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  1. 27 Sep, 2006 2 commits
  2. 14 Aug, 2006 1 commit
  3. 21 Jul, 2006 1 commit
  4. 31 Oct, 2005 1 commit
  5. 09 Sep, 2005 2 commits
  6. 08 Sep, 2005 1 commit
  7. 07 Aug, 2005 1 commit
  8. 04 Aug, 2005 1 commit
    • evgen@moonbone.local's avatar
      Fix bug#12266 GROUP BY DATE(LEFT(column,8)) returns result strings with reduced · 697836c7
      evgen@moonbone.local authored
      length.
      
      When temporary field created for DATE(LEFT(column,8)) expression, max_length
      value is taken from Item_date_typecast, and it is getting it from underlaid
      Item_func_left and it's max_length is 8 in given expression. And all this
      results in stripping last 2 digits.
      
      To Item_date_typecast class added its own fix_length_and_dec() function 
      that sets max_length value to 10, which is proper for DATE field.
      697836c7
  9. 28 Jul, 2005 1 commit
  10. 04 Jul, 2005 3 commits
  11. 28 Jun, 2005 1 commit
    • igor@rurik.mysql.com's avatar
      group_by.result, group_by.test: · be1478f6
      igor@rurik.mysql.com authored
        Added a test case for bug #11414.
      sql_select.cc:
        Fixed bug #11414: crash on Windows with some simple
        GROUP BY queries.
        It happened to an allocation of an array containing
        0 Copy_field elements in setup_copy_fields.
        The bug had been already fixed in 5.0.
      be1478f6
  12. 21 Jun, 2005 2 commits
  13. 20 Jun, 2005 2 commits
  14. 16 Jun, 2005 3 commits
  15. 15 Jun, 2005 1 commit
    • timour@mysql.com's avatar
      Fix for BUG#11211 "GROUP BY doesn't work correctly" · 3220f721
      timour@mysql.com authored
        
      When the GROUP BY clause contains a column reference that can be resolved to
      both an aliased column in the SELECT list, and to a column in the FROM clause,
      the group column is resolved to the column in the FROM clause (for ANSI conformance).
      However, it may be so that the user's intent is just the other way around, and he/she
      gets the query results grouped by a completely different column than expexted.
      This patch adds a warning in such cases that tells the user that there is potential
      ambiguity in the group column.
      
      sql/sql_select.cc
      - Added a warning when a GROUP column is ambiguous due to that there is a
        column reference with the same name both in the SELECT and FROM clauses.
        In this case we resolve to the column in FROM clause and warn the user
        of a possible ambiguity.
      - More extensive comments.
      - Changed the function to return bool instead of int (as in other places).
      
      mysql-test/t/group_by.test
        Added test for BUG#11211.
      
      mysql-test/r/group_by.result
        Added test for BUG#11211.
      3220f721
  16. 07 Jun, 2005 1 commit
    • igor@rurik.mysql.com's avatar
      sql_select.cc, item_buff.cc, item.h: · 90dd8690
      igor@rurik.mysql.com authored
        Fixed bug #11088: a crash for queries with GROUP BY a BLOB column
        + COUNT(DISTINCT...) due to an attempt to allocate a too large
        buffer for the BLOB field.
        Now the size of the buffer is limited by max_sort_length.
      group_by.test, group_by.result:
        Added a test case for bug #11088.
      90dd8690
  17. 18 Apr, 2005 1 commit
  18. 31 Mar, 2005 1 commit
  19. 30 Mar, 2005 1 commit
  20. 15 Feb, 2005 1 commit
  21. 08 Feb, 2005 1 commit
  22. 07 Feb, 2005 1 commit
  23. 11 Dec, 2004 1 commit
    • sergefp@mysql.com's avatar
      Fix for BUG#6976: · f78a6059
      sergefp@mysql.com authored
      In Item_ref::Item_ref set maybe_null (and other fields fix_fields sets) to be the 
      same as in (*ref), because Item_ref::fix_fields() will not be called.  Previously 
      maybe_null was 0 always and this produced a bogus state where 
      maybe_null==0 && is_null() == true 
      which broke evaluation for some upper-level Items, like AND and OR.
      f78a6059
  24. 08 Sep, 2004 1 commit
  25. 10 Dec, 2003 1 commit
  26. 09 Dec, 2003 2 commits
  27. 30 Oct, 2003 1 commit
  28. 18 Aug, 2003 1 commit
    • monty@mashka.mysql.fi's avatar
      After merge fixes · 4f751216
      monty@mashka.mysql.fi authored
      Use server character set if --default-character-set is not used
      Added convert_string() for more efficient alloc+character-set convert of strings
      4f751216
  29. 09 Jul, 2003 1 commit
  30. 23 Apr, 2003 2 commits