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Fixed bug in UNION when doing UNION with the same tables

Browse source 
myisam/mi_extra.c:
  More debugging information
mysql-test/r/union.result:
  Added test for UNION bug
mysql-test/t/union.test:
  Added test for UNION bug
sql/sql_base.cc:
  Clear field->query_id when using UNION
sql/sql_parse.cc:
  Fix for UNION bug
sql/sql_union.cc:
  Cleanup
sql/table.h:
  Fix for UNION bug
tools/Makefile.am:
  Fix for compiling with MIT-threads
This commit is contained in:
unknown 2001-09-17 22:44:51 +03:00
commit 05821367d4
8 changed files with 23 additions and 8 deletions
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4
sql/sql_parse.cc
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@ -2921,8 +2921,10 @@ static bool create_total_list(THD *thd, LEX *lex, TABLE_LIST **result)
}
*new_table_list= cursor;
new_table_list= &cursor->next;
*new_table_list=0; // end result list
*new_table_list=0; // end result list
}
else
aux->shared=1; // Mark that it's used twice
aux->table=(TABLE *) cursor;
}
}