Commit 36dcc209 authored by unknown's avatar unknown
Browse files

Merge ibabaev@bk-internal.mysql.com:/home/bk/mysql-4.1 

into rurik.mysql.com:/home/igor/mysql-4.1
parents 79444fa5 15b113e1

mysql-test/r/group_by.result

+19 −0
Original line number Diff line number Diff line
@@ -722,3 +722,22 @@ WHERE hostname LIKE '%aol%' 
    GROUP BY hostname;

hostname	no

cache-dtc-af05.proxy.aol.com	1

DROP TABLE t1;

CREATE TABLE t1 (a  int, b int);

INSERT INTO t1 VALUES (1,2), (1,3);

SELECT a, b FROM t1 GROUP BY 'const';

a	b

1	2

SELECT DISTINCT a, b FROM t1 GROUP BY 'const';

a	b

1	2

DROP TABLE t1;

CREATE TABLE t1 (id INT, dt DATETIME);

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

SELECT dt DIV 1 AS f, id FROM t1 GROUP BY f;

f	id

20050501123000	1

DROP TABLE t1;

mysql-test/t/group_by.test

+27 −1
Original line number Diff line number Diff line 


# Initialise

--disable_warnings

drop table if exists t1,t2,t3;
@@ -524,7 +525,7 @@ select min(b) from t1; 
drop table t1;



#

# Test for bug #11088: GROUP BY a BLOB colimn with COUNT(DISTINCT column1) 

# Test for bug #11088: GROUP BY a BLOB column with COUNT(DISTINCT column1) 

#



CREATE TABLE t1 (id int PRIMARY KEY, user_id int, hostname longtext);
@@ -539,3 +540,28 @@ SELECT hostname, COUNT(DISTINCT user_id) as no FROM t1 
  WHERE hostname LIKE '%aol%'

    GROUP BY hostname;



DROP TABLE t1;



#

# Test for bug #8614: GROUP BY 'const' with DISTINCT  

#



CREATE TABLE t1 (a  int, b int);

INSERT INTO t1 VALUES (1,2), (1,3);

SELECT a, b FROM t1 GROUP BY 'const';

SELECT DISTINCT a, b FROM t1 GROUP BY 'const';



DROP TABLE t1;



#

# Test for bug #11385: GROUP BY for datetime converted to decimals  

#



CREATE TABLE t1 (id INT, dt DATETIME);

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );

SELECT dt DIV 1 AS f, id FROM t1 GROUP BY f;



DROP TABLE t1;

sql/field.h

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#endif



#define NOT_FIXED_DEC			31

#define DATETIME_DEC                     6



class Send_field;

class Protocol;
@@ -861,6 +862,7 @@ class Field_datetime :public Field_str { 
  enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONGLONG; }

#endif

  enum Item_result cmp_type () const { return INT_RESULT; }

  uint decimals() const { return DATETIME_DEC; }

  int  store(const char *to,uint length,CHARSET_INFO *charset);

  int  store(double nr);

  int  store(longlong nr);

sql/sql_select.cc

+8 −3
Original line number Diff line number Diff line
@@ -678,9 +678,14 @@ JOIN::optimize() 
      DBUG_RETURN(1);

  }

  simple_group= 0;

  group_list= remove_const(this, group_list, conds,

  {

    ORDER *old_group_list;

    group_list= remove_const(this, (old_group_list= group_list), conds,

                             rollup.state == ROLLUP::STATE_NONE,

			     &simple_group);

    if (old_group_list && !group_list)

      select_distinct= 0;

  }

  if (!group_list && group)

  {

    order=0;					// The output has only one row