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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
parent 28097f40d3
commit 05821367d4
8 changed files with 23 additions and 8 deletions
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2
sql/sql_union.cc
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@@ -37,7 +37,7 @@ int mysql_union(THD *thd, LEX *lex,select_result *result)
int res;
DBUG_ENTER("mysql_union");
/* Fix tables--to-be-unioned-from list to point at opened tables */
/* Fix tables 'to-be-unioned-from' list to point at opened tables */
for (sl=&lex->select_lex; sl; sl=sl->next)
{
for (TABLE_LIST *cursor= (TABLE_LIST *)sl->table_list.first;