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#
# simple test of group_concat function
#
drop table if exists t1;
create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null);
insert into t1 values (1,1,"a","a");
insert into t1 values (2,2,"b","a");
insert into t1 values (2,3,"c","b");
insert into t1 values (3,4,"E","a");
insert into t1 values (3,5,"C","b");
insert into t1 values (3,6,"D","b");
insert into t1 values (3,7,"d","d");
insert into t1 values (3,8,"d","d");
insert into t1 values (3,9,"D","c");
# Test of MySQL simple request
select grp,group_concat(c) from t1 group by grp;
select grp,group_concat(a,c) from t1 group by grp;
select grp,group_concat("(",a,":",c,")") from t1 group by grp;
# Test of MySQL with options
select grp,group_concat(c separator ",") from t1 group by grp;
select grp,group_concat(c separator "---->") from t1 group by grp;
select grp,group_concat(c order by c) from t1 group by grp;
select grp,group_concat(c order by c desc) from t1 group by grp;
select grp,group_concat(d order by a) from t1 group by grp;
select grp,group_concat(d order by a desc) from t1 group by grp;
select grp,group_concat(a order by a,d+c) from t1 group by grp;
select grp,group_concat(c order by 1) from t1 group by grp;
select grp,group_concat(c order by "c") from t1 group by grp;
select grp,group_concat(distinct c order by c) from t1 group by grp;
select grp,group_concat(distinct c order by c desc) from t1 group by grp;
select grp,group_concat(c order by c separator ",") from t1 group by grp;
select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
# Test of SQL_LIST objects
select grp,group_concat(c order by grp desc) from t1 group by grp order by grp;
# Test transfer to real values
select grp, group_concat(a separator "")+0 from t1 group by grp;
select grp, group_concat(a separator "")+0.0 from t1 group by grp;
select grp, ROUND(group_concat(a separator "")) from t1 group by grp;
# Test NULL values
drop table if exists t1;
create table t1 (grp int, c char(10));
insert into t1 values (1,NULL);
insert into t1 values (2,"b");
insert into t1 values (2,NULL);
insert into t1 values (3,"E");
insert into t1 values (3,NULL);
insert into t1 values (3,"D");
insert into t1 values (3,NULL);
insert into t1 values (3,NULL);
insert into t1 values (3,"D");
select grp,group_concat(c order by c) from t1 group by grp;
# Test warnings
set group_concat_max_len = 5;
select grp,group_concat(c) from t1 group by grp;
show warnings;
# Test errors
--error 1111
select group_concat(sum(a)) from t1 group by grp;
--error 1054
select grp,group_concat(c order by 2) from t1 group by grp;
drop table if exists t1;
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