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386 lines
14 KiB
Plaintext
386 lines
14 KiB
Plaintext
#
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# simple test of group_concat function
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#
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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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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explain extended 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-ascii(c)-a) from t1 group by grp;
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select grp,group_concat(a order by d+c-ascii(c),a) 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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explain extended 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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explain extended 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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drop table t1;
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# Test NULL values
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create table t1 (grp int, c char(10));
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insert into t1 values (1,NULL),(2,"b"),(2,NULL),(3,"E"),(3,NULL),(3,"D"),(3,NULL),(3,NULL),(3,"D"),(4,""),(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 = 4;
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select grp,group_concat(c) from t1 group by grp;
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show warnings;
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set group_concat_max_len = 1024;
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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 t1;
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# Test variable length
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create table t1 ( URL_ID int(11), URL varchar(80));
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create table t2 ( REQ_ID int(11), URL_ID int(11));
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insert into t1 values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com');
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insert into t2 values (1,4), (5,4), (5,5);
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# Make this order independent
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--replace_result www.help.com X www.host.com X www.google.com X
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select REQ_ID, Group_Concat(URL) as URL from t1, t2 where
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t2.URL_ID = t1.URL_ID group by REQ_ID;
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# check min/max function
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--replace_result www.help.com X www.host.com X www.google.com X
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select REQ_ID, Group_Concat(URL) as URL, Min(t1.URL_ID) urll,
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Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
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drop table t1;
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drop table t2;
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create table t1 (id int, name varchar(16));
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insert into t1 values (1,'longername'),(1,'evenlongername');
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select ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'without distinct: how it should be' from t1;
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select distinct ifnull(group_concat(concat(t1.id, ':', t1.name)), 'shortname') as 'with distinct: cutoff at length of shortname' from t1;
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drop table t1;
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# check zero rows
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create table t1(id int);
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create table t2(id int);
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insert into t1 values(0),(1);
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select group_concat(t1.id) FROM t1,t2;
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drop table t1;
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drop table t2;
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# check having
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create table t1 (bar varchar(32));
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insert into t1 values('test1'),('test2');
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select group_concat(bar order by concat(bar,bar)) from t1;
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select group_concat(bar order by concat(bar,bar) desc) from t1;
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select bar from t1 having group_concat(bar)='';
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select bar from t1 having instr(group_concat(bar), "test") > 0;
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select bar from t1 having instr(group_concat(bar order by concat(bar,bar) desc), "test2,test1") > 0;
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drop table t1;
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# ORDER BY fix_fields()
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create table t1 (a int, a1 varchar(10));
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create table t2 (a0 int);
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insert into t1 values (0,"a"),(0,"b"),(1,"c");
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insert into t2 values (1),(2),(3);
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select group_concat(a1 order by (t1.a IN (select a0 from t2))) from t1;
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select group_concat(a1 order by (t1.a)) from t1;
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drop table t1, t2;
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#
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# Problem with GROUP BY (Bug #2695)
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#
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CREATE TABLE t1 (id1 tinyint(4) NOT NULL, id2 tinyint(4) NOT NULL);
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INSERT INTO t1 VALUES (1, 1),(1, 2),(1, 3),(1, 4),(1, 5),(2, 1),(2, 2),(2, 3);
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CREATE TABLE t2 (id1 tinyint(4) NOT NULL);
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INSERT INTO t2 VALUES (1),(2),(3),(4),(5);
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SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 AND t1.id1=1 GROUP BY t1.id1;
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SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1;
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SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY t1.id2 DESC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1;
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SELECT t1.id1, GROUP_CONCAT(t1.id2 ORDER BY 6-t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1;
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# The following failed when it was run twice:
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SELECT t1.id1, GROUP_CONCAT(t1.id2,6-t1.id2 ORDER BY 6-t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1;
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SELECT t1.id1, GROUP_CONCAT(t1.id2,6-t1.id2 ORDER BY 6-t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1;
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SELECT t1.id1, GROUP_CONCAT(t1.id2,"/",6-t1.id2 ORDER BY 1+0,6-t1.id2,t1.id2 ASC) AS concat_id FROM t1, t2 WHERE t1.id1 = t2.id1 GROUP BY t1.id1;
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drop table t1,t2;
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#
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# Problem with distinct (Bug #3381)
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#
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create table t1 (s1 char(10), s2 int not null);
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insert into t1 values ('a',2),('b',2),('c',1),('a',3),('b',4),('c',4);
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select distinct s1 from t1 order by s2,s1;
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select group_concat(distinct s1) from t1;
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select group_concat(distinct s1 order by s2) from t1 where s2 < 4;
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# The following is wrong and needs to be fixed ASAP
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select group_concat(distinct s1 order by s2) from t1;
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drop table t1;
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#
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# Test with subqueries (Bug #3319)
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#
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create table t1 (a int, c int);
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insert into t1 values (1, 2), (2, 3), (2, 4), (3, 5);
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create table t2 (a int, c int);
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insert into t2 values (1, 5), (2, 4), (3, 3), (3,3);
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select group_concat(c) from t1;
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select group_concat(c order by (select c from t2 where t2.a=t1.a limit 1)) as grp from t1;
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select group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a)) as grp from t1;
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select group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a) desc) as grp from t1;
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select t1.a, group_concat(c order by (select c from t2 where t2.a=t1.a limit 1)) as grp from t1 group by 1;
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select t1.a, group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a)) as grp from t1 group by 1;
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select t1.a, group_concat(c order by (select mid(group_concat(c order by a),1,5) from t2 where t2.a=t1.a) desc) as grp from t1 group by 1;
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# The following returns random results as we are sorting on blob addresses
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# select group_concat(c order by (select group_concat(c order by a) from t2 where t2.a=t1.a)) as grp from t1;
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# select group_concat(c order by (select group_concat(c) from t2 where a=t1.a)) as grp from t1;
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select a,c,(select group_concat(c order by a) from t2 where a=t1.a) as grp from t1 order by grp;
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drop table t1,t2;
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#
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# group_concat of expression with GROUP BY and external GROUP BY
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#
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CREATE TABLE t1 ( a int );
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CREATE TABLE t2 ( a int );
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INSERT INTO t1 VALUES (1), (2);
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INSERT INTO t2 VALUES (1), (2);
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SELECT GROUP_CONCAT(t1.a*t2.a ORDER BY t2.a) FROM t1, t2 GROUP BY t1.a;
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DROP TABLE t1, t2;
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#
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# Bug #4035: group_concat() and HAVING
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#
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CREATE TABLE t1 (a char(4));
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INSERT INTO t1 VALUES ('John'), ('Anna'), ('Bill');
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SELECT GROUP_CONCAT(a SEPARATOR '||') AS names FROM t1
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HAVING names LIKE '%An%';
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SELECT GROUP_CONCAT(a SEPARATOR '###') AS names FROM t1
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HAVING LEFT(names, 1) ='J';
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DROP TABLE t1;
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#
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# check blobs
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#
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CREATE TABLE t1 ( a int, b TEXT );
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INSERT INTO t1 VALUES (1,'First Row'), (2,'Second Row');
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SELECT GROUP_CONCAT(b ORDER BY b) FROM t1 GROUP BY a;
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DROP TABLE t1;
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#
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# check null values #2
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#
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CREATE TABLE t1 (A_ID INT NOT NULL,A_DESC CHAR(3) NOT NULL,PRIMARY KEY (A_ID));
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INSERT INTO t1 VALUES (1,'ABC'), (2,'EFG'), (3,'HIJ');
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CREATE TABLE t2 (A_ID INT NOT NULL,B_DESC CHAR(3) NOT NULL,PRIMARY KEY (A_ID,B_DESC));
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INSERT INTO t2 VALUES (1,'A'),(1,'B'),(3,'F');
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SELECT t1.A_ID, GROUP_CONCAT(t2.B_DESC) AS B_DESC FROM t1 LEFT JOIN t2 ON t1.A_ID=t2.A_ID GROUP BY t1.A_ID ORDER BY t1.A_DESC;
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DROP TABLE t1;
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DROP TABLE t2;
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#
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# blobs
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#
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create table t1 (a int, b text);
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insert into t1 values (1, 'bb'), (1, 'ccc'), (1, 'a'), (1, 'bb'), (1, 'ccc');
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insert into t1 values (2, 'BB'), (2, 'CCC'), (2, 'A'), (2, 'BB'), (2, 'CCC');
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select group_concat(b) from t1 group by a;
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select group_concat(distinct b) from t1 group by a;
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select group_concat(b order by b) from t1 group by a;
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select group_concat(distinct b order by b) from t1 group by a;
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set local group_concat_max_len=4;
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select group_concat(b) from t1 group by a;
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select group_concat(distinct b) from t1 group by a;
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select group_concat(b order by b) from t1 group by a;
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select group_concat(distinct b order by b) from t1 group by a;
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#
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# long blobs
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#
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insert into t1 values (1, concat(repeat('1', 300), '2')),
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(1, concat(repeat('1', 300), '2')), (1, concat(repeat('0', 300), '1')),
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(2, concat(repeat('1', 300), '2')), (2, concat(repeat('1', 300), '2')),
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(2, concat(repeat('0', 300), '1'));
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set local group_concat_max_len=1024;
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select group_concat(b) from t1 group by a;
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select group_concat(distinct b) from t1 group by a;
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select group_concat(b order by b) from t1 group by a;
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select group_concat(distinct b order by b) from t1 group by a;
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set local group_concat_max_len=400;
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select group_concat(b) from t1 group by a;
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select group_concat(distinct b) from t1 group by a;
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select group_concat(b order by b) from t1 group by a;
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select group_concat(distinct b order by b) from t1 group by a;
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drop table t1;
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#
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# Bug#10201
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#
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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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select collation(group_concat(a)) from t1;
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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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select collation(group_concat(a,_koi8r'test')) from t1;
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--error 1267
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select collation(group_concat(a,_koi8r 0xC1C2)) from t1;
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--error 1267
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select collation(group_concat(a,b)) from t1;
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drop table t1;
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drop table t2;
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#
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# Bug #12829
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# Cannot convert the charset of a GROUP_CONCAT result
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#
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CREATE TABLE t1 (a CHAR(10) CHARACTER SET cp850);
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INSERT INTO t1 VALUES ('<27>');
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SELECT a FROM t1;
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SELECT GROUP_CONCAT(a) FROM t1;
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DROP TABLE t1;
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#
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# bug #7769: group_concat returning null is checked in having
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#
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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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DROP TABLE t1;
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#
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# Bug #8656: Crash with group_concat on alias in outer table
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#
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create table t2 (a int, b int);
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insert into t2 values (1,1), (2,2);
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select b x, (select group_concat(x) from t2) from t2;
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drop table t2;
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#
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# Bug #7405: problems with rollup
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#
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create table t1 (d int not null auto_increment,primary key(d), a int, b int, c int);
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insert into t1(a,b) values (1,3), (1,4), (1,2), (2,7), (1,1), (1,2), (2,3), (2,3);
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select d,a,b from t1 order by a;
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explain select a, group_concat(b) from t1 group by a with rollup;
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select a, group_concat(b) from t1 group by a with rollup;
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select a, group_concat(distinct b) from t1 group by a with rollup;
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select a, group_concat(b order by b) from t1 group by a with rollup;
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select a, group_concat(distinct b order by b) from t1 group by a with rollup;
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drop table t1;
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#
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# Bug #12095: GROUP_CONCAT for one row table
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#
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CREATE TABLE t1 (
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aID smallint(5) unsigned NOT NULL auto_increment,
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sometitle varchar(255) NOT NULL default '',
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bID smallint(5) unsigned NOT NULL,
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PRIMARY KEY (aID),
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UNIQUE KEY sometitle (sometitle)
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);
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INSERT INTO t1 SET sometitle = 'title1', bID = 1;
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INSERT INTO t1 SET sometitle = 'title2', bID = 1;
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CREATE TABLE t2 (
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bID smallint(5) unsigned NOT NULL auto_increment,
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somename varchar(255) NOT NULL default '',
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PRIMARY KEY (bID),
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UNIQUE KEY somename (somename)
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);
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INSERT INTO t2 SET somename = 'test';
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SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |')
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FROM t1 JOIN t2 ON t1.bID = t2.bID;
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INSERT INTO t2 SET somename = 'test2';
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SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |')
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FROM t1 JOIN t2 ON t1.bID = t2.bID;
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DELETE FROM t2 WHERE somename = 'test2';
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SELECT COUNT(*), GROUP_CONCAT(DISTINCT t2.somename SEPARATOR ' |')
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FROM t1 JOIN t2 ON t1.bID = t2.bID;
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DROP TABLE t1,t2;
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#
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# Bug #12861 hang with group_concat insubquery FROM DUAL
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#
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select * from (select group_concat('c') from DUAL) t;
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#
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# Bug #12859 group_concat in subquery cause incorrect not null
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#
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create table t1 ( a int not null default 0);
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select * from (select group_concat(a) from t1) t2;
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select group_concat('x') UNION ALL select 1;
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drop table t1;
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#
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# Bug #12863 : missing separators after first empty cancatanated elements
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#
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CREATE TABLE t1 (id int, a varchar(9));
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INSERT INTO t1 VALUES
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(2, ''), (1, ''), (2, 'x'), (1, 'y'), (3, 'z'), (3, '');
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SELECT GROUP_CONCAT(a) FROM t1;
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SELECT GROUP_CONCAT(a ORDER BY a) FROM t1;
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SELECT GROUP_CONCAT(a) FROM t1 GROUP BY id;
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SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY id;
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DROP TABLE t1;
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# End of 4.1 tests
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