Fixed for bugs that was found when getting full code coverage of BDB

Fixed bug with HEAP tables on windows
Fixed bug with HAVING on empty tables


Docs/manual.texi:
  Update of UDF functions
mysql-test/mysql-test-run.sh:
  Added option --user
mysql-test/r/bdb.result:
  Added more test to get better coverage
mysql-test/t/bdb.test:
  Added more test to get better coverage
sql/field.cc:
  Fixes for key packing in BDB
sql/field.h:
  Fixes for key packing in BDB
sql/ha_berkeley.cc:
  Fixed for bugs that was found when getting full code coverage
sql/ha_heap.cc:
  Fixed problem with HEAP tables on windows
sql/log.cc:
  Safety fix
sql/sql_select.cc:
  Fixed bug with HAVING on empty tables
sql/table.cc:
  Fixed problem with HEAP tables on windows

2 files changed, 28 insertions, 4 deletions

diff --git a/mysql-test/t/bdb.test b/mysql-test/t/bdb.test
index cf6d28c47b0..5f8ef3ff18e 100644
--- a/mysql-test/t/bdb.test
+++ b/mysql-test/t/bdb.test
@@ -4,7 +4,7 @@
 # Small basic test with ignore
 #
 
-drop table if exists t1;
+drop table if exists t1,t2;
 create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) type=bdb;
 
 insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt');
@@ -81,6 +81,17 @@ create table t1 (a int,b varchar(20)) type=bdb;
 insert into t1 values (1,""), (2,"testing");
 delete from t1 where a = 1;
 select * from t1;
+create index skr on t1 (a);
+insert into t1 values (3,""), (4,"testing");
+analyze table t1;
+show keys from t1;
+drop table t1;
+
+# Test of reading on secondary key with may be null
+
+create table t1 (a int,b varchar(20),key(a)) type=bdb;
+insert into t1 values (1,""), (2,"testing");
+select * from t1 where a = 1;
 drop table t1;
 
 #
@@ -352,12 +363,15 @@ CREATE TABLE t1 (
    INDEX sca_pic (sca_pic)
 ) type = bdb ;
 
-INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'J', 'RING', 'EN', 'not null', NULL, 'RING');
+INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING');
 select count(*) from t1 where sca_code = 'PD';
 select count(*) from t1 where sca_code <= 'PD';
 select count(*) from t1 where sca_pic is null;
 alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic);
 select count(*) from t1 where sca_code='PD' and sca_pic is null;
+select count(*) from t1 where cat_code='E';
+
+
 alter table t1 drop index sca_pic, add index (sca_pic, cat_code);
 select count(*) from t1 where sca_code='PD' and sca_pic is null;
 select count(*) from t1 where sca_pic >= 'n';
@@ -385,7 +399,7 @@ flush logs;
 #
 # Test key on blob with null values
 #
-create table t1 (b blob, i int, key (b(100)), key (i), key (i, b(20)));
+create table t1 (b blob, i int, key (b(100)), key (i), key (i, b(20))) type=bdb;
 insert into t1 values ('this is a blob', 1), (null, -1), (null, null),("",1),("",2),("",3);
 select b from t1 where b = 'this is a blob';
 select * from t1 where b like 't%';
@@ -399,7 +413,7 @@ drop table t1;
 #
 # Test with variable length primary key
 #
-create table t1 (a varchar(100) not null, primary key(a), b int not null);
+create table t1 (a varchar(100) not null, primary key(a), b int not null) type=bdb;
 insert into t1 values("hello",1),("world",2);
 select * from t1 order by b desc;
 optimize table t1;
diff --git a/mysql-test/t/having.test b/mysql-test/t/having.test
new file mode 100644
index 00000000000..a952f5e8d5c
--- /dev/null
+++ b/mysql-test/t/having.test
@@ -0,0 +1,10 @@
+# test of problems with having (Reported by Mark Rogers)
+#
+
+drop table if exists t1; 
+create table t1 (a int);
+select count(a) as b from t1 where a=0 having b > 0;
+insert into t1 values (null);
+select count(a) as b from t1 where a=0 having b > 0;
+select count(a) as b from t1 where a=0 having b >=0;
+drop table t1;