summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--myisam/myisamchk.c4
-rw-r--r--mysql-test/r/func_str.result20
-rw-r--r--mysql-test/t/func_str.test14
-rw-r--r--sql/item_func.h3
-rw-r--r--sql/item_strfunc.h4
5 files changed, 42 insertions, 3 deletions
diff --git a/myisam/myisamchk.c b/myisam/myisamchk.c
index 21b56669ea6..d53e589e205 100644
--- a/myisam/myisamchk.c
+++ b/myisam/myisamchk.c
@@ -427,8 +427,8 @@ static void usage(void)
can't fix the data file.\n\
--character-sets-dir=...\n\
Directory where character sets are.\n\
- --set-character-set=name\n\
- Change the character set used by the index.\n\
+ --set-collation=name\n\
+ Change the collation used by the index.\n\
-q, --quick Faster repair by not modifying the data file.\n\
One can give a second '-q' to force myisamchk to\n\
modify the original datafile in case of duplicate keys.\n\
diff --git a/mysql-test/r/func_str.result b/mysql-test/r/func_str.result
index ab652b9d850..5405dbf53d9 100644
--- a/mysql-test/r/func_str.result
+++ b/mysql-test/r/func_str.result
@@ -636,6 +636,26 @@ drop table t1;
select charset(null), collation(null), coercibility(null);
charset(null) collation(null) coercibility(null)
binary binary 5
+CREATE TABLE t1 (a int, b int);
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t1 VALUES (1,1),(2,2);
+INSERT INTO t2 VALUES (2,2),(3,3);
+select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
+where collation(t2.a) = _utf8'binary' order by t1.a,t2.a;
+a b a b
+1 1 NULL NULL
+2 2 2 2
+select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
+where charset(t2.a) = _utf8'binary' order by t1.a,t2.a;
+a b a b
+1 1 NULL NULL
+2 2 2 2
+select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
+where coercibility(t2.a) = 2 order by t1.a,t2.a;
+a b a b
+1 1 NULL NULL
+2 2 2 2
+DROP TABLE t1, t2;
select SUBSTR('abcdefg',3,2);
SUBSTR('abcdefg',3,2)
cd
diff --git a/mysql-test/t/func_str.test b/mysql-test/t/func_str.test
index e7069c41716..22028437111 100644
--- a/mysql-test/t/func_str.test
+++ b/mysql-test/t/func_str.test
@@ -376,6 +376,20 @@ insert into t1 values (null);
select charset(a), collation(a), coercibility(a) from t1;
drop table t1;
select charset(null), collation(null), coercibility(null);
+#
+# Make sure OUTER JOIN is not replaced with a regular joun
+#
+CREATE TABLE t1 (a int, b int);
+CREATE TABLE t2 (a int, b int);
+INSERT INTO t1 VALUES (1,1),(2,2);
+INSERT INTO t2 VALUES (2,2),(3,3);
+select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
+where collation(t2.a) = _utf8'binary' order by t1.a,t2.a;
+select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
+where charset(t2.a) = _utf8'binary' order by t1.a,t2.a;
+select t1.*,t2.* from t1 left join t2 on (t1.b=t2.b)
+where coercibility(t2.a) = 2 order by t1.a,t2.a;
+DROP TABLE t1, t2;
#
# test for SUBSTR
diff --git a/sql/item_func.h b/sql/item_func.h
index 2738c7419ca..bfc3bb0de8b 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -616,7 +616,8 @@ public:
Item_func_coercibility(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "coercibility"; }
- void fix_length_and_dec() { max_length=10; }
+ void fix_length_and_dec() { max_length=10; maybe_null= 0; }
+ table_map not_null_tables() const { return 0; }
};
class Item_func_locate :public Item_int_func
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h
index 0c3ed32fb68..323b52b826c 100644
--- a/sql/item_strfunc.h
+++ b/sql/item_strfunc.h
@@ -641,7 +641,9 @@ public:
{
collation.set(system_charset_info);
max_length= 64 * collation.collation->mbmaxlen; // should be enough
+ maybe_null= 0;
};
+ table_map not_null_tables() const { return 0; }
};
class Item_func_collation :public Item_str_func
@@ -654,7 +656,9 @@ public:
{
collation.set(system_charset_info);
max_length= 64 * collation.collation->mbmaxlen; // should be enough
+ maybe_null= 0;
};
+ table_map not_null_tables() const { return 0; }
};
class Item_func_crc32 :public Item_int_func