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Commit 8f408a18 authored by tomas@poseidon.ndb.mysql.com's avatar tomas@poseidon.ndb.mysql.com
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Merge tulin@bk-internal.mysql.com:/home/bk/mysql-4.1 

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1
parents 17b2d671 f08a29d8
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Showing with 227 additions and 29 deletions
include/mysql.h
View file @ 8f408a18
......@@ -490,6 +490,8 @@ MYSQL_RES * STDCALL mysql_list_fields(MYSQL *mysql, const char *table,
const char *wild);
unsigned long STDCALL mysql_escape_string(char *to,const char *from,
unsigned long from_length);
unsigned long STDCALL mysql_hex_string(char *to,const char *from,
unsigned long from_length);
unsigned long STDCALL mysql_real_escape_string(MYSQL *mysql,
char *to,const char *from,
unsigned long length);
......
mysql-test/init_db.sql
View file @ 8f408a18
This diff is collapsed.
mysql-test/r/metadata.result
View file @ 8f408a18
......@@ -5,7 +5,7 @@ def 1 8 1 1 N 32769 0 8
def 1.0 5 3 3 N 32769 1 8
def -1 8 1 2 N 32769 0 8
def hello 254 5 5 N 1 31 8
def NULL 6 0 0 Y 32768 0 8
def NULL 6 0 0 Y 32896 0 63
1 1.0 -1 hello NULL
1 1.0 -1 hello NULL
create table t1 (a tinyint, b smallint, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp, l datetime, m enum('a','b'), n set('a','b'), o char(10));
......
mysql-test/r/null.result
View file @ 8f408a18
......@@ -175,3 +175,97 @@ explain select * from t1 where i=2 or i is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref i i 4 const 7 Using where; Using index
drop table t1;
set names latin2;
create table t1 select
null as c00,
if(1, null, 'string') as c01,
if(0, null, 'string') as c02,
ifnull(null, 'string') as c03,
ifnull('string', null) as c04,
case when 0 then null else 'string' end as c05,
case when 1 then null else 'string' end as c06,
coalesce(null, 'string') as c07,
coalesce('string', null) as c08,
least('string',null) as c09,
least(null, 'string') as c10,
greatest('string',null) as c11,
greatest(null, 'string') as c12,
nullif('string', null) as c13,
nullif(null, 'string') as c14,
trim('string' from null) as c15,
trim(null from 'string') as c16,
substring_index('string', null, 1) as c17,
substring_index(null, 'string', 1) as c18,
elt(1, null, 'string') as c19,
elt(1, 'string', null) as c20,
concat('string', null) as c21,
concat(null, 'string') as c22,
concat_ws('sep', 'string', null) as c23,
concat_ws('sep', null, 'string') as c24,
concat_ws(null, 'string', 'string') as c25,
make_set(3, 'string', null) as c26,
make_set(3, null, 'string') as c27,
export_set(3, null, 'off', 'sep') as c29,
export_set(3, 'on', null, 'sep') as c30,
export_set(3, 'on', 'off', null) as c31,
replace(null, 'from', 'to') as c32,
replace('str', null, 'to') as c33,
replace('str', 'from', null) as c34,
insert('str', 1, 2, null) as c35,
insert(null, 1, 2, 'str') as c36,
lpad('str', 10, null) as c37,
rpad(null, 10, 'str') as c38;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c00` binary(0) default NULL,
`c01` varchar(6) character set latin2 default NULL,
`c02` varchar(6) character set latin2 default NULL,
`c03` varchar(6) character set latin2 NOT NULL default '',
`c04` varchar(6) character set latin2 default NULL,
`c05` varchar(6) character set latin2 default NULL,
`c06` varchar(6) character set latin2 default NULL,
`c07` varchar(6) character set latin2 default NULL,
`c08` varchar(6) character set latin2 default NULL,
`c09` varchar(6) character set latin2 NOT NULL default '',
`c10` varchar(6) character set latin2 NOT NULL default '',
`c11` varchar(6) character set latin2 NOT NULL default '',
`c12` varchar(6) character set latin2 NOT NULL default '',
`c13` varchar(6) character set latin2 default NULL,
`c14` char(0) character set latin2 default NULL,
`c15` char(0) character set latin2 default NULL,
`c16` varchar(6) character set latin2 default NULL,
`c17` varchar(6) character set latin2 default NULL,
`c18` char(0) character set latin2 default NULL,
`c19` varchar(6) character set latin2 default NULL,
`c20` varchar(6) character set latin2 default NULL,
`c21` varchar(6) character set latin2 default NULL,
`c22` varchar(6) character set latin2 default NULL,
`c23` varchar(9) character set latin2 default NULL,
`c24` varchar(9) character set latin2 default NULL,
`c25` varchar(12) character set latin2 default NULL,
`c26` varchar(7) character set latin2 default NULL,
`c27` varchar(7) character set latin2 default NULL,
`c29` longtext character set latin2,
`c30` longtext character set latin2,
`c31` varchar(192) character set latin2 default NULL,
`c32` char(0) character set latin2 default NULL,
`c33` char(3) character set latin2 default NULL,
`c34` char(3) character set latin2 default NULL,
`c35` char(3) character set latin2 default NULL,
`c36` char(3) character set latin2 default NULL,
`c37` varchar(10) character set latin2 default NULL,
`c38` varchar(10) character set latin2 default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select
case 'str' when 'STR' then 'str' when null then 'null' end as c01,
case 'str' when null then 'null' when 'STR' then 'str' end as c02,
field(null, 'str1', 'str2') as c03,
field('str1','STR1', null) as c04,
field('str1', null, 'STR1') as c05,
'string' in ('STRING', null) as c08,
'string' in (null, 'STRING') as c09;
c01 c02 c03 c04 c05 c08 c09
str str 0 1 2 1 1
set names latin1;
mysql-test/r/ps_2myisam.result
View file @ 8f408a18
......@@ -1790,7 +1790,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -1820,7 +1820,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......
mysql-test/r/ps_3innodb.result
View file @ 8f408a18
......@@ -1773,7 +1773,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -1803,7 +1803,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......
mysql-test/r/ps_4heap.result
View file @ 8f408a18
......@@ -1774,7 +1774,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -1804,7 +1804,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......
mysql-test/r/ps_5merge.result
View file @ 8f408a18
......@@ -1713,7 +1713,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -1743,7 +1743,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......@@ -4723,7 +4723,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -4753,7 +4753,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......
mysql-test/r/ps_6bdb.result
View file @ 8f408a18
......@@ -1773,7 +1773,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -1803,7 +1803,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......
mysql-test/r/ps_7ndb.result
View file @ 8f408a18
......@@ -1749,7 +1749,7 @@ t5 CREATE TABLE `t5` (
`param10` bigint(20) default NULL,
`const11` int(4) default NULL,
`param11` bigint(20) default NULL,
`const12` char(0) default NULL,
`const12` binary(0) default NULL,
`param12` bigint(20) default NULL,
`param13` double default NULL,
`param14` longtext,
......@@ -1779,7 +1779,7 @@ def test t5 t5 const10 const10 3 10 9 N 32769 0 63
def test t5 t5 param10 param10 8 20 9 Y 32768 0 63
def test t5 t5 const11 const11 3 4 4 Y 32768 0 63
def test t5 t5 param11 param11 8 20 4 Y 32768 0 63
def test t5 t5 const12 const12 254 0 0 Y 0 0 8
def test t5 t5 const12 const12 254 0 0 Y 128 0 63
def test t5 t5 param12 param12 8 20 0 Y 32768 0 63
def test t5 t5 param13 param13 5 20 0 Y 32768 31 63
def test t5 t5 param14 param14 252 16777215 0 Y 16 0 8
......
mysql-test/t/null.test
View file @ 8f408a18
......@@ -119,3 +119,70 @@ alter table t1 change i i int not null;
explain select * from t1 where i=2 or i is null;
drop table t1;
#
# NULL has its own type BINARY(0) by default.
# But NULL should be weaker than a constant
# when mixing charsets/collations
#
set names latin2;
# Check that result type is taken from a non-null string
create table t1 select
null as c00,
if(1, null, 'string') as c01,
if(0, null, 'string') as c02,
ifnull(null, 'string') as c03,
ifnull('string', null) as c04,
case when 0 then null else 'string' end as c05,
case when 1 then null else 'string' end as c06,
coalesce(null, 'string') as c07,
coalesce('string', null) as c08,
least('string',null) as c09,
least(null, 'string') as c10,
greatest('string',null) as c11,
greatest(null, 'string') as c12,
nullif('string', null) as c13,
nullif(null, 'string') as c14,
trim('string' from null) as c15,
trim(null from 'string') as c16,
substring_index('string', null, 1) as c17,
substring_index(null, 'string', 1) as c18,
elt(1, null, 'string') as c19,
elt(1, 'string', null) as c20,
concat('string', null) as c21,
concat(null, 'string') as c22,
concat_ws('sep', 'string', null) as c23,
concat_ws('sep', null, 'string') as c24,
concat_ws(null, 'string', 'string') as c25,
make_set(3, 'string', null) as c26,
make_set(3, null, 'string') as c27,
export_set(3, null, 'off', 'sep') as c29,
export_set(3, 'on', null, 'sep') as c30,
export_set(3, 'on', 'off', null) as c31,
replace(null, 'from', 'to') as c32,
replace('str', null, 'to') as c33,
replace('str', 'from', null) as c34,
insert('str', 1, 2, null) as c35,
insert(null, 1, 2, 'str') as c36,
lpad('str', 10, null) as c37,
rpad(null, 10, 'str') as c38;
show create table t1;
drop table t1;
#
# Check that comparison is done according to
# non-null string collation, i.e. case insensitively,
# rather than according to NULL's collation, i.e. case sensitively
#
-- in field
select
case 'str' when 'STR' then 'str' when null then 'null' end as c01,
case 'str' when null then 'null' when 'STR' then 'str' end as c02,
field(null, 'str1', 'str2') as c03,
field('str1','STR1', null) as c04,
field('str1', null, 'STR1') as c05,
'string' in ('STRING', null) as c08,
'string' in (null, 'STRING') as c09;
# Restore charset to the default value.
set names latin1;
sql/ha_ndbcluster.cc
View file @ 8f408a18
......@@ -2318,7 +2318,7 @@ int ha_ndbcluster::index_last(byte *buf)
DBUG_RETURN(0);
}
}
DBUG_RETURN(1);
DBUG_RETURN(res);
}
......
sql/item.cc
View file @ 8f408a18
......@@ -376,13 +376,13 @@ bool DTCollation::aggregate(DTCollation &dt, uint flags)
}
else if ((flags & MY_COLL_ALLOW_COERCIBLE_CONV) &&
derivation < dt.derivation &&
dt.derivation == DERIVATION_COERCIBLE)
dt.derivation >= DERIVATION_COERCIBLE)
{
// Do nothing;
}
else if ((flags & MY_COLL_ALLOW_COERCIBLE_CONV) &&
dt.derivation < derivation &&
derivation == DERIVATION_COERCIBLE)
derivation >= DERIVATION_COERCIBLE)
{
set(dt);
strong= nagg;
......
sql/item.h
View file @ 8f408a18
......@@ -31,6 +31,7 @@ void item_init(void); /* Init item functions */
enum Derivation
{
DERIVATION_IGNORABLE= 4,
DERIVATION_COERCIBLE= 3,
DERIVATION_IMPLICIT= 2,
DERIVATION_NONE= 1,
......@@ -98,6 +99,7 @@ public:
{
switch(derivation)
{
case DERIVATION_IGNORABLE: return "IGNORABLE";
case DERIVATION_COERCIBLE: return "COERCIBLE";
case DERIVATION_IMPLICIT: return "IMPLICIT";
case DERIVATION_EXPLICIT: return "EXPLICIT";
......@@ -440,6 +442,7 @@ public:
max_length= 0;
name= name_par ? name_par : (char*) "NULL";
fixed= 1;
collation.set(&my_charset_bin, DERIVATION_IGNORABLE);
}
enum Type type() const { return NULL_ITEM; }
bool eq(const Item *item, bool binary_cmp) const;
......
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