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6feda00ddb
correct sql_alloc, ORDER BY and NULL value in group_concat add comments move test msg_arg add test on NULL mysql-test/r/func_gconcat.result: change work with NULL mysql-test/t/func_gconcat.test: add test on NULL sql/item_sum.cc: correct sql_alloc, ORDER BY and NULL value add comments sql/sql_class.h: move test msg_arg
80 lines
2.8 KiB
Plaintext
80 lines
2.8 KiB
Plaintext
#
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# simple test of group_concat function
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#
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drop table if exists t1;
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create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null);
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insert into t1 values (1,1,"a","a");
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insert into t1 values (2,2,"b","a");
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insert into t1 values (2,3,"c","b");
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insert into t1 values (3,4,"E","a");
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insert into t1 values (3,5,"C","b");
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insert into t1 values (3,6,"D","b");
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insert into t1 values (3,7,"d","d");
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insert into t1 values (3,8,"d","d");
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insert into t1 values (3,9,"D","c");
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# Test of MySQL simple request
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select grp,group_concat(c) from t1 group by grp;
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select grp,group_concat(a,c) from t1 group by grp;
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select grp,group_concat("(",a,":",c,")") from t1 group by grp;
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# Test of MySQL with options
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select grp,group_concat(c separator ",") from t1 group by grp;
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select grp,group_concat(c separator "---->") from t1 group by grp;
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select grp,group_concat(c order by c) from t1 group by grp;
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select grp,group_concat(c order by c desc) from t1 group by grp;
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select grp,group_concat(d order by a) from t1 group by grp;
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select grp,group_concat(d order by a desc) from t1 group by grp;
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select grp,group_concat(a order by a,d+c) from t1 group by grp;
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select grp,group_concat(c order by 1) from t1 group by grp;
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select grp,group_concat(c order by "c") from t1 group by grp;
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select grp,group_concat(distinct c order by c) from t1 group by grp;
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select grp,group_concat(distinct c order by c desc) from t1 group by grp;
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select grp,group_concat(c order by c separator ",") from t1 group by grp;
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select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
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select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
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select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
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# Test of SQL_LIST objects
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select grp,group_concat(c order by grp desc) from t1 group by grp order by grp;
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# Test transfer to real values
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select grp, group_concat(a separator "")+0 from t1 group by grp;
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select grp, group_concat(a separator "")+0.0 from t1 group by grp;
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select grp, ROUND(group_concat(a separator "")) from t1 group by grp;
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# Test NULL values
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drop table t1;
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create table t1 (grp int, c char(10));
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insert into t1 values (1,NULL);
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insert into t1 values (2,"b");
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insert into t1 values (2,NULL);
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insert into t1 values (3,"E");
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insert into t1 values (3,NULL);
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insert into t1 values (3,"D");
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insert into t1 values (3,NULL);
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insert into t1 values (3,NULL);
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insert into t1 values (3,"D");
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insert into t1 values (4,"");
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insert into t1 values (5,NULL);
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select grp,group_concat(c order by c) from t1 group by grp;
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# Test warnings
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set group_concat_max_len = 5;
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select grp,group_concat(c) from t1 group by grp;
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show warnings;
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# Test errors
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--error 1111
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select group_concat(sum(a)) from t1 group by grp;
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--error 1054
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select grp,group_concat(c order by 2) from t1 group by grp;
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drop table if exists t1;
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