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Merge mysql.com:/usr/home/bar/mysql-4.1.b10201
into mysql.com:/usr/home/bar/mysql-5.0 mysql-test/r/func_gconcat.result: Auto merged mysql-test/t/func_gconcat.test: Auto merged ndb/src/mgmapi/mgmapi.cpp: Auto merged ndb/src/mgmsrv/ConfigInfo.cpp: Auto merged ndb/src/mgmsrv/ConfigInfo.hpp: Auto merged sql/item.cc: Auto merged sql/item.h: Auto merged sql/item_func.h: Auto merged sql/item_sum.cc: Auto merged include/config-netware.h: auto merge fix libmysql/libmysql.def: after merge fix sql/item_func.cc: SCCS merged
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@ -445,6 +445,30 @@ group_concat(distinct b order by b)
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Warnings:
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Warning 1260 2 line(s) were cut by GROUP_CONCAT()
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drop table t1;
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create table t1 (a varchar(255) character set cp1250 collate cp1250_general_ci,
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b varchar(255) character set koi8r);
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insert into t1 values ('xxx','yyy');
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select collation(a) from t1;
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collation(a)
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cp1250_general_ci
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select collation(group_concat(a)) from t1;
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collation(group_concat(a))
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cp1250_general_ci
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create table t2 select group_concat(a) as a from t1;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` longtext character set cp1250
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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select collation(group_concat(a,_koi8r'test')) from t1;
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collation(group_concat(a,_koi8r'test'))
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cp1250_general_ci
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select collation(group_concat(a,_koi8r 0xC1C2)) from t1;
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ERROR HY000: Illegal mix of collations (cp1250_general_ci,IMPLICIT) and (koi8r_general_ci,COERCIBLE) for operation 'group_concat'
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select collation(group_concat(a,b)) from t1;
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ERROR HY000: Illegal mix of collations (cp1250_general_ci,IMPLICIT) and (koi8r_general_ci,IMPLICIT) for operation 'group_concat'
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drop table t1;
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drop table t2;
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CREATE TABLE t1 (id int);
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SELECT GROUP_CONCAT(id) AS gc FROM t1 HAVING gc IS NULL;
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gc
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