER BY ... LIMIT (bug #1024)
mysql-test/t/select_found.test:
  Added test for problem with impossible WHERE (Bug #1468)
mysql-test/t/union.test:
  Added test for problem with alias '*' (Bug #1249)
mysys/mf_pack.c:
  Don't use my_fopen() when reading symlink information as this may cause problems when a lot of files are opened.
mysys/my_init.c:
  my_init() now returns error code if something went wrong
mysys/my_lib.c:
  More debug information
mysys/my_thr_init.c:
  Free thread keys with pthread_key_delete() instead of relying on automatic free. (Bug #2062)
sql/sql_base.cc:
  Fixed bug in UNION statement with alias '*'. (Bug #1249)
sql/sql_delete.cc:
  Fixed a bug in DELETE ... ORDER BY ... LIMIT where the rows where not deleted in the proper order. (Bug #1024).
sql/sql_select.cc:
  FOUND_ROWS() could return incorrect number of rows after a query with an impossible WHERE condition.
sql/sql_show.cc:
  SHOW DATABASES doesn't anymore show .sym files (on windows) that doesn't point to a valid directory. (Bug #1385)
sql/sql_yacc.yy:
  Allow syntax UNION DISTINCT

1 files changed, 8 insertions, 1 deletions

diff --git a/mysql-test/t/union.test b/mysql-test/t/union.test
index ba4673e9a88..badfe4b9a3a 100644
--- a/mysql-test/t/union.test
+++ b/mysql-test/t/union.test
@@ -8,7 +8,7 @@ insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
 CREATE TABLE t2 (a int not null, b char (10) not null);
 insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e');
 
-select a,b from t1 union select a,b from t2;
+select a,b from t1 union distinct select a,b from t2;
 select a,b from t1 union all select a,b from t2;
 select a,b from t1 union all select a,b from t2 order by b;
 select a,b from t1 union all select a,b from t2 union select 7,'g';
@@ -227,3 +227,10 @@ create temporary table t1 select a from t1 union select a from t2;
 --error 1093
 create table t1 select a from t1 union select a from t2;
 drop table t1,t2;
+
+#
+# Problem with alias '*' (BUG #1249)
+#
+
+select length(version()) > 1 as `*` UNION select 2;
+