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Cleanup of Item_func_group_concat

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mysql-test/r/func_gconcat.result:
  Test result fixed.
sql/item_sum.cc:
  Cleanup of Item_func_group_concat:
  - last unobvious things commented
  - don't store NULLs in the tree.
  - remove unneeded variables.
  - use setup_order, not setup_group to setup group concat order list
sql/item_sum.h:
  Cleanup for Item_func_group_concat: remove unneded variables, methods,
  move a bunch of variables to private: section.
This commit is contained in:
unknown
2005-03-18 00:41:03 +03:00
parent d1deb65996
commit 6fc7c0742e
3 changed files with 173 additions and 212 deletions
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mysql-test/r/func_gconcat.result
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@ -166,7 +166,7 @@ set group_concat_max_len = 1024;
select group_concat(sum(a)) from t1 group by grp;
ERROR HY000: Invalid use of group function
select grp,group_concat(c order by 2) from t1 group by grp;
ERROR 42S22: Unknown column '2' in 'group statement'
ERROR 42S22: Unknown column '2' in 'order clause'
drop table t1;
create table t1 ( URL_ID int(11), URL varchar(80));
create table t2 ( REQ_ID int(11), URL_ID int(11));