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Merge rurik.mysql.com:/home/igor/mysql-5.0
into rurik.mysql.com:/home/igor/dev/mysql-5.0-2 mysql-test/r/func_gconcat.result: Auto merged mysql-test/t/func_gconcat.test: Auto merged sql/item.cc: Auto merged sql/item.h: Auto merged sql/item_cmpfunc.cc: Auto merged sql/item_func.cc: Auto merged sql/item_strfunc.cc: Auto merged sql/item_subselect.cc: Auto merged sql/item_sum.cc: Auto merged sql/sql_base.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_lex.cc: Auto merged sql/sql_lex.h: Auto merged sql/sql_parse.cc: Auto merged sql/sql_prepare.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_yacc.yy: Auto merged
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@@ -390,3 +390,19 @@ 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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#
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# Bug#8568 "GROUP_CONCAT returns string, unless in a UNION in which case
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# returns BLOB": add a test case, the bug can not be repeated any more.
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#
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set names latin1;
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create table t1 (a char, b char);
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insert into t1 values ('a', 'a'), ('a', 'b'), ('b', 'a'), ('b', 'b');
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create table t2 select group_concat(b) as a from t1 where a = 'a';
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create table t3 (select group_concat(a) as a from t1 where a = 'a') union
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(select group_concat(b) as a from t1 where a = 'b');
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select charset(a) from t2;
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select charset(a) from t3;
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drop table t1, t2, t3;
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set names default;
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